Crossfit-Based High-Intensity Power Training Improves Maximal Aerobic Fitness and Body Composition [RETRACTED]

Smith, Michael; Sommer, Allan; Starkoff, Brooke E.; Devor, Steven T.

doi:10.1519/jsc.0b013e318289e59f

Cited by 157 publications

(164 citation statements)

References 13 publications

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“…Nevertheless, the efficacy of this training method should also be considered. Smith, et al 19 reported improved aerobic capacity and decreased body fat percentage, as a result of 10 weeks of CrossFit training. However, Smith, et al 19 In fact, previous reviews of weight-training injuries suggest that the most common mechanism of injury is weights being dropped on a person (accounting for 65.5% of total injuries).…”

Section: Evidence-based Exercise Versus Fashionmentioning

confidence: 99%

“…Smith, et al 19 reported improved aerobic capacity and decreased body fat percentage, as a result of 10 weeks of CrossFit training. However, Smith, et al 19 In fact, previous reviews of weight-training injuries suggest that the most common mechanism of injury is weights being dropped on a person (accounting for 65.5% of total injuries). Of these, 90.4% were a result of using free weights, which are inherently unstable in nature with 23.6% accounting for fractures and dislocations.…”

Section: Evidence-based Exercise Versus Fashionmentioning

confidence: 99%

See 1 more Smart Citation

Primum non nocere: A commentary on avoidable injuries and safe resistance training techniques

Fisher¹,

Steele²,

Brzycki³

et al. 2014

Journal of Trainology

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Objectives:Recently attention has been brought to potentially unsafe training methods within the practice of resistance training. Thus purpose of this commentary is to highlight the importance of the moral injunction Primum non nocere, and of weighing risks to rewards of training methods, for those providing resistance training recommendations and practitioners of it as a training approach. Design & Methods: Narrative reviewResults: It appears that many popular resistance training methods that make use of either explosive movements or unstable platforms with heavy external loading may present an increased risk of injury. In addition they may not offer any greater improvements to measures of health and fitness above safer alternatives that utilise more controlled repetition durations and avoid use of unstable platforms. Indeed, as resistance type and load may not be as important for determining strength or hypertrophic adaptations as previously thought, nor does there appear to be much supporting evidence for the transfer of balance skills developed using unstable platforms to other movement skills, the necessity of such unsafe practices appears further questionable. Conclusions: It is recommended that persons wishing to engage in resistance training for the purposes of health and fitness whilst reducing risk of injury should utilise a controlled repetition duration that maintains muscular tension and avoid use of unstable platforms. Indeed, practices involving use of lower external loads, or even the absence of external loads such as bodyweight training or isometric co-contraction, may also be effective and may pose an even lower risk of injury.(Journal of Trainology 2014;3:31-34)

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Section: Evidence-based Exercise Versus Fashionmentioning

confidence: 99%

Section: Evidence-based Exercise Versus Fashionmentioning

confidence: 99%

Primum non nocere: A commentary on avoidable injuries and safe resistance training techniques

Fisher¹,

Steele²,

Brzycki³

et al. 2014

Journal of Trainology

View full text Add to dashboard Cite

show abstract

“…Despite the increased RT popularity, significant increases in the number of Physical Education (PE) professionals have been also observed in the past few years in Brazil. The scientific production in the RT area significantly increased in the last 20 years, and consequently, there has been a wide implementation of new training methods and techniques [4][5][6] . A variety of names has been adopted for the same resistance exercise [7][8][9] .…”

Section: Introductionmentioning

confidence: 99%

Comparison study of resistance exercise nomenclature adopted among professionals and undergraduate physical education students

Souza

Paz

Straatmann

et al. 2016

Rev. Bras. Cineantropom. Desempenho Hum.

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-In the past few years, increased popularity of resistance training (RT) and a significant increase in the number of professionals and undergraduate in Physical Education students have been observed. A variety of names has been usually adopted for the same resistance exercise in fields. The aim of the study was to compare the resistance exercise nomenclature adopted by physical education professionals and students, and also to identify the frequencies of names adopted for these resistance exercises. The study included 191 graduate students and active physical education professionals of RT centers and gyms in the state of Rio de Janeiro, Brazil. Ten exercises traditionally performed on RT programs were selected. The results indicated that there was no association between the nomenclature of exercises and academic degree for all exercises included in the survey. However, there was significant difference (p <0.001) among response frequencies for each exercise, for the whole sample. In this sense, this study enabled identifying significant differences in the nomenclature of resistance exercises. Therefore, nomenclature standardization is essential to establish a direction and clearness in communication among professionals.Key words: Exercise; Physical activity; PE; Strength training. Resumo -Nos últimos anos, observa-se um aumento significativo na popularidade do treinamento de força (TF), bem como aumento significativo no número de profissionais e estudantes de Educação Física no

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“…In particular, it has been asserted that for ballistic exercises such as the barbell clean, fatigue accrued from performing high-repetitions can readily prompt unsafe movement execution and lead to acute injury [1]. There is however, limited data investigating potential biomechanical changes when performing technically demanding resistance exercises for high-repetitions, especially under the instruction to complete the set of repetitions as fast as possible as is frequently the objective set in many popular extreme conditioning programs [1,4].…”

Section: Introductionmentioning

confidence: 99%

Kinetic and Kinematic Changes during a 30-Repetition Bout of the Barbell Clean

PA¹,

Shitanshi²

2016

J Athl Enhancement

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Crossfit-Based High-Intensity Power Training Improves Maximal Aerobic Fitness and Body Composition [RETRACTED]

Cited by 157 publications

References 13 publications

Primum non nocere: A commentary on avoidable injuries and safe resistance training techniques

Primum non nocere: A commentary on avoidable injuries and safe resistance training techniques

Comparison study of resistance exercise nomenclature adopted among professionals and undergraduate physical education students

Kinetic and Kinematic Changes during a 30-Repetition Bout of the Barbell Clean

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