Abstract：
:The objective was to compare the metabolic influence of varying work-to-rest ratios during upper body sprint interval training (SIT). Forty-two recreationally-trained men were randomized into a training group [10 s work - 2 min of rest (10:2) or 4 min of rest (10:4), or 30 s work - 4 min of rest (30:4)] or a control group (CON). Participants underwent six training sessions over two weeks. Assessments consisted of a graded exercise test [maximal oxygen consumption (VO2peak) and peak power output (PPO)], four constant-work rate trials [critical power, anaerobic working capacity, and electromyographic fatigue threshold], and an upper body Wingate test (mean/peak power and total work). Post-training absolute and relative VO2peak was greater than pre-training for 30:4 (p = .005 and p = .009, respectively), but lower for CON (p = .001 and p = .006, respectively). Post-training PPO was greater in 30:4 (p < .001). No differences were observed during the constant-work rate trials or Wingate test. Traditional SIT appears to have enhanced VO2peak in the upper body over a short-term two-week intervention.
journal_name
Respir Physiol Neurobioljournal_title
Respiratory physiology & neurobiologyauthors
La Monica MB,Fukuda DH,Starling-Smith TM,Clark NW,Morales J,Hoffman JR,Stout JRdoi
10.1016/j.resp.2019.01.005subject
Has Abstractpub_date
2019-04-01 00:00:00pages
12-19eissn
1569-9048issn
1878-1519pii
S1569-9048(18)30337-9journal_volume
262pub_type
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