{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T14:12:55Z","timestamp":1790518375401,"version":"4.1.0"},"reference-count":57,"publisher":"American Physiological Society","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Applied Physiology"],"published-print":{"date-parts":[[2010,8]]},"abstract":"<jats:p>Cervical spinal cord injury (CSCI) results in a decrease in the capacity of the lungs and chest wall for pressure, volume, and airflow generation. We asked whether such impairments might increase the potential for exercise-induced diaphragmatic fatigue and mechanical ventilatory constraint in this population. Seven Paralympic wheelchair rugby players (mean \u00b1 SD peak oxygen uptake = 16.9 \u00b1 4.9 ml\u00b7kg<jats:sup>\u22121<\/jats:sup>\u00b7min<jats:sup>\u22121<\/jats:sup>) with traumatic CSCI (C<jats:sub>5<\/jats:sub>\u2013C<jats:sub>7<\/jats:sub>) performed arm-crank exercise to the limit of tolerance at 90% of their predetermined peak work rate. Diaphragm function was assessed before and 15 and 30 min after exercise by measuring the twitch transdiaphragmatic pressure (P<jats:sub>di,tw<\/jats:sub>) response to bilateral anterolateral magnetic stimulation of the phrenic nerves. Ventilatory constraint was assessed by measuring the tidal flow volume responses to exercise in relation to the maximal flow volume envelope. P<jats:sub>di,tw<\/jats:sub>was not different from baseline at any time after exercise (unpotentiated P<jats:sub>di,tw<\/jats:sub>= 19.3 \u00b1 5.6 cmH<jats:sub>2<\/jats:sub>O at baseline, 19.8 \u00b1 5.0 cmH<jats:sub>2<\/jats:sub>O at 15 min after exercise, and 19.4 \u00b1 5.7 cmH<jats:sub>2<\/jats:sub>O at 30 min after exercise; P = 0.16). During exercise, there was a sudden, sustained rise in operating lung volumes and an eightfold increase in the work of breathing. However, only two subjects showed expiratory flow limitation, and there was substantial capacity to increase both flow and volume (&lt;50% of maximal breathing reserve). In conclusion, highly trained athletes with CSCI do not develop exercise-induced diaphragmatic fatigue and rarely reach mechanical ventilatory constraint.<\/jats:p>","DOI":"10.1152\/japplphysiol.00227.2010","type":"journal-article","created":{"date-parts":[[2010,5,21]],"date-time":"2010-05-21T02:25:01Z","timestamp":1274408701000},"page":"358-366","source":"Crossref","is-referenced-by-count":33,"title":["No effect of arm-crank exercise on diaphragmatic fatigue or ventilatory constraint in Paralympic athletes with cervical spinal cord injury"],"prefix":"10.1152","volume":"109","author":[{"given":"Bryan J.","family":"Taylor","sequence":"first","affiliation":[{"name":"Centre for Sports Medicine and Human Performance, Brunel University, Uxbridge, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher R.","family":"West","sequence":"additional","affiliation":[{"name":"Centre for Sports Medicine and Human Performance, Brunel University, Uxbridge, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lee M.","family":"Romer","sequence":"additional","affiliation":[{"name":"Centre for Sports Medicine and Human Performance, Brunel University, Uxbridge, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"24","reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm.158.5.9710009"},{"key":"B2","volume-title":"Reference Manual of the International Standards for Neurological Classification of Spinal Cord Injury","year":"2003"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.167.2.211"},{"key":"B4","doi-asserted-by":"publisher","DOI":"10.1152\/japplphysiol.00612.2001"},{"key":"B5","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1996.81.5.2156"},{"key":"B6","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1995.78.5.1710"},{"key":"B7","first-page":"788","volume":"126","author":"Baydur A","year":"1982","journal-title":"Am Rev Respir Dis"},{"key":"B8","volume-title":"Borg's Perceived Exertion and Pain Scales","author":"Borg G","year":"1998"},{"key":"B9","first-page":"853","volume":"51","author":"Brown R","year":"2006","journal-title":"Respir Care"},{"key":"B10","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm\/146.3.790"},{"key":"B11","doi-asserted-by":"publisher","DOI":"10.1016\/j.apergo.2004.05.001"},{"key":"B12","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1983.55.2.479"},{"key":"B13","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1982.53.1.236"},{"key":"B14","doi-asserted-by":"publisher","DOI":"10.1152\/japplphysiol.91472.2008"},{"key":"B15","volume-title":"International Wheelchair Rugby Federation (IWRF) Classification Manual","author":"Duffield D","year":"2008","edition":"3"},{"key":"B16","doi-asserted-by":"crossref","first-page":"242","DOI":"10.1183\/09031936.93.01030242","volume":"1","author":"Goldman JM","year":"1988","journal-title":"Eur Respir J"},{"key":"B17","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1976.41.5.752"},{"key":"B18","first-page":"528","volume":"166","author":"Green M","year":"2002","journal-title":"Am J Respir Crit Care Med"},{"key":"B19","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1976.41.5.739"},{"key":"B20","doi-asserted-by":"publisher","DOI":"10.1111\/j.0954-6820.1963.tb16523.x"},{"key":"B21","doi-asserted-by":"publisher","DOI":"10.1038\/sj.sc.3101915"},{"key":"B22","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1997.82.5.1573"},{"key":"B23","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2004.12.025"},{"key":"B24","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1988.64.1.135"},{"key":"B25","doi-asserted-by":"publisher","DOI":"10.1055\/s-2007-971889"},{"key":"B26","doi-asserted-by":"publisher","DOI":"10.1113\/jphysiol.1993.sp019477"},{"key":"B27","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1992.73.3.874"},{"key":"B28","doi-asserted-by":"publisher","DOI":"10.1378\/chest.116.2.488"},{"key":"B29","doi-asserted-by":"publisher","DOI":"10.1378\/chest.123.3.725"},{"key":"B30","doi-asserted-by":"publisher","DOI":"10.1034\/j.1399-3003.2000.15d05.x"},{"key":"B31","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1995.79.2.539"},{"key":"B32","doi-asserted-by":"publisher","DOI":"10.1378\/chest.121.2.452"},{"key":"B33","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm\/148.6_Pt_1.1571"},{"key":"B34","doi-asserted-by":"publisher","DOI":"10.1038\/sj.sc.3101998"},{"key":"B35","doi-asserted-by":"publisher","DOI":"10.1113\/jphysiol.1992.sp019284"},{"key":"B36","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1953.5.12.779"},{"key":"B37","doi-asserted-by":"publisher","DOI":"10.1183\/09031936.05.00034805"},{"key":"B38","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm.154.4.8887614"},{"key":"B39","first-page":"463","volume-title":"Handbook of Physiology. 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