Progressive movement-related valgus knee impairments: clinical examination, classification, and treatment

REFERENCES

• *The most significant references are marked with an asterisk.
   Google Scholar
• Andriacchi TP, Mundermann A. The role of ambulatory mechanics in the initiation and progression of knee osteoarthritis. Curr Opin Rheumatol2006;18:514–8
   PubMed Web of Science ®Google Scholar
• Nyland J, Smith S, Beickman K, Armsey T, Caborn DN. Frontal plane knee angle affects dynamic postural control strategy during unilateral stance. Med Sci Sports Exerc 2002;34:1150–7
   PubMed Web of Science ®Google Scholar
• Nyland JA, Caborn DN. Physiological coxa varus-genu valgus influences internal knee and ankle joint moments in females during crossover cutting. Knee Surg Sports Traumatol Arthrosc 2004;12:285–93
   PubMed Web of Science ®Google Scholar
• McLean SG, Walker KB, van den Bogert AJ. Effect of gender on lower extremity kinematics during rapid direction changes. J Sci Med Sport 2005;8:411–22
   PubMed Web of Science ®Google Scholar
• McLean SG, Huang X, van den Bogert AJ. Association between lower extremity posture at contact and peak knee valgus moment during sidestepping: implications for ACL injury. Clin Biomech 2005;20:863–70
   PubMed Web of Science ®Google Scholar
• Russell KA, Palmieri RM, Zinder SM, Ingersoll CD. Sex differences in valgus knee angle during a single-leg drop jump. J Athl Train 2006;41:166–71
   PubMed Web of Science ®Google Scholar
• Ford KR, Myer GD, Smith RL, Vianello RM, Seiwert SL, Hewett TE. A comparison of dynamic coronal plane excursion between matched male and female athletes when performing single leg landings. Clin Biomech 2006;21:33–40
   PubMed Web of Science ®Google Scholar
• Felson DT, Zhang Y. An update on the epidemiology of knee and hip osteoarthritis with a view to prevention. Arthritis Rheum 1998;41:1343–55
   PubMed Web of Science ®Google Scholar
• Cicuttini F, Wluka A, Hankin J, Wang Y. Longitudinal study of the relationship between knee angle and tibiofemoral cartilage volume in subjects with knee osteoarthritis. Rheumatology 2004;43:321–4
   PubMed Web of Science ®Google Scholar
• Creamer P, Hochberg MC. Osteoarthritis. Lancet 1997;350:503–8
   PubMed Web of Science ®Google Scholar
• Felson DT, Goggins J, Niu J, Zhang Y, Hunter DJ. The effect of body weight on progression of knee osteoarthritis is dependent on alignment. Arthritis Rheum 2004;50:3904–9
   PubMed Web of Science ®Google Scholar
• Sharma L, Song J, Felton DT, Cahue S, Shamiyeh E, Dunlop DD. The role of knee alignment in disease progression and functional decline in knee osteoarthritis. JAMA 2001;286:188–95
   PubMed Web of Science ®Google Scholar
• Schouten JS, van den Ouweland FA, Valkenburg HA. A 12 year follow up study in the general population on prognostic factors of cartilage loss in osteoarthritis of the knee. Ann Rheum Dis 1992;51:932–7
   PubMed Web of Science ®Google Scholar
• Teichtahl AJ, Cicuttini FM, Janakiramanan N, Davis SR, Wluka AE. Static knee alignment and its association with radiographic knee osteoarthritis. Osteoarthritis Cartilage 2006;14:958–62
   PubMed Web of Science ®Google Scholar
• Kraus VB, Vail V, Worrell T, McDaniel G. A comparative assessment of alignment angle of the knee by radiographic and physical examination methods. Arthritis Rheum 2005;52:1730–5
   PubMed Web of Science ®Google Scholar
• Riegger-Krugh C, Keysor JJ. Skeletal malalignments of the lower quarter: correlated and compensatory motions and postures. J Orthop Sports Phys Ther 1996;23:164–70
   PubMed Web of Science ®Google Scholar
• Loudon JK, Jenkins W, Loudon KL. The relationship between static posture and ACL injury in female athletes. J Orthop Sports Phys Ther 1996;24:91–7
   PubMed Web of Science ®Google Scholar
• Rowe A, Wright S, Nyland J, Caborn DN, Kling R. Effects of 2-hour cheerleading practice on dynamic postural stability, knee laxity, and hamstring extensibility. J Orthop Sports Phys Ther 1999;29:455–62
   PubMed Web of Science ®Google Scholar
• Iwaki H, Pinskerova V, Freeman AR. Tibiofemoral movement 1: the shapes and relative movements of the femur and tibia in the unloaded cadaver knee. J Bone Joint Surg Br 2000;82:1189–95
   PubMed Web of Science ®Google Scholar
• Giffin JR, Vogrin TM, Zantop T, Woo SLY, Harner CD. Effects of increasing the tibial slope on the biomechanics of the knee. Am J Sports Med 2004;32:376–82
   PubMed Web of Science ®Google Scholar
• Loudon JK, Goist HL, Loudon KL. Genu recurvatum syndrome. J Orthop Sports Phys Ther 1998;27:361–7
   PubMed Web of Science ®Google Scholar
• Fukuda Y, Woo SL, Loh JC, Tsuda E, Tang P, McMahon PJ, et al. A quantitative analysis of valgus torque on the ACL: a human cadaveric study. J Orthop Res 2003;21:1107–12
   PubMed Web of Science ®Google Scholar
• Chaudhari AM, Andriacchi TP. The mechanical consequences of dynamic frontal plane limb alignment for non-contact ACL injury. J Biomech 2006;39:330–8
   PubMed Web of Science ®Google Scholar
• Alford JW, Lewis P, Kang RW, Cole BJ. Rapid progression of chondral disease in the lateral compartment of the knee following meniscectomy. Arthroscopy 2005;21:1505–9
   PubMed Web of Science ®Google Scholar
• Englund M, Lohmander LS. Risk factors for symptomatic knee osteoarthritis fifteen to twenty-two years after meniscectomy. Arthritis Rheum 2004;50:2811–9
   PubMed Web of Science ®Google Scholar
• Maletius W, Messner K. The effect of partial meniscectomy on the long-term prognosis of knees with localized, severe chondral damage: a twelve- to fifteen-year followup. Am J Sports Med 1996;24:258–62
   PubMed Web of Science ®Google Scholar
• Chatain F, Adeleine P, Chambat P, Neyret P. A comparative study of medial versus lateral arthroscopic partial meniscectomy on stable knees: 10-year minimum follow-up. Arthroscopy 2003;19:842–9
   PubMed Web of Science ®Google Scholar
• Benedetto KP, Rangger C. Arthroscopic partial meniscectomy: 5-year follow-up. Knee Surg Sports Traumatol Arthrosc 1993;1:235–8
   PubMedGoogle Scholar
• Fine KM, Glasgow SG, Torg JS. Tibial chondral fissures associated with the lateral meniscus. Arthroscopy 1995;11: 292–5
   PubMedGoogle Scholar
• Jerosch J, Hoffstetter I, Reer R, Assheuer J. Strain-related long-term changes in the menisci in asymptomatic athletes. Knee Surg Sports Traumatol Arthrosc 1994;2:8–13
   PubMedGoogle Scholar
• Murray PB, Rand JA. Symptomatic valgus knee: the surgical options. J Am Acad Orthop Surg 1993;1:1–9
   PubMedGoogle Scholar
• Chambat P, Ait Si Selmi T, Dejour D, Denoyers D. Varus tibial osteotomy. Op Tech Sports Med 2000;8:44–7
   Google Scholar
• Favorito PJ, Mihalko WM, Krackow KA. Total knee arthroplasty in the valgus knee. J Am Acad Orthop Surg 2002;10:16–24
   PubMedGoogle Scholar
• Whiteside LA. Selective ligament release in total knee arthroplasty of the knee in valgus. Clin Orthop 1999;367:130–40
   PubMed Web of Science ®Google Scholar
• Krackow KA, Jones MM, Teeny SM, Hungerford DS. Primary total knee arthroplasty in patients with fixed valgus deformity. Clin Orthop 1991;273:9–18
   PubMed Web of Science ®Google Scholar
• Noyes FR, Barber-Westin SD, Simon R. The role of high tibial osteotomy in the anterior cruciate ligament-deficient knee with varus alignment. In: DeLee JC, Drez D. (eds) Orthopedic Sports Medicine, 2nd edn. Philadelphia, PA: Saunders, 2003; 1900–36
   Google Scholar
• Noyes FR, Barber-Westin SD, Roberts CS. High tibial osteotomy in knees with associated chronic ligament deficiencies. In: Jackson DW. (ed) Master Techniques in Orthopedic Surgery: Reconstructive Knee Surgery, 2nd edn. Philadelphia, PA: Lippincott Williams & Wilkins, 2003; 229–60
   Google Scholar
• Noyes FR, Munns SW, Andriacchi TP, Mayhall MT. The double varus and triple varus anterior cruciate insufficient knee: gait analysis and surgical correction. Trans Am Orthop Soc Sports Med 1985;11: 41
   Google Scholar
• Wojtys EM, Ashton-Miller JA, Huston LJ. A gender-related difference in the contribution of the knee musculature to sagittal-plane shear stiffness in subjects with similar knee laxity. J Bone Joint Surg Am 2002;84:10–6
   PubMed Web of Science ®Google Scholar
• Wojtys EM, Huston LJ, Schock HJ, Boylan JP, Ashton-Miller JA. Gender differences in muscular protection of the knee in torsion in size-matched athletes. J Bone Joint Surg Am 2003;85:782–89
   PubMed Web of Science ®Google Scholar
• Granata KP, Padua DA, Wilson SE. Gender differences in active musculoskeletal stiffness. Part II. Quantification of leg stiffness during functional hopping tasks. J Electromyogr Kinesiol 2002;12:127–35
   PubMed Web of Science ®Google Scholar
• Granata KP, Wilson SE, Padua DA. Gender differences in active musculoskeletal stiffness. Part I. Quantification in controlled measurements of knee joint dynamics. J Electromyogr Kinesiol 2002;12:119–26
   PubMed Web of Science ®Google Scholar
• Padua DA, Carcia CR, Arnold BL, Granata KP. Gender differences in leg stiffness and stiffness recruitment strategy during two-legged hopping. J Motor Behav 2005;37:111–25
   PubMed Web of Science ®Google Scholar
• Hsu WH, Fisk JA, Yamamoto Y, Debski RE, Woo SLY. Differences in torsional joint stiffness of the knee between genders; a human cadaveric study. Am J Sports Med 2006;34:765–70
   PubMed Web of Science ®Google Scholar
• Arendt E, Dick R. Knee injury patterns among men and women in collegiate basketball and soccer: NCAA data and review of literature. Am J Sports Med 1995;23:694–701
   PubMed Web of Science ®Google Scholar
• Peters CL, Mohr RA, Bachus KN. Primary total knee arthroplasty in the valgus knee: creating a balanced soft tissue envelope. J Arthroplasty 2001;16:721–9
   PubMed Web of Science ®Google Scholar
• Fairbanks TJ. Knee joint changes after meniscectomy. J Bone Joint Surg Br 1948;30:664–700
   Google Scholar
• Ota S, Ward SR, Chen YJ, Tsai YJ, Powers CM. Concurrent criterion-related validity and reliability of a clinical device used to assess lateral patellar displacements. J Orthop Sports Phys Ther 2006;36:645–52
   PubMed Web of Science ®Google Scholar
• Hewett TE, Myer GD, Ford KR, Heidt Jr RS, Colosimo AJ, McLean SG, et al. Biomechanical measures of neuromuscular control and valgus loading of the knee predict anterior cruciate ligament injury risk in female athletes: a prospective study. Am J Sports Med 2005;33:492–501
   PubMed Web of Science ®Google Scholar
• McLean SG, Huang X, Su A, van den Bogert AJ. Sagittal plane biomechanics cannot injure the ACL during sidestep cutting. Clin Biomech 2004;19:828–38
   PubMed Web of Science ®Google Scholar
• Barber-Westin SD, Noyes FR, Galloway M. Jump-land characteristics and muscle strength development in young athletes: a gender comparison of 1140 athletes 9 to 17 years of age. Am J Sports Med 2006;34:375–84
   PubMed Web of Science ®Google Scholar
• Prodromos CC, Andriacchi TP, Galante JO. A relationship between gait and clinical changes following high tibial osteotomy. J Bone Joint Surg Am 1985;67:1188–94
   PubMed Web of Science ®Google Scholar
• Wang JW, Kuo KN, Andriacchi TP, Galante JO. The influence of walking mechanics and time on the results of proximal tibial osteotomy. J Bone Joint Surg Am 1990;72:905–9
   PubMed Web of Science ®Google Scholar
• Woo SLY, Debski RE, Withrow JE, Janaushek MA. Biomechanics of knee ligaments. Am J Sports Med 1999;27:533–43
   PubMed Web of Science ®Google Scholar
• Grood ES, Noyes FR, Butler DL, Suntay WJ. Ligamentous and capsular restraints preventing straight medial and lateral laxity in intact human cadaver knees. J Bone Joint Surg Am 1981;63:1257–69
   PubMed Web of Science ®Google Scholar
• Lombardi Jr AV, Dodds KL, Berend KR, Mallory TH, Adams JB. An algorithmic approach to total knee arthroplasty in the valgus knee. J Bone Joint Surg Am 2004;86 (Suppl. 2):63–71
   Google Scholar
• Arnoczky SP. Anatomy of the anterior cruciate ligament. Clin Orthop 1983;172:19–25
   PubMed Web of Science ®Google Scholar
• Amis AA, Bull AMJ, Gupte CM, Hijazi I, Race A, Robinson JR. Biomechanics of the PCL and related structures: posterolateral, posteromedial and meniscofemoral ligaments. Knee Surg Sports Traumatol Arthrosc 2003;11:271–81
   PubMed Web of Science ®Google Scholar
• Harner CD, Janaushek MA, Kanamori A, Yagi M, Vogrin TM, Woo SL-Y. Biomechanical analysis of a double bundle posterior cruciate ligament reconstruction. Am J Sports Med 2000;28:144–51
   PubMed Web of Science ®Google Scholar
• Chaudhari AM, Hearn BK, Andriacchi TP. Sport-dependent variations in arm position during single-limb landing influence knee loading: implications for anterior cruciate ligament injury. Am J Sports Med 2005;33:824–30
   PubMed Web of Science ®Google Scholar
• Li G, Moses JM, Papannagari R, Pathare NP, Defrate LE, Gill TJ. Anterior cruciate ligament deficiency alters the in vivo motion of the tibiofemoral cartilage contact points in both the anteroposterior and mediolateral directions. J Bone Joint Surg Am 2006;88:1826–34
   PubMed Web of Science ®Google Scholar
• Levens AS, Berkeley CE, Inman VT, Blosser JA. Transverse plane rotation of the segments of the lower extremity in locomotion. J Bone Joint Surg Am 1948;30:859–72
   Web of Science ®Google Scholar
• Reischl SF, Powers CM, Rao S, Perry J. Relationship between foot pronation and rotation of the tibia and femur during walking. Foot Ankle Int 1999;20:513–20
   PubMed Web of Science ®Google Scholar
• Nyland J, Lachman N, Kocabey Y, Brosky J, Altun R, Caborn D. Anatomy, function, and rehabilitation of the popliteus musculotendinous complex. J Orthop Sports Phys Ther 2005;35:165–79
   PubMed Web of Science ®Google Scholar
• LaPrade RF, Ly TV, Wentorf FA, Engebretsen L. The posterolateral attachments of the knee: a qualitative and quantitative morphologic analysis of the fibular collateral ligament, popliteus tendon, popliteofibular ligament, and lateral gastrocnemius tendon. Am J Sports Med 2003;31:854–60
   PubMed Web of Science ®Google Scholar
• Arnold JA, Coker TP, Heaton LM, Park JP, Harris WD. Natural history of anterior cruciate tears. Am J Sports Med 1979;7:305–13
   PubMedGoogle Scholar
• Kocher MS, Steadman JR, Briggs K, Zurakowski D, Sterett WI, Hawkins RJ. Determinants of patient satisfaction with outcome after anterior cruciate ligament reconstruction. J Bone Joint Surg Am 2002;84:1560–72
   PubMed Web of Science ®Google Scholar
• Nyland J, Kuzemchek S, Parks M, Caborn DNM. Femoral anteversion influences vastus medialis and gluteus medius amplitude: composite hip abductor EMG amplitude ratios during isometric combined hip abduction-external rotation. J Electromyogr Kinesiol 2004;14:255–61
   PubMed Web of Science ®Google Scholar
• Heiderscheit BC, Hamill J, Van Emmerik REA. Q-angle influences on the variability of lower extremity coordination during running. Med Sci Sports Exerc 1999;31:1313–9
   PubMed Web of Science ®Google Scholar
• Nyland J. Rehabilitation complications following knee surgery. Clin Sports Med 1999;18:905–25
   PubMed Web of Science ®Google Scholar
• Jaramillo J, Worrell TW, Ingersoll CD. Hip isometric strength following knee surgery. J Orthop Sports Phys Ther 1994;20:160–5
   PubMed Web of Science ®Google Scholar
• Tyler TF, Nicholas SJ, Mullaney MJ, McHugh MP. The role of hip muscle function in the treatment of patellofemoral pain syndrome. Am J Sports Med 2006;34:630–6
   PubMed Web of Science ®Google Scholar
• Leetun DT, Ireland ML, Willson JD, Ballantyne BT, Davis IM. Core stability measures as risk factors for lower extremity injury in athletes. Med Sci Sports Exerc 2004;36:926–34
   PubMed Web of Science ®Google Scholar
• Brand J, Nyland JA, Armsey T, Shapiro R. Timed sit-ups predict single leg broad jump distance of average weight adolescent males [Abstract #657]. Med Sci Sports Exerc 1998;30:S116
   Google Scholar
• Hewett TE, Stroupe AL, Nance TA, Noyes FR. Plyometric training in female athletes: decreased impact forces and increased hamstring torques. Am J Sports Med 1996;24:765–73
   PubMed Web of Science ®Google Scholar
• Hewett TE, Lindenfeld TN, Riccobene JV, Noyes FR. The effect of neuromuscular training on the incidence of knee injury in female athletes. Am J Sports Med 1999;27:699–705
   PubMed Web of Science ®Google Scholar
• McLean SG, Lipfert SW, van den Bogert AJ. Effect of gender and defensive opponent on the biomechanics of sidestep cutting. Med Sci Sports Exerc 2004;36:1008–16
   PubMed Web of Science ®Google Scholar
• Marks PH, Goldenberg JA, Vezina WC, Chamberlain MJ, Vellet AD, Fowler PJ. Subchondral bone infractions in acute ligamentous knee injuries demonstrated by bone scintigraphy and magnetic resonance imaging. J Nuclear Med 1992;33:516–20
   PubMed Web of Science ®Google Scholar
• De Paulis F, Grossi A, Cacchio A, Barile A, De Antoni A. The role of MRI in the early diagnosis of unilateral chondral overloading injuries of the athletic knee. Op Tech Sports Med 2000;8:15–8
   Web of Science ®Google Scholar
• Kaplan PA, Walker CW, Kilcoyne RF, Brown DE, Tusek D, Dussault RG. Occult fracture patterns of the knee associated with anterior cruciate ligament tears: Assess MRI Radiol 1992;183:835–8
   Google Scholar
• Hinman RS, May RL, Crossley KM. Is there an alternative to the full-leg radiograph for determining knee joint alignment in osteoarthritis? Arthritis Rheum 2006;55:306–13
   PubMed Web of Science ®Google Scholar
• Shultz SJ, Nguyen A-D, Windley TC, Kulas AS, Botic TL, Beynonn BD. Intratester and intertester reliability of clinical measures of lower extremity anatomic characteristics: implications for multicenter studies. Clin J Sports Med 2006;16:155–61
   PubMed Web of Science ®Google Scholar
• Eastlack ME, Arvidson J, Snyder-Mackler L, Danoff JV, McGarvey CL. Interrater reliability of videotaped observational gait-analysis assessments. Phys Ther 1991;71:465–72
   PubMed Web of Science ®Google Scholar
• Plisky PJ, Rauh MJ, Kaminski TW, Underwood FB. Star excursion balance test as a predictor of lower extremity injury in high school basketball players. J Orthop Sports Phys Ther 2006;36:911–9
   PubMed Web of Science ®Google Scholar
• Onate JA, Guskiewicz KM, Marshall SW, Guiliani C, Yu B, Garrett WE. Instruction of jump-landing technique using videotape feedback: altering lower extremity motion patterns. Am J Sports Med 2005;33:831–42
   PubMed Web of Science ®Google Scholar
• Hewett TE, Myer GD, Ford KR, Slauterbeck JR. Preparticipation physical examination using a box drop vertical jump test in young athletes: the effects of puberty and sex. Clin J Sports Med 2006;16:298–304
   PubMed Web of Science ®Google Scholar
• McLean SG, Walker K, Ford KR, Myer GD, Hewett TE, van den Bogert AJ. Evaluation of a two dimensional analysis method as a screening and evaluation tool for anterior cruciate ligament injury. Br J Sports Med 2005;39:355–62
   PubMed Web of Science ®Google Scholar
• Powers CM, Ward SR, Fredericson M, Guillet M, Shellock FG. Patellofemoral kinematics during weight-bearing and non-weight-bearing knee extension in persons with lateral subluxation of the patella: a preliminary study. J Orthop Sports Phys Ther 2003;33:677–85
   PubMed Web of Science ®Google Scholar
• Dye SF. The knee as a biologic transmission with an envelope of function: a theory. Clin Orthop 1996;323:10–8
   Google Scholar
• Kelly GS. The role of glucosamine sulfate and chondroitin sulfates in the treatment of degenerative joint disease. Alt Med Rev 1998;3:27–9
   PubMedGoogle Scholar
• Goggs R, Vaughan-Thomas A, Clegg PD, Carter SD, Innes JF, Mobasheri A, et al. Nutraceutical therapies for degenerative joint diseases: a critical review. Crit Rev Food Sci Nutr 2005;45:145–64
   PubMed Web of Science ®Google Scholar
• Lippiello L, Woodward J, Karpman R, Hammad TA. In vivo chondroprotection and metabolic synergy of glucosamine and chondroitin sulfate. Clin Orthop 2000;381:229–40
   PubMed Web of Science ®Google Scholar
• Roos EM, Dahlberg L. Positive effects of moderate exercise on glycosaminoglycan content in knee cartilage: a four-month, randomized, controlled trial in patients at risk for osteoarthritis. Arthritis Rheum 2005;52:3507–14
   PubMed Web of Science ®Google Scholar
• Harrison MM, Morrell J, Hopman WM. Influence of obesity on outcome after knee arthroscopy. Arthroscopy 2004;20:691–5
   PubMed Web of Science ®Google Scholar
• Holmberg S, Thelin A, Thelin N. Knee osteoarthritis and body mass index: a population-based case-control study. Scand J Rheumatol 2005;34:59–64
   PubMed Web of Science ®Google Scholar
• Janssen I, Mark AE. Separate and combined influence of body mass index and waist circumference on arthritis and knee osteoarthritis. Int J Obesity 2006;30:1223–8
   Web of Science ®Google Scholar
• Karunakar MA, Shah SN, Jerabeck S. Body mass index as a predictor of complications after operative treatment of acetabular fractures. J Bone Joint Surg Am 2005;87:1498–502
   PubMedGoogle Scholar
• Berend KR, Lombardi Jr AV, Mallory TH, Adams JB, Groseth KL. Early failure of minimally invasive unicompartmental knee arthroplasty is associated with obesity. Clin Orthop 2005;440:60–6
   PubMedGoogle Scholar
• Mora S, Yanek LR, Moy TF, Fallin MD, Becker LC, Becker DM. Interaction of body mass index and Framington risk score in predicting incident of coronary disease in families. Circulation 2005;111:1871–6
   PubMed Web of Science ®Google Scholar
• Janssen I, Katzmarzyk PT, Srinivasan SR, Chen W, Malina RM, Bouchard C, et al. Utility of childhood BMI in the prediction of adulthood disease: comparison of national and international references. Obesity Res 2005;13:1106–15
   PubMedGoogle Scholar
• Field AE, Cook NR, Gillman MW. Weight status in childhood as a predictor of becoming overweight or hypertensive in early adulthood. Obesity Res 2005;13:163–9
   PubMedGoogle Scholar
• Wang Y, Rimm EB, Stampfer MJ, Willett WC, Hu FB. Comparison of abdominal adiposity and overall obesity in predicting risk of type 2 diabetes among men. Am J Clin Nutr 2005;82:1134–5
   PubMedGoogle Scholar
• Paley D. Principles of deformity correction. New York, NY: Springer, 2002; 479–507
   Google Scholar
• Loudon JK, Goist HL, Loudon KL. Genu recurvatum syndrome. J Orthop Sports Phys Ther 1998;27:361–7
   PubMed Web of Science ®Google Scholar
• Markolf KL, Graff-Redford A, Amstutz HC. In vivo stability: a quantitative assessment using an instrumented clinical testing apparatus. J Bone Joint Surg Am 1978;60:664–74
   PubMed Web of Science ®Google Scholar
• Pollard CD, Sigward SM, Ota S, Langford K, Powers CM. The influence of in-season injury prevention training on lower- extremity kinematics during landing in female soccer players. Clin J Sports Med 2006;16:223–7
   PubMed Web of Science ®Google Scholar
• Romani W, Patrie J, Curl LA, Flaws JA. The correlations between estradiol, estrone, estriol, progesterone, and sex hormone-binding globulin and anterior cruciate ligament stiffness in healthy, active females. J Womens Health 2003;12:287–98
   PubMed Web of Science ®Google Scholar
• Wojtys EM, Huston LJ, Boynton MD, Spindler KP, Lindenfeld TN. The effect of the menstrual cycle on anterior cruciate ligament injuries in women is determined by hormone levels. Am J Sports Med 2002;30:182–8
   PubMed Web of Science ®Google Scholar
• Chu D, LeBlanc R, D’Ambrosia P, D’Ambrosia R, Baratta RV, Solomonow M. Neuromuscular disorder in response to anterior cruciate ligament creep. Clin Biomech 2003;18:222–30
   PubMed Web of Science ®Google Scholar
• Aydog ST, Hascelik Z, Demirel HA, Tetik O, Aydog E, Doral MN. The effects of menstrual cycle on the knee joint position sense: preliminary study. Knee Surg Sports Traumatol Arthrosc 2005;13:649–53
   PubMed Web of Science ®Google Scholar
• Crenshaw CJ, Pollo FE, Calton EF. Effects of lateral-wedged insoles on kinetics at the knee. Clin Orthop 2000;375:185–92
   PubMed Web of Science ®Google Scholar
• Ogata K, Yasunaga M, Nomiyama H. The effect of wedged insoles on the thrust of osteoarthritic knees. Int Orthop 1997;21:308–12
   PubMed Web of Science ®Google Scholar
• Miller TW. Therapeutic exercise program design considerations: ‘putting it all together’. In: Nyland J. (ed) Clinical decisions in therapeutic exercise: planning and implementation. Upper Saddle River, NJ: Pearson Prentice Hall, 2006;451–500
   Google Scholar
• Ford KR, Myer GD, Hewett TE. Valgus knee motion during landing in high school female and male basketball players. Med Sci Sports Exerc 2003;35:1745–50
   PubMed Web of Science ®Google Scholar
• Chmielewski TL, Myer GD, Kauffman D, Tillman SM. Plyometric exercise in the rehabilitation of athletes: physiological responses and clinical application. J Orthop Sports Phys Ther 2006;36:308–19
   PubMed Web of Science ®Google Scholar
• Hurd WJ, Chmielewski TL, Snyder-Mackler L. Perturbation- enhanced neuromuscular training alters muscle activity in female athletes. Knee Surg Sports Traumatol Arthrosc 2006;14:60–9
   PubMed Web of Science ®Google Scholar
• Wikstrom EA, Tillman MD, Chmielewski TL, Borsa PA. Measurement and evaluation of dynamic joint stability of the knee and ankle after injury. Sports Med2006;36:393–410
   PubMed Web of Science ®Google Scholar
• Caraffa A, Cerulli G, Projetti M, Aisa G, Rizzo A. Prevention of anterior cruciate ligament injuries in soccer: a prospective controlled study of proprioceptive training. Knee Surg Sports Traumatol Arthrosc 1996;4:19–21
   PubMedGoogle Scholar
• Cowley HR, Foot KR, Myer GD, Kernozek TW, Hewett TE. Differences in neuromuscular strategies between landing and cutting tasks in female basketball and soccer athletes. J Athl Train 2006;41:67–73
   PubMed Web of Science ®Google Scholar
• Fitzgerald GK, Axe MJ, Snyder-Mackler L. The efficacy of perturbation training in nonoperative anterior cruciate ligament rehabilitation programs for physical active individuals. Phys Ther 2000;80:128–40
   PubMed Web of Science ®Google Scholar
• Fitzgerald GK, Childs JD, Ridge TM, Irrgang JJ. Agility and perturbation training for a physical active individual with knee osteoarthritis. Phys Ther 2002;82:373–82
   Google Scholar
• Myer GD, Ford KR, McLean SG, Hewett TE. The effects of plyometric versus dynamic stabilization and balance training on lower extremity biomechanics. Am J Sports Med 2006;34:445–55
   PubMed Web of Science ®Google Scholar
• Paterno MV, Myer GD, Ford KR, Hewett TE. Neuromuscular training improves single-limb stability in young female athletes. J Orthop Sports Phys Ther 2004;34:305–16
   PubMed Web of Science ®Google Scholar
• Yasuda K, Erickson AR, Beynnon BD, Johnson RJ, Pope MH. Dynamic elongation behavior in the medial collateral and anterior cruciate ligaments during lateral impact loading. J Orthop Res 1993;11:190–8
   PubMed Web of Science ®Google Scholar
• Lloyd DG, Buchanan TS. Strategies of muscular support of varus and valgus isometric loads at the human knee. J Biomech 2001;34:1257–67
   PubMed Web of Science ®Google Scholar
• Besier TF, Lloyd DG, Ackland TR, Cochrane JL. Anticipatory effects on knee joint loading during running and cutting maneuvers. Med Sci Sports Exerc 2001;33:1176–81
   PubMed Web of Science ®Google Scholar
• Cowling EJ, Steele JR, McNair PJ. Effect of verbal instructions on muscle activity and risk of injury to the anterior cruciate ligament during landing. Br J Sports Med2003;37:126–30
   PubMed Web of Science ®Google Scholar
• Neptune RR, Wright IC, van den Bogert AJ. Muscle coordination and function during cutting movements. Med Sci Sports Exerc 1999;31:294–302
   PubMed Web of Science ®Google Scholar
• Pope MH, Johnson RJ, Brown DW, Tighe C. The role of the musculature in injuries to the medial collateral ligament. J Bone Joint Surg Am 1968;50:226–42
   PubMedGoogle Scholar
• Nyland JA, Caborn DN, Shapiro R, Johnson DL. Crossover cutting during hamstring fatigue produces transverse plane knee control deficits. J Athl Train 1999;34:137–43
   PubMed Web of Science ®Google Scholar
• Goldfuss AJ, Morehouse CA, Leveau BF. Effect of muscular tension on knee stability. Med Sci Sports 1973;5:267–71
   PubMedGoogle Scholar
• Sigward SM, Powers CM. The influence of gender on knee kinematics, kinetics and muscle activation patterns during side-step cutting. Clin Biomech 2006;21:41–8
   PubMed Web of Science ®Google Scholar
• Hewett TE, Paterno MV, Myer GD. Strategies for enhancing proprioception and neuromuscular control of the knee. Clin Orthop 2002;402:76–94
   PubMed Web of Science ®Google Scholar
• Cowling EJ, Steele JR. Is lower limb synchrony during landing affected by gender? Implications for variations in ACL injury rates. J Electromyogr Kinesiol 2001;11:263–8
   PubMed Web of Science ®Google Scholar
• Sigward S, Powers CM. The influence of experience on knee mechanics during side-step cutting in females. Clin Biomech 2006;21:740–7
   PubMed Web of Science ®Google Scholar
• Carcia CR, Shultz SJ, Granata KP, Perrin DH, Martin RL. Females recruit quadriceps faster than males at multiple knee flexion angles following a weight-bearing rotary perturbation. Clin J Sports Med 2005;15:167–71
   PubMed Web of Science ®Google Scholar
• Nyland J, Shapiro R. Development of a closed kinetic chain training device for the hip rotators [Abstract #966]. Med Sci Sports Exerc 2002;24:S173
   Google Scholar
• Zeller BL, McCrory JL, Kibler B, Uhl TL. Differences in kinematics and electromyographic activity between men and women during a single legged squat. Am J Sports Med 2003;31:449–55
   PubMed Web of Science ®Google Scholar
• Stacoff A, Kaelin X, Stuessi E. Impact in landing after a volleyball block. In: de Groot G, Hollander A, Huijing P, et al. (eds) Biomechanics IX. Amsterdam: Free University Press, 1988;694–700
   Google Scholar
• Huston LJ, Wojtys EM. Neuromuscular performance characteristics in elite female athletes. Am J Sports Med 1996;24:427–36
   PubMed Web of Science ®Google Scholar
• Moul JL. Differences in selected predictors of anterior cruciate ligament tears between male and female NCAA division I collegiate basketball players. J Athl Train 1998;33:118–21
   PubMed Web of Science ®Google Scholar
• Shultz SJ, Perrin DH, Adams MJ, Arnold BL, Gansneder BM, Granata KP. Neuromuscular response characteristics in men and women after knee perturbation in a single-leg, weightbearing stance. J Athl Train 2001;36:37–43
   PubMed Web of Science ®Google Scholar
• Cowling EJ, Steele JR. The effect of upper-limb motion on lower-limb muscle synchrony: implications for anterior cruciate ligament injury. J Biomech 2001;83:35–41
   Google Scholar
• Hewett TE, Ford KR, Myer GD, Wanstrath K, Scheper M. Gender differences in hip adduction motion and torque during a single-leg agility maneuver. J Orthop Res 2006;24:416–21
   PubMed Web of Science ®Google Scholar
• Myer GD, Paterno MV, Ford KR, Quatman CE, Hewett TE. Rehabilitation after anterior cruciate ligament reconstruction: criteria-based progression through the return-to-sport phase. J Orthop Sports Phys Ther 2006;36:385–402
   PubMed Web of Science ®Google Scholar
• Borden PS, Kantaras AT, Caborn DNM. Medial collateral ligament reconstruction with allograft using a double-bundle technique. Arthroscopy 2002;18:E19
   PubMedGoogle Scholar
• Yoshiya S, Kuroda R, Mizuno K, Yamamoto T, Kurosaka M. Medial collateral ligament reconstruction using autogenous hamstring tendons: technique and results in initial cases. Am J Sports Med 2005;33:1380–5
   PubMed Web of Science ®Google Scholar
• Finger S, Paulos LE. Clinical and biomechanical evaluation of the unloading brace. J Knee Surg 2002;15:155–8
   PubMedGoogle Scholar
• Caborn D, Rush J, Lanzer W, Parenti D, Murray C; Synvisc 901 Study Group. A randomized, single-blind comparison of the efficacy and tolerability of hylan G-F 20 and triamcinolone hexacetonide in patients with osteoarthritis of the knee. J Rheumatol 2004;31:333–43
   PubMed Web of Science ®Google Scholar
• Pagnano M, Westrich G. Successful nonoperative management of chronic osteoarthritis pain of the knee: safety and efficacy of retreatment with intraarticular hyaluronans. Osteoarthr Cart 2005;13:751–61
   PubMed Web of Science ®Google Scholar