Sex-Based Performance Responses to an Acute Sprint Interval Cycling Training Session in Collegiate Athletes

Magal, Meir; Liette, Nicole C.; Crowley, Shannon K.; Hoffman, Jay R.; Thomas, Kathleen S.

doi:10.1080/02701367.2020.1751026

Cited by 2 publications

(3 citation statements)

References 36 publications

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“…Together, our findings combined with previous observations reveal that when the recovery periods between sprints are sufficient (2–5 min), the sprint performance will not deteriorate as the energy stores, such as muscle phosphocreatine (PCr), would recover completely although hypoxia can increase non-oxidative glycolysis [ 40 , 41 ]. The present study showed that PPO and MPO were greater in males than females, which is in accordance with others who illustrated that differences between males and females may be attributed to body composition differences [ 44 , 45 , 46 ]. To the best of our knowledge, this is the first study to focus on sex-based performance differences across SIT under different doses of acute normobaric hypoxia.…”

Section: Discussionsupporting

confidence: 93%

High Dose of Acute Normobaric Hypoxia Does Not Adversely Affect Sprint Interval Training, Cognitive Performance and Heart Rate Variability in Males and Females

Karayiğit

Ramírez‐Campillo

Yaşli

et al. 2022

Biology

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Although preliminary studies suggested sex-related differences in physiological responses to hypoxia, the effects of sex on sprint interval training (SIT) performance in different degrees of hypoxia are largely lacking. The aim of this study was to examine the acute effect of different doses of normobaric hypoxia on SIT performance as well as heart rate variability (HRV) and cognitive performance (CP) in amateur-trained team sport players by comparing potential sex differences. In a randomized, double-blind, crossover design, 26 (13 females) amateur team-sport (football, basketball, handball, rugby) players completed acute SIT (6 × 15 s all-out sprints, separated with 2 min active recovery, against a load equivalent to 9% of body weight) on a cycle ergometer, in one of four conditions: (I) normoxia without a mask (FiO2: 20.9%) (CON); (II) normoxia with a mask (FiO2: 20.9%) (NOR); (III) moderate hypoxia (FiO2: 15.4%) with mask (MHYP); and (IV) high hypoxia (FiO2: 13.4%) with mask (HHYP). Peak (PPO) and mean power output (MPO), HRV, heart rate (HR), CP, capillary lactate (BLa), and ratings of perceived exertion (RPE) pre- and post-SIT were compared between CON, NOR, MHYP and HHYP. There were no significant differences found between trials for PPO (p = 0.55), MPO (p = 0.44), RPE (p = 0.39), HR (p = 0.49), HRV (p > 0.05) and CP (response accuracy: p = 0.92; reaction time: p = 0.24). The changes in MP, PP, RPE, HR, CP and HRV were similar between men and women (all p > 0.05). While BLa was similar (p = 0.10) between MHYP and HHYP trials, it was greater compared to CON (p = 0.01) and NOR (p = 0.01), without a sex-effect. In conclusion, compared to normoxia, hypoxia, and wearing a mask, have no effect on SIT acute responses (other than lactate), including PP, MP, RPE, CP, HR, and cardiac autonomic modulation either in men or women.

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Section: Discussionsupporting

confidence: 93%

High Dose of Acute Normobaric Hypoxia Does Not Adversely Affect Sprint Interval Training, Cognitive Performance and Heart Rate Variability in Males and Females

Karayiğit

Ramírez‐Campillo

Yaşli

et al. 2022

Biology

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“…Our results show no difference in the RPE response to HIIT or SIT between men and women (Figure 1A), which supports previous findings obtained in collegiate soccer players completing 6 Wingate tests (32). Similarly, Robertson et al (42) showed no difference in RPE between active men and women exercising at 70, 80, and 90 %V̇O 2max , although these data were acquired from incremental treadmill and cycling exercise rather than HIIT or SIT.…”

Section: Discussionsupporting

confidence: 92%

“…To our knowledge, little is known about potential sex differences in the perceptual response to various interval protocols. In collegiate soccer players, Magal et al (32) showed no sex difference in the rating of perceived exertion (RPE) response to 6 Wingate tests. However, neither affective valence nor enjoyment were assessed, and in addition, exercise consisted of only Wingate tests eliciting power outputs above that associated with V̇O 2max rather than HIIT protocols, whose submaximal nature may diminish any effect of sex-related discrepancies in body composition and oxidative capacity on the resultant perceptual response.…”

Section: Introductionmentioning

confidence: 99%

No Sex Differences in Perceptual Responses to High-Intensity Interval Training or Sprint Interval Training

Coe,

Astorino

2024

Journal of Strength &Amp; Conditioning Research

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Coe, LN and Astorino, TA. No sex differences in perceptual responses to high-intensity interval training or sprint interval training. J Strength Cond Res 36(6): 1025–1032, 2024—High-intensity interval training (HIIT) elicits similar and, in some cases, superior benefits vs. moderate-intensity continuous training (MICT). However, HIIT is typically more aversive than MICT because of the higher intensity and in turn, greater blood lactate accumulation (BLa). This study explored potential sex differences in perceptual responses to acute HIIT and sprint interval training. Fifteen men (age and V̇O2max = 29 ± 8 years and 39 ± 3 ml·kg−1·min−1) and 13 women (age and V̇O2max = 22 ± 2 years and 38 ± 5 ml·kg−1·min−1) who are healthy and recreationally active initially underwent testing of maximal oxygen uptake (V̇O2max) on a cycle ergometer. In randomized order on 3 separate occasions, they performed the 10 × 1-minute protocol at 85% of peak power output, 4 × 4-minute protocol at 85–95% maximal heart rate (%HRmax), or reduced exertion high intensity interval training consisting of 2 “all-out” 20-second sprints at a load equal to 5% body mass. Before and throughout each protocol, rating of perceived exertion (rating of perceived exertion [RPE] 6–20 scale), affective valence (+5 to −5 of the Feeling Scale), and BLa were assessed. Five minutes postexercise, enjoyment was measured using the Physical Activity Enjoyment scale survey. Results showed no difference in RPE (p = 0.17), affective valence (0.27), or enjoyment (p = 0.52) between men and women. Blood lactate accumulation increased in response to all protocols (p < 0.001), and men showed higher BLa than women (p = 0.03). Previous research suggests that interval exercise protocols are not interchangeable between men and women, yet our data reveal that men and women having similar V̇O2max exhibit no differences in perceptual responses to interval exercise.

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Sex-Based Performance Responses to an Acute Sprint Interval Cycling Training Session in Collegiate Athletes

Cited by 2 publications

References 36 publications

High Dose of Acute Normobaric Hypoxia Does Not Adversely Affect Sprint Interval Training, Cognitive Performance and Heart Rate Variability in Males and Females

High Dose of Acute Normobaric Hypoxia Does Not Adversely Affect Sprint Interval Training, Cognitive Performance and Heart Rate Variability in Males and Females

No Sex Differences in Perceptual Responses to High-Intensity Interval Training or Sprint Interval Training

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