Effects of very short rest periods on testosterone to cortisol ratio during heavy resistance exercise in men

Rahimi, Rahman; Rohani, Hadi; Ebrahimi, Mohsen

doi:10.1016/j.apunts.2011.03.002

Cited by 8 publications

(8 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Changes in this ratio are responsible for several training responses such as hypertrophy and strength gain. 33 The findings of the present study indicate that the plasma T/C ratio increased in the athletes who were active in strength training either in the morning or in the afternoon. In contrary, submission of athletes to two training sittings leads to significant decreases.…”

Section: Testosterone/cortisol (T/c) Ratiosupporting

confidence: 48%

Effects of time-of-day strength training on plasma testosterone and cortisol concentrations in male amateur athletes

et al. 2019

View full text Add to dashboard Cite

BACKGROUND:The purpose of the present study was to examine the effects of time-ofday-strength training on plasma testosterone (T) and cortisol (C) concentrations in male amateur athletes. METHODS: Forty five male athletes (age, 21.2±0.3 years; height, 1.75±0.14 m; weight, 72±1.52 kg) participated in the present study. They were subjected to strength training of the knee extensor and flexor muscles. Following this, they were randomly assigned into three groups: morning strength training group (MSTG, 07:00-08:00 hours, n=15), afternoon strength training group (ASTG, 16:00-17:00 hours, n=15) and morning and afternoon strength training group (MASTG, 07:00-08:00 and 16:00-17:00 hours, n=15). The concentration of T and C for each athlete was collected in all three conditions in the morning, noon and afternoon, before and after 8 weeks of strength training. The effects of group, time of the day and pre-to post-training were verified by a 3-way analysis of variance with repeated measures. RESULTS: Our results indicate that strength training induces an increase of plasma T/C ratio in both groups of athletes who have always trained for only one session per day mainly in the afternoon compared with the MASTG (P < 0.05). However, a reduction of the plasma T/C ratio was observed in the athletes who have always trained successively in the morning and in the afternoon (P < 0.05). Plasma T/C ratio exhibit circadian rhythmicity in all groups showing a low level in the morning, whereas in the afternoon an increased value was more noted (P < 0.05). CONCLUSIONS: From an applied perspective, this study suggests that amateur athletes should train at the afternoon to maximize their performance gain.

show abstract

Section: Testosterone/cortisol (T/c) Ratiosupporting

confidence: 48%

Effects of time-of-day strength training on plasma testosterone and cortisol concentrations in male amateur athletes

et al. 2019

View full text Add to dashboard Cite

show abstract

“…The duration of rest intervals between exercises may also have a significant impact on hormonal responses in players [41,42]. Rahimi, Rohani and Ebrahimi [42] showed that 120 s rest periods between resistance training sessions were linked to higher testosterone levels and lower cortisol levels than 60 and 90 s rest intervals. This can be evidence of a more beneficial anabolic effect of a longer rest period in this type of exercise, as confirmed in the present study.…”

Section: Discussionmentioning

confidence: 99%

“…The TT/C ratio has been reported as an indicator of anabolic/catabolic homeostasis and overtraining [6,[34][35][36][37][38][39][40][41][42][43][44][45]. These authors assert that the ratio between these two hormones is known as the free testosterone/cortisol ratio (FT/C), and that free testosterone is defined as testosterone not linked to any proteins.…”

Section: Discussionmentioning

confidence: 99%

Endocrine Responses to Various 1 × 1 Small-Sided Games in Youth Soccer Players

Chmura

Podgórski²,

Konefał

et al. 2019

IJERPH

View full text Add to dashboard Cite

The aim of this study was to determine relationships between repeated 1 × 1 small-sided games (SSGs) (variable duration, constant work-to-rest ratio) and the concentration of steroid hormones and characteristic fatigue markers in youth soccer players. Eighteen young male soccer players were assigned at random to two experimental groups: E1—undertaking a six 30 s one-on-one SSGs with a 2 min rest period; and E2—playing six 45 s SSGs with a 3 min rest interval. Capillary blood was collected from the players at rest, after the last game, and 15 and 30 min after the exercise protocol. The variables assessed included serum cortisol (C), free testosterone (FT) and total testosterone (TT). An effect was observed between the measurement times (TT (F = 15.26, p ≤ 0.0001), FT (F = 6.86, p = 0.0006)). In terms of cortisol (C) levels, no interactions or effect between the studied groups were revealed, but an interaction was found (F = 4.01, p = 0.0126) and the effect appeared between the measurement times (F = 11.16, p ≤ 0.0001). The study results show that in all likelihood, longer rest intervals in repeated 30 s 1 × 1 SSGs can reduce catabolic reactions and hence the risk of overtraining in youth soccer players.

show abstract

“…Another reason for this may be that the serum was taken 24 h aer the rat's exhaustive test, and the fatigue of the exercise stress in the rats was fully restored, resulting in a stable level of TTE and COR. Rahimi et al 31 have shown that during high-intensity endurance training, TTE/COR ratio of long-term resting was higher than that of short-term resting, which was helpful in the stable maintenance of TTE and COR levels. In addition, supplementation of wheat peptides in this study showed no signicant effect on TTE and COR levels.…”

Section: Effect Of Wheat Peptides On Exercise Ability and Fatigue Resmentioning

confidence: 99%

Effects of wheat peptide supplementation on anti-fatigue and immunoregulation during incremental swimming exercise in rats

Zheng

Yang

Jin³

et al. 2017

RSC Adv.

View full text Add to dashboard Cite

show abstract

Effects of very short rest periods on testosterone to cortisol ratio during heavy resistance exercise in men

Cited by 8 publications

References 23 publications

Effects of time-of-day strength training on plasma testosterone and cortisol concentrations in male amateur athletes

Effects of time-of-day strength training on plasma testosterone and cortisol concentrations in male amateur athletes

Endocrine Responses to Various 1 × 1 Small-Sided Games in Youth Soccer Players

Effects of wheat peptide supplementation on anti-fatigue and immunoregulation during incremental swimming exercise in rats

Contact Info

Product

Resources

About