Avascular necrosis (AVN) of the scaphoid in children is very rare and there is currently no consensus when conservative or operative treatment is indicated.

Most of the available literature related to aspects of sleep-deprivation is primarily focused on memory and learning and studies regarding its effects on selective- attention and/or physical performance especially the isometric-force are scarce.

To investigate the involvement of the primary motor cortex (M1) in the coordination performance of karate athletes through transcranial magnetic stimulation (TMS).

Anticipation is an important performance factor in karate kumite.

The purpose of this study was to quantify the training loads reported by karate athletes of the National Team in the week immediately prior to their participation in the 2015 Pan American Games.

Prospective studies on injuries in martial arts competition are scarce, especially those involving young practitioners, but the upsurge of children and adolescents taking part in organized training and competition in these sports requires clarification of the injury risk that they represent for youths.

Facial trauma in sports has been associated with temporomandibular disorders. Because of the intensity and duration of training needed for elite-level competitions, high-performance athletes can have two to five times more traumatic injuries than recreational athletes. This study aimed to investigate the prevalence of temporomandibular disorders in high-performance martial arts fighters and compare it with the prevalence in recreational athletes and non-athletes.

In karate, balance control represents a key performance determinant. With the hypothesis that high-level athletes display advanced balance abilities, the purpose of the current study was to quantitatively investigate the motor strategies adopted by elite and non-elite karateka to maintain balance control in competition.

“Small sided games,” used effectively in many team sports as a form of training, can be mimicked in combat sports by fighting at different subjective intensities, based on adjectives proposed by coaches.

Karate is one the most popular combat sports in the world. Physical fitness assessment on a regular manner is important for monitoring the effectiveness of the training program and the readiness of karatekas to compete.

The research was conducted with the aim of determining gender differentiations of some anthropological characteristics of male and female cadet karate players.

This study aimed to evaluate the relationship between physiological, and parameters of performance analysis during karate contest.


Nine elite-level karate athletes participated in this study. Saliva sample was collected pre and post-karate combat.

Karate is a martial art that carries a high trauma risk. Trauma-related Swiss and European karate data are currently unavailable.

Training in martial arts is commonly performed by repeating a technical action continuously for a given number of times.