Electromyographic and kinetic analysis of two abdominal muscle performance tests

References

• Bates BT, Zhang S, Dufek JS, Chen FC 1996 The effects of sample size and variability on the correlation coefficient. Medicine and Science in Sports and Exercise 28: 386–391
   PubMed Web of Science ®Google Scholar
• Deyo RA, Mirza SK, Martin BI 2006 Back pain prevalence and visit rates: Estimates from U.S. national surveys, (2002). Spine 31: 2724–2727
   PubMed Web of Science ®Google Scholar
• Friberg O, Nurminen M, Korhonen K, Soininen E, Manttari T 1988 Accuracy and precision of clinical estimation of leg length inequality and lumbar scoliosis: Comparison of clinical and radiological measurements. International Disability Studies 10: 49–53
   PubMedGoogle Scholar
• Gilleard WL, Brown JM 1994 An electromyographic validation of an abdominal muscle test. Archives of Physical Medicine and Rehabilitation 75: 1002–1007
   PubMed Web of Science ®Google Scholar
• Hodges PW 2001 Changes in motor planning of feedforward postural responses of the trunk muscles in low back pain. Experimental Brain Research 141: 261–266
   PubMed Web of Science ®Google Scholar
• Hodges PW, Richardson CA 1998 Delayed postural contraction of transversus abdominis in low back pain associated with movement of the lower limb. Journal of Spinal Disorders 11: 46–56
   PubMedGoogle Scholar
• Holmstrom E, Moritz U, Andersson M 1992 Trunk muscle strength and back muscle endurance in construction workers with and without low back disorders. Scandinavian Journal of Rehabilitation Medicine 24: 3–10
   PubMedGoogle Scholar
• Jackson AS, Pollock ML 1978 Generalized equations for predicting body density of men. British Journal of Nutrition 40: 497–504
   PubMed Web of Science ®Google Scholar
• Jackson AS, Pollock ML, Ward A 1980 Generalized equations for predicting body density of women. Medicine and Science in Sports and Exercise 12: 175–181
   PubMed Web of Science ®Google Scholar
• Kendall F, Kendall McCreary E, Provance P 2005 Muscles testing and function with posture and pain, 5th edn. Baltimore, MD, Williams & Wilkins
   Google Scholar
• Konrad P 2005 The ABC of EMG. A practical introduction to kinesiological electromyography. Scottsdale, AZ, Noraxon, Inc
   Google Scholar
• Krause DA, Youdas JW, Hollman JH, Smith J 2005 Abdominal muscle performance as measured by the double leg-lowering test. Archives of Physical Medicine and Rehabilitation 86: 1345–1348
   PubMed Web of Science ®Google Scholar
• Ladeira CE, Hess LW, Galin BM, Fradera S, Harkness MA 2005 Validation of an abdominal muscle strength test with dynamometry. Journal of Strength and Conditioning Research 19: 925–930
   PubMed Web of Science ®Google Scholar
• Marshall P, Murphy B 2010 Delayed abdominal muscle onsets and self-report measures of pain and disability in chronic low back pain. Journal of Electromyography and Kinesiology 20: 833–839
   PubMed Web of Science ®Google Scholar
• McGill S, Juker D, Kropf P 1996 Appropriately placed surface EMG electrodes reflect deep muscle activity (psoas, quadratus lumborum, abdominal wall) in the lumbar spine. Journal of Biomechanics 29: 1503–1507
   PubMed Web of Science ®Google Scholar
• Muri J, Winter SL, Challis JH 2008 Changes in segmental inertial properties with age. Journal of Biomechanics 41: 1809–1812
   PubMed Web of Science ®Google Scholar
• Ng JK, Kippers V, Richardson CA 1998 Muscle fibre orientation of abdominal muscles and suggested surface EMG electrode positions. Electromyography and Clinical Neurophysiology 38: 51–58
   PubMedGoogle Scholar
• Norris CM 1993 Abdominal muscle training in sport. British Journal of Sports Medicine 27: 19–27
   PubMedGoogle Scholar
• Panjabi MM 2006 A hypothesis of chronic back pain: Ligament subfailure injuries lead to muscle control dysfunction. European Spine Journal 15: 668–676
   PubMed Web of Science ®Google Scholar
• Piering AW, Janowski AP, Wehrenberg WB, Moore MT, Snyder AC 1993 Electro-myographic analysis of four popular abdominal exercises. Journal of Athletic Training 28: 120–126
   PubMedGoogle Scholar
• Richardson C, Hodges P, Hides J 2004 Therapeutic exercise for lumbopelvic stabilization: A motor control approach for the treatment and prevention of low back pain. Philadelphia, PA, Churchill Livingstone
   Google Scholar
• Riddle D, Stratford P 2013 Is this change real? Interpreting patient outcomes in physical therapy. Philadelphia, PA, F.A. Davis Company
   Google Scholar
• Rosenthal JA 1996 Qualitative descriptors of strength of association and effect size. Journal of Social Service Research 21: 37–59
   Web of Science ®Google Scholar
• Sahrmann S 2002 Diagnosis and treatment of movement impairment syndromes. St. Louis, MO, Mosby, Inc
   Google Scholar
• Shields RK, Heiss DG 1997 An electromyographic comparison of abdominal muscle synergies during curl and double straight leg lowering exercises with control of the pelvic position. Spine 22: 1873–1879
   PubMed Web of Science ®Google Scholar
• Silfies SP, Mehta R, Smith SS, Karduna AR 2009 Differences in feedforward trunk muscle activity in subgroups of patients with mechanical low back pain. Archives of Physical Medicine and Rehabilitation 90: 1159–1169
   PubMed Web of Science ®Google Scholar
• Smidt GL, Blanpied PR 1987 Analysis of strength tests and resistive exercises commonly used for low-back disorders. Spine 12: 1025–1034
   PubMed Web of Science ®Google Scholar
• Winter D 2009 Biomechanics and motor control of human movement. New York, NY, Wiley
   Google Scholar
• Zannotti CM, Bohannon RW, Tiberio D, Dewberry MJ, Murray R 2002 Kinematics of the double-leg-lowering test for abdominal muscle strength. Journal of Orthopaedic and Sports Physical Therapy 32: 432–436
   PubMed Web of Science ®Google Scholar