Effect of rapid weight loss on performance in combat sport male athletes: does adaptation to chronic weight cycling play a role?

Mendes, Sandro Henrique; Tritto, Aline C.; Guilherme, João Paulo Limongi França; Solis, Marina Yázigi; Vieira, Douglas E.B.; Franchini, Émerson; Lancha, Antônio Herbert; Artioli, Guilherme Giannini

doi:10.1136/bjsports-2013-092689

Cited by 65 publications

(80 citation statements)

References 31 publications

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“…As stated in our original paper, we are aware that most studies show that RWL either decreases selected physical capacities or does not influence them. Most studies show that RWL is not detrimental to performance when athletes have a minimum of ~3h to recover from RWL; we have shown similar findings in two studies conducted by our group [30,31]. Since competitions in most combat sports allow athletes to recover for 3h or longer periods, it is clear that the lack of effects on physical capacities may become a true competitive advantage against smaller and weaker opponents in a lighter weight division.…”

Section: Dear Editorsupporting

confidence: 84%

Authors’ Reply to Davis: “It is Time to Ban Rapid Weight Loss from Combat Sports”

Artioli

Saunders

Iglesias³

et al. 2017

Sports Med

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Section: Dear Editorsupporting

confidence: 84%

Authors’ Reply to Davis: “It is Time to Ban Rapid Weight Loss from Combat Sports”

Artioli

Saunders

Iglesias³

et al. 2017

Sports Med

Self Cite

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“…In this regard, combat events are more fascinated worlwide in a way that 25% of the Olympic medals are devoted to combat sports (1).…”

Section: Introductionmentioning

confidence: 99%

Prevalence of Rapid Weight Loss and Its Effects on Elite Cadet Wrestlers Participated in the Final Stage of National Championships

Abadi

Mirzaei

Habibi

et al. 2017

Int J Sport Stud Hlth

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Objectives: The aim of this study was to investigate the prevalence of rapid weight loss (RWL) and its effects on elite cadet wrestlers participated in the final stage of Iran national championships. Methods:The wrestlers comprised of 56 adolescents (25 freestyle and 31 Greco-Roman wrestlers). They were divided into three weight groups including light (50.80 ± 5.27 kg), middle (63.74 ± 4.94) and heavy weight (88.26 ± 10.51 kg). Their mean age were 16 ± 0.72; 16.82 ± 0.63 and 16.42 ± 0.69 years) respectively. Prevalence of RWL and its effects were assessed using the standard Oppliger questionnaire. In addition to the extracted data from questionnaire, wrestlers' body weights were measured in the morning of competition day and its difference with the weight at the weigh-in time was calculated as a marker of their normal body weight. This index was applied for the first time in Iran and all the wrestlers participated in this part of investigation. Results:The maximum weight loss (MWL) among light, middle and heavy weight groups were 3.95 ± 1.31, 4.47 ± 1.53 and 5.07 ± 1.32 kg respectively. The results suggested that the rate of weight loss in light, middle and heavy weight groups were 3.09 ± 1.56, 2.64 ± 1.34 and 2.12 ± 1.41 kg respectively. The results indicated that increasing the level of physical activity in order to achieve ideal body weight besides the gradual dieting was the most prevalent method for weight loss, and dizziness, muscle cramp and irritability were respectively the most frequent side effects caused by RWL. Conclusions:Being aware of common ways used for weight loss among wrestlers can help coaches and athletes do the weight loss process more effectively.

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“…However, those studies only investigated weight-cycler athletes. Mendes et al [12] found no significant differences in the impairment of performance (power output in the upper body) between weight-cycler and non-weight-cycler athletes. Both groups reduced 5% of their body weight in 5 days, indicating that chronic weight cycling did not protect athletes from the negative impact of rWL on performance.…”

Section: Introductionmentioning

confidence: 99%

Methods and magnitudes of rapid weight loss in judo athletes over pre-competition periods

Kons¹,

Athayde²,

Follmer³

et al. 2018

Hum Mov.

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Purpose. The study aimed to analyse the methods and magnitudes of rapid weight loss (rWL) in judo team members in distinct periods before the biggest state competition in Southern Brazil. Methods. Twelve male judo athletes took part in the study. The data collection was performed in three periods: (1) three months before the biggest state competition, (2) one week before the competition, (3) the day prior to the event. Anthropometric assessment and the rapid Weight Loss Questionnaire were performed. Student's t-test and ANOVA were applied, with the significance level set at p < 0.05. Results. The main results showed that the majority of athletes reduced 7.1 ± 6.8 kg and started to lose weight to compete 13-16 years earlier. Increasing exercises (91.7%) and restricting fluid intake (41.7%) were the most frequent methods of weight loss. The judo coach/sensei was the person who most influenced the rWL procedure (58.3%). The athletes reduced 5% of their body weight (p < 0.01), 2.4% of their body fat (p < 0.01), and 2% of their fat-free mass (p = 0.04). Conclusions. We conclude that rWL was a common and premature practice in the athletes in the study. The most common methods were increasing exercise volume and restricting fluid and food intake. The coach/sensei was the most influential person in this practice. The judo athletes presented decreases in body fat and fat-free mass during the period prior to the competition.

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Effect of rapid weight loss on performance in combat sport male athletes: does adaptation to chronic weight cycling play a role?

Abstract: Chronic weight cycling does not protect athletes from the negative impact of RWL on performance. The time to recover after weigh-in and the patterns of food and fluid ingestion during this period is likely to play the major role in restoring performance to baseline levels.

Cited by 65 publications

References 31 publications

Authors’ Reply to Davis: “It is Time to Ban Rapid Weight Loss from Combat Sports”

Authors’ Reply to Davis: “It is Time to Ban Rapid Weight Loss from Combat Sports”

Prevalence of Rapid Weight Loss and Its Effects on Elite Cadet Wrestlers Participated in the Final Stage of National Championships

Methods and magnitudes of rapid weight loss in judo athletes over pre-competition periods

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