November 16, 2018 Conference paper Open Access

West, C.R.; Gee, C.M.; Williams, A.M.; Sheel, A.W.; Eves, N.D.

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    "description": "<p><strong>PURPOSE</strong>: To examine whether six weeks combined inspiratory and expiratory respiratory muscle<br>\ntraining (RMT) improves peak exercise capacity and respiratory mechanics during sub-maximal exercise<br>\nin wheelchair rugby athletes with tetraplegia.<br>\n<strong>METHODS</strong>: Six athletes (5M/1F, 33&plusmn;5 years) were assessed for maximal, sub-maximal and field-based<br>\nexercise performance pre and post six-week pressure-threshold RMT, and again following six-weeks of<br>\nno RMT. During each testing session, athletes first completed a ramped arm-ergometer exercise test to<br>\nexhaustion for the determination of peak work rate and peak oxygen uptake. Following a 30 minute break,<br>\nathletes completed a sub-maximal arm-ergometer test at 20, 40, 60, and 80% of peak work rate. Inspiratory<br>\ncapacity maneuvers were performed in the final minute of each stage to determine end-expiratory lung<br>\nvolume (EELV) and calculate end-inspiratory lung volume (EILV). Breath-by-breath cardiopulmonary<br>\nindices were recorded throughout both exercise tests. On a separate day, athletes were assessed for time<br>\nto complete a field-based 20x20 metre repeated sprint test.<br>\n<strong>RESULTS</strong>: Following RMT, there were increases in peak work rate (69&plusmn;22 post vs. 60&plusmn;20 W pre, p=0.03),<br>\noxygen uptake (20.3&plusmn;5.9 vs. 17.6&plusmn;5.0 mL/kg/min, p=0.04), and minute ventilation (54&plusmn;18 vs. 46&plusmn;12 L/min,<br>\np=0.03). Dynamic hyperinflation was present during all tests as evidenced by an increase in EELV with<br>\nincreasing exercise intensity; however, during post-RMT testing both EELV and EILV were significantly<br>\nlower than pre-RMT throughout exercise (p&lt;0.05). At follow-up, no indices were different from post-RMT.<br>\nField-based repeat sprint performance was unchanged by RMT.<br>\n<strong>DISCUSSION</strong>: RMT enhances exercise capacity in athletes with tetraplegia. Whether this is due to an<br>\nincreased peak ventilation or the circulatory benefits of an enhanced respiratory muscle pump, lower<br>\noperating lung volumes, and/or an attenuation of the respiratory muscle metaboreflex remains to be<br>\ndetermined.</p>", 
    "language": "eng", 
    "title": "RehabMove 2018: EFFECT OF RESPIRATORY MUSCLE TRAINING ON EXERCISE CAPACITY AND RESPIRATORY MECHANICS IN ATHLETES WITH TETRAPLEGIA", 
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      "id": "CC-BY-4.0"
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    "publication_date": "2018-11-16", 
    "creators": [
      {
        "affiliation": "ICORD/University of British Columbia, VANCOUVER, Canada", 
        "name": "West, C.R."
      }, 
      {
        "affiliation": "ICORD/University of British Columbia, VANCOUVER, Canada", 
        "name": "Gee, C.M."
      }, 
      {
        "affiliation": "ICORD/University of British Columbia, VANCOUVER, Canada", 
        "name": "Williams, A.M."
      }, 
      {
        "affiliation": "University of British Columbia, VANCOUVER, Canada", 
        "name": "Sheel, A.W."
      }, 
      {
        "affiliation": "University of British Columbia, VANCOUVER, Canada", 
        "name": "Eves, N.D."
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    "meeting": {
      "dates": "12-14 December 2018", 
      "title": "6th International RehabMove State-Of-The-Art Congress 2018", 
      "url": "http://rehabmove2018.com/", 
      "session": "B", 
      "place": "Groningen, The Netherlands", 
      "session_part": "28"
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