The effects of the intake of an isotonic sports drink before orienteering competitions on skeletal muscle damage

Çolakoğlu, Filiz Fatma; Çayci, Banu; Yaman, Metin; Karacan, Selma; Gönülateş, Süleyman; İpekoğlu, Gökhan; Er, Fatmanur

doi:10.1589/jpts.28.3200

Cited by 18 publications

(12 citation statements)

References 19 publications

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“…The researchers found that power output was maintained throughout a training session consisting of three 5-km hill repeats, whereas when these cyclists consumed water ad libitum, their power output dropped with each successive repeat [ 13 ]. Other studies have examined the effects of isotonic beverages on sports performance, yet often compare such beverages to water [ 29 – 31 ]. This presents the obvious issue of accounting for any carbohydrate effect as most commercially available sports drinks are 6–10% carbohydrate solutions mixed with several electrolytes, among them sodium.…”

Section: Discussionmentioning

confidence: 99%

Individualized hydration plans improve performance outcomes for collegiate athletes engaging in in-season training

Ayotte

Corcoran

2018

Journal of the International Society of Sports Nutrition

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BackgroundAthletes commonly consume insufficient fluid and electrolytes just prior to, or during training and competition. Unlike non-athletes or athletes who do not engage in frequent rigorous and prolonged training sessions, “hard trainers” may require additional sodium and better benefit from a hydration plan tailored to their individual physiology. The purpose of this randomized cross-over study was to determine whether a hydration plan based off of an athlete’s sweat rate and sodium loss improves anaerobic and neurocognitive performance during a moderate to hard training session as well as heart rate recovery from this session.MethodsCollegiate athletes who were injury free and could exercise at ≥ 75% of their maximum heart rate for a minimum of 45 min were recruited for this randomized, cross-over study. After completing a questionnaire assessing hydration habits, participants were randomized either to a prescription hydration plan (PHP), which considered sweat rate and sodium loss or instructed to follow their normal ad libitum hydration habits (NHP) during training. Attention and awareness, as well as lower body anaerobic power (standing long jump) were assessed immediately before and after a moderate to hard training session of ≥ 45 min. Heart rate recovery was also measured. After a washout period of 7 days, the PHP group repeated the training bout with their normal hydration routine, while the NHP group were provided with a PHP plan and were assessed as previously described.ResultsFifteen athletes from three different sports, aged 20 ± 0.85 years, participated in this study. Most participants reported feeling somewhat or very dehydrated after a typical training session. Compared to their NHP, participants following a PHP jumped 4.53 ± 3.80 in. farther, tracked moving objects 0.36 ± 0.60 m/second faster, and exhibited a faster heart rate recovery following a moderate to hard training session of 45–120 min in duration.ConclusionA tailored hydration plan, based on an athlete’s fluid and sodium loss has the potential to improve anaerobic power, attention and awareness, and heart rate recovery time.

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Section: Discussionmentioning

confidence: 99%

Individualized hydration plans improve performance outcomes for collegiate athletes engaging in in-season training

Ayotte

Corcoran

2018

Journal of the International Society of Sports Nutrition

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“…The blood samples were first centrifuged at a rate of 5000 revolution/minute and the upper phases were transferred to eppendorf tubes and kept at -80 C until the use [17]. Serum epinephrine and nor-epinephrine levels of all subjects were analyzed PRE-POST.…”

Section: Methodsmentioning

confidence: 99%

Does chronic smoking affect induced-exercise catecholamine release?

İpekoğlu

Sever

Gönülateş

et al. 2017

Int J Appl Exerc Physiol

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Introduction and objectives:This study was performed to investigate the acute effect of the submaximal aerobic exercise upon epinephrine and nor-epinephrine levels in chronic smokers and non-smoker. The study was carried out upon 10 regular (15> cigarettes/day) smoker untrained male along five years and 10 never smoker untrained male. Methods: Subjects performed an endurance exercise that continues 40 minutes at 70% maximal heart rate. There were 15cc venous blood samples extracted from the forearm pre-exercise (PRE), post-exercise (POST), postexercise 2 hours (2h), post-exercise 24 hours (24h) to measure of epinephrine and nor-epinephrine levels. Results: The plasma level of each hormone increased after exercise and the tendency of rise was similar between groups as it seen in which 55,6% and 54,68% for epinephrine and 27,1% and 35,7% for norepinephrine. In this respect no group-time relationship has been found (p>0,05). But in between-group analyses, basal and after exercise levels were different (p<0,05). Discussion and conclusion: The study revealed the fact that, smokers have higher plasma levels of epinephrine and norepinephrine before and after exercise. The results demonstrate that long-term smoking induces elevate baseline and post-aerobic submaximal exercise plasma epinephrine and nor-epinephrine levels. The sympatho-adrenal activity appears to be disrupt with long-term smoking which effect the glycolytic and fat metabolism during exercise.

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“…Research showed that this popular method heals post-exercise muscle damage. Although there is very few research, the studies conducted focused on postexercise muscle damage and showed different results in terms of its effectiveness [15,16].…”

Section: Electrostimulation and Core Exercises On Recovery Vol 6 (4)mentioning

confidence: 99%

The Effects of Electrostimulation and Core Exercises on Recovery After High-Intensity Exercise

Mor

İpekoğlu

Arslanoğlu

et al. 2017

Int J Appl Exerc Physiol

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Introduction and objectives:The purpose of this study was to determine the effects of electrostimulation and core exercises on recovery after high-intensity exercise. Methods: The participants of this study consists of 12 male bodybuilders who regularly train and between the ages 18-30. Tabata high intensity interval training (HIIT) was applied with different recovery methods to the athletes on three different days and the recovery levels of athletes were analyzed. Heart rate and blood lactate levels were measured at baseline (PRE) at immediately after the HIIT (POST), at the 1 minutes after HIIT (1min), at the 5 minutes after HIIT (5min), and at the 10 minutes after HIIT (10min). On the rest days, serum lactate dehydrogenase (LDH) and serum creatine kinase (CK) measurements were done to determine the muscle damage. Results: The ingroup comparisons for lactate levels showed no significant difference (p>0,01). The level of lactate on the 10min was found to be significantly lower than the 5min in the core exercise group (p<0,01). Similarly in the electrostimulation group, 10m lactate levels are significantly lower than 5min (p<0,01). There were no statistically significant differences in the heart rate measurements (p<0,01). The results showed no statistically significant difference between the groups although the averages of LDH and CK showed variations (p>0,01). These results show that the lactate level reaches to the maximum level after HIIT, and the level of lactate decreases between the 5th and the 10th minutes. Discussion and conclusion:These indicate that the active recovery methods are more effective than the passive. It was found that the active recovery methods accelerate the lactate removal from the metabolism and provide effective recovery in short time during the recovery period after exercise.

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The effects of the intake of an isotonic sports drink before orienteering competitions on skeletal muscle damage

Cited by 18 publications

References 19 publications

Individualized hydration plans improve performance outcomes for collegiate athletes engaging in in-season training

Individualized hydration plans improve performance outcomes for collegiate athletes engaging in in-season training

Does chronic smoking affect induced-exercise catecholamine release?

The Effects of Electrostimulation and Core Exercises on Recovery After High-Intensity Exercise

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