Effect of Number of Sprints in an SIT Session on Change in V˙O2max

Vollaard, Niels; Metcalfe, Richard S.; Williams, Seán

doi:10.1249/mss.0000000000001204

Cited by 80 publications

(107 citation statements)

References 75 publications

(37 reference statements)

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“…In a series of studies we have demonstrated that reducing the number of sprint repetitions (from 6-7 to 2) and the sprint duration (from 30 to 20 seconds) in Gibala's 'classic' SIT protocol (Burgomaster et al, 2006;Burgomaster et al, 2005;Gibala et al, 2006) does not attenuate the improvements in important markers of cardiometabolic health, including maximal aerobic capacity (Metcalfe, Tardif, Thompson, & Vollaard, 2016;Nalçakan et al, 2018;Vollaard, Metcalfe, & Williams, 2017), insulin sensitivity and glycaemic control (Metcalfe, Babraj, Fawkner, & Vollaard, 2012;Metcalfe et al, 2018), and blood pressure (Ruffino et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Affective and perceptual responses during reduced-exertion high-intensity interval training (REHIT)

Songsorn

Brick

Fitzpatrick

et al. 2019

International Journal of Sport and Exercise Psychology

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Section: Introductionmentioning

confidence: 99%

Affective and perceptual responses during reduced-exertion high-intensity interval training (REHIT)

Songsorn

Brick

Fitzpatrick

et al. 2019

International Journal of Sport and Exercise Psychology

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“…Conversely, others have shown a mean improvement between 6.3% to 9.3% in VO 2 peak following only two weeks of SIT in young, active adults [5,23]. Two recent meta-analyses further supported the effectiveness of a ‘traditional’ SIT protocol on VO 2 max improvement by demonstrating a likely moderate to large effect (6.2% to 7.8%) [12,13]. The differences in findings between studies can be attributed to a number of training parameters with the modifying effects on the magnitude of VO 2 max.…”

Section: Discussionmentioning

confidence: 99%

“…The differences in findings between studies can be attributed to a number of training parameters with the modifying effects on the magnitude of VO 2 max. These include the maximum number of sprint repetitions in a training session, sprint duration, number of training sessions, work-to-rest ratios, baseline VO 2 max, and training duration [12,13]. …”

Section: Discussionmentioning

confidence: 99%

“…In addition, the efficacy of UST has been demonstrated in athletic populations including the semi-professional male soccer players [9], semi-professional female field hockey players [10], and well-trained distance runners [11]. While both sprinting protocols appear to lead to similar improvements in cardiorespiratory fitness in non-athletic populations (cycling—6.2–7.8% [12,13], running—3.9–11.5% [9,10], no studies have directly measured early physiological responses between SIT and UST in healthy, recreationally-trained male adults.…”

Section: Introductionmentioning

confidence: 99%

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Early Adaptations to a Two-Week Uphill Run Sprint Interval Training and Cycle Sprint Interval Training

Kavaliauskas

Jakeman

Babraj

2018

Sports

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This study sought to compare early physiological and performance adaptations between a two-week cycle sprint interval training (SIT) and uphill run sprint training (UST) programs. Seventeen recreationally active adult males (age = 28 ± 5 years; body mass (BM) = 78 ± 9 kg) were assigned to either a control (n = 5), SIT (n = 6), or UST (n = 6) group. A discrete group of participants (n = 6, age = 33 ± 6 years, and body mass = 80 ± 9 kg) completed both training protocols to determine acute physiological responses. Intervention groups completed either a run or cycle peak oxygen uptake (VO2peak) test (intervention type dependent) prior to and following two weeks of training. Training comprised of three sessions per week of 4 × 30-s “all-out” sprints with a four-minute active recovery between bouts on a cycle ergometer against 7.5% of body mass in the SIT group and on a 10% slope in the UST group. The VO2peak values remained unchanged in both training groups, but time-to-exhaustion (TTE) was significantly increased only in the UST group (pre—495 ± 40 s, post—551 ± 15 s; p = 0.014) and not in the SIT group (pre—613 ± 130 s, post—634 ± 118 s, p = 0.07). Ventilatory threshold (VT) was significantly increased in both training groups (SIT group: pre—1.94 ± 0.45 L·min−1, post—2.23 ± 0.42 L·min−1; p < 0.005, UST group: pre—2.04 ± 0.40 L·min−1, post—2.33 ± 0.34 L·min−1, p < 0.005). These results indicate that UST may be an effective alternative to SIT in healthy individuals.

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“…Nalçakan, Songsorn, Fitzpatrick, Yüzbasioglu, Brick, Metcalfe, Vollaard, 2017 Decreasing sprint duration from 20 to 10 s during reduced-exertion high-intensity interval training (REHIT) attenuates the increase in maximal aerobic capacity but has no effect on affective and perceptual responses…”

Section: Chapter Two: Review Of Literaturementioning

confidence: 99%

Examining Work-to-Rest Ratios to Optimize Upper Body Sprint Interval Training

Monica

Fukuda

Starling-Smith

et al. 2019

Medicine &Amp; Science in Sports &Amp; Exercise

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The primary purpose of this study 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 one of three training groups [10s work bouts with two minutes of rest (10:2, n = 11) or four minutes of rest (10:4, n = 11), or 30s work bouts with four minutes of rest (30:4, n = 10)] or a control group (CON, n = 10). Participants underwent six training sessions over two weeks with four to six 'all-out' sprints. During pre-and post-intervention visits, participants underwent a graded exercise test to determine maximal oxygen consumption (V O2peak) and peak power output (PPO), four constant-work rate trials to determine critical power (CP), anaerobic working capacity (W'), and electromyographic fatigue threshold (EMGFT), and an upper body Wingate test to determine peak power (PP), mean power (MP), and total work (TW). Oxygen consumption and blood lactate during the Wingate test generated estimates of oxidative, glycolytic, and ATP-PCr energy system provisions. An analysis of covariance was performed on all testing measurements collected at post with the associated prevalues used as covariates. V O2peak was greater in 30:4 (p = .007) and 10:2 (p = .036) compared to CON and PPO was greater in 30:4 than CON (p = .007). No differences were observed between groups in CP (p = .530), W' (p = .900), EMGFT (p = .692), PP (p = .692), MP (p = .290), or TW (p = .291). Relative energy contribution (p = .026) and energy expenditure (p = .019) of the ATP-PCr energy system was greater in 10:4 compared to CON. SIT protocols with larger work-to-rest ratios induce enhanced aerobic adaptions, whereas smaller work-to-rest ratios may enhance ATP-PCr utilization in the upper body over a short-term two-week intervention.

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Effect of Number of Sprints in an SIT Session on Change in V˙O2max

Cited by 80 publications

References 75 publications

Affective and perceptual responses during reduced-exertion high-intensity interval training (REHIT)

Affective and perceptual responses during reduced-exertion high-intensity interval training (REHIT)

Early Adaptations to a Two-Week Uphill Run Sprint Interval Training and Cycle Sprint Interval Training

Examining Work-to-Rest Ratios to Optimize Upper Body Sprint Interval Training

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