Effects of load mass carried in a backpack upon respiratory muscle fatigue

References

• American Thoracic Society, & European Respiratory Society. (2002). ATS/ERS statement on respiratory muscle testing. American Journal of Respiratory and Critical Care Medicine, 166(4), 518–624. doi:10.1164/rccm.166.4.518
   PubMedGoogle Scholar
• Babcock, M. A., Johnson, B., Pegelow, D. F., Suman, O. E., Griffin, D., & Dempsey, J. A. (1995). Hypoxic effects on exercise-induced diaphragmatic fatigue in normal healthy humans. Journal of Applied Physiology, 78(1), 82–92.
   PubMed Web of Science ®Google Scholar
• Beekley, M. D., Alt, J., Buckley, C. M., Duffey, M., & Crowder, T. A. (2007). Effects of heavy load carriage during constant-speed, simulated, road marching. Military Medicine, 172(6), 592–595. doi: 10.7205/MILMED.172.6.592
   PubMed Web of Science ®Google Scholar
• Birrell, S. A., & Haslam, R. A. (2010). The effect of load distribution within military load carriage systems on the kinetics of human gait. Applied Ergonomics, 41(4), 585–590. doi: 10.1016/j.apergo.2009.12.004
   PubMed Web of Science ®Google Scholar
• Blacker, S. D., Fallowfield, J. L., Bilzon, J. L., & Willems, M. E. (2010). Neuromuscular function following prolonged load carriage on level and downhill gradients. Aviation, Space, and Environmental Medicine, 81(8), 745–753. doi: 10.3357/ASEM.2659.2010
   PubMed Web of Science ®Google Scholar
• Borg, G. A. v. (1982). Psychophysical bases of perceived exertion. Medicine and Science in Sports and Exercise, 14(5), 377–381. doi: 10.1249/00005768-198205000-00012
   PubMed Web of Science ®Google Scholar
• Borghols, E. A. M., Dresen, M. H. W., & Hollander, A. P. (1978). Influence of heavy weight carrying on the cardiorespiratory system during exercise. European Journal of Applied Physiology and Occupational Physiology, 38(3), 161–169. doi: 10.1007/BF00430074
   PubMed Web of Science ®Google Scholar
• Brown, P. I., Johnson, M., & Sharpe, G. R. (2014). Determinants of inspiratory muscle strength in healthy humans. Respiratory Physiology & Neurobiology, 196, 50–55. doi:10.1016/j.resp.2014.02.014
   PubMed Web of Science ®Google Scholar
• Brown, P. I., & McConnell, A. K. (2012). Respiratory-related limitations in physically demanding occupations. Aviation, Space, and Environmental Medicine, 83(4), 424–430. doi: 10.3357/ASEM.3163.2012
   PubMedGoogle Scholar
• Brown, P. I., Sharpe, G. R., & Johnson, M. A. (2012). Inspiratory muscle training abolishes the blood lactate increase associated with volitional hyperpnoea superimposed on exercise and accelerates lactate and oxygen uptake kinetics at the onset of exercise. European Journal of Applied Physiology, 112(6), 2117–2129. doi: 10.1007/s00421-011-2185-8
   PubMed Web of Science ®Google Scholar
• Christie, C. J., & Scott, P. A. (2005). Metabolic responses of South African soldiers during simulated marching with 16 combinations of speed and backpack load. Military Medicine, 170(7), 619–622. doi: 10.7205/MILMED.170.7.619
   PubMed Web of Science ®Google Scholar
• Dominelli, P. B., Sheel, A. W., & Foster, G. E. (2012). Effect of carrying a weighted backpack on lung mechanics during treadmill walking in healthy men. European Journal of Applied Physiology, 112(6), 2001–2012. doi: 10.1007/s00421-011-2177-8
   PubMed Web of Science ®Google Scholar
• Faghy, M. A., & Brown, P. I. (2014a). Preloaded time trial to assess load carriage performance. Journal of Strength and Conditioning Research / National Strength & Conditioning Association, 28(12), 3354–3362. doi: 10.1519/JSC.0000000000000555
   PubMed Web of Science ®Google Scholar
• Faghy, M. A., & Brown, P. I. (2014b). Thoracic load carriage-induced respiratory muscle fatigue. European Journal of Applied Physiology. doi:10.1007/s00421-014-2839-4
   PubMed Web of Science ®Google Scholar
• Faghy, M. A., & Brown, P. I. (2015). Training the inspiratory muscles improves running performance when carrying a 25 kg thoracic load in a backpack. European Journal of Sport Science, 1–10. doi:10.1080/17461391.2015.1071878
   Web of Science ®Google Scholar
• Goh, J. H., Thambyah, A., & Bose, K. (1998). Effects of varying backpack loads on peak forces in the lumbosacral spine during walking. Clinical Biomechanics, 13(1), S26–S31. doi: 10.1016/S0268-0033(97)00071-5
   PubMed Web of Science ®Google Scholar
• Haisman, M. F. (1988). Determinants of load carrying ability. Applied Ergonomics, 19(2), 111–121. doi: 10.1016/0003-6870(88)90004-X
   PubMed Web of Science ®Google Scholar
• Hodges, P. W., Butler, J. E., McKenzie, D. K., & Gandevia, S. C. (1997). Contraction of the human diaphragm during rapid postural adjustments. The Journal of Physiology, 505(2), 539–548. doi: 10.1111/j.1469-7793.1997.539bb.x
   PubMed Web of Science ®Google Scholar
• Holewijn, M. (1990). Physiological strain due to load carrying. European Journal of Applied Physiology and Occupational Physiology, 61(3–4), 237–245. doi: 10.1007/BF00357606
   PubMed Web of Science ®Google Scholar
• Knapik, J., Reynolds, K. L., & Harman, E. (2004). Soldier load carriage: Historical, physiological, biomechanical, and medical aspects. Military Medicine, 169(1), 45–56. doi: 10.7205/MILMED.169.1.45
   PubMed Web of Science ®Google Scholar
• Nadiv, Y., Vachbroit, R., Gefen, A., Elad, D., Zaretsky, U., Moran, D., … Ratnovsky, A. (2012). Evaluation of fatigue of respiratory and lower limb muscles during prolonged aerobic exercise. Journal of Applied Biomechanics, 28(2), 139–147.
   PubMed Web of Science ®Google Scholar
• Patton, J. F., Kaszuba, J., Mello, R. P., & Reynolds, K. L. (1991). Physiological responses to prolonged treadmill walking with external loads. European Journal of Applied Physiology and Occupational Physiology, 63(2), 89–93. doi: 10.1007/BF00235175
   PubMed Web of Science ®Google Scholar
• Rayson, M., Holliman, D., & Belyavin, A. (2000). Development of physical selection procedures for the British Army. Phase 2: Relationship between physical performance tests and criterion tasks. Ergonomics, 43(1), 73–105. doi: 10.1080/001401300184675
   PubMed Web of Science ®Google Scholar
• Romer, L. M., & McConnell, A. K. (2003). Specificity and reversibility of inspiratory muscle training. Medicine and Science in Sports and Exercise, 35(2), 237–244. doi: 10.1249/01.MSS.0000048642.58419.1E
   PubMed Web of Science ®Google Scholar
• Romer, L. M., & McConnell, A. K. (2004). Respiratory muscle training in healthy humans: Resolving the controversy. International Journal of Sports Medicine, 25, 284–293. doi: 10.1055/s-2004-815827
   PubMed Web of Science ®Google Scholar
• Sheel, A. W., & Romer, L. M. (2012). Ventilation and respiratory mechanics. Comprehensive Physiology, 2(2), 1093–1142. doi:10.1002/cphy.c100046
   PubMed Web of Science ®Google Scholar
• Swain, D. P., Ringleb, S. I., Naik, D. N., & Butowicz, C. M. (2011). Effect of training with and without a load on military fitness tests and marksmanship. The Journal of Strength & Conditioning Research, 25(7), 1857–1865. doi: 10.1519/JSC.0b013e318220dbcf
   PubMed Web of Science ®Google Scholar
• Tomczak, S. E., Guenette, J. A., Reid, W. D., McKenzie, D. C., & Sheel, A. W. (2011). Diaphragm fatigue after submaximal exercise with chest wall restriction. Medicine and Science in Sports and Exercise, 43(3), 416–424. doi: 10.1249/MSS.0b013e3181ef5e67
   PubMed Web of Science ®Google Scholar
• Wilson, S. H., Cooke, N. T., Edwards, R. H., & Spiro, S. G. (1984). Predicted normal values for maximal respiratory pressures in Caucasian adults and children. Thorax, 39(7), 535–538. doi: 10.1136/thx.39.7.535
   PubMed Web of Science ®Google Scholar