Background: Kickboxing is a combat sport where athletes require constant supervision of a
coach. The outbreak of the pandemic caused by SARS-CoV-2 has led to a crisis in many …

Sports analytics has captured increasing attention since analysis of the various data enables
insights for training strategies, player evaluation, etc. In this paper, we focus on predicting …

Background: Kickboxing is a combat sport that is complex in technique, tactics, and
movement structure, and requires an adequate level of motor skills as a foundation for …

Background: Ju-jitsu training has to be comprehensive in terms of training intensity,
developing a wide range of physical fitness and learning multiple technical skills. These …

Background and Study Aim Combat sports are among the most popular sports nowadays.
Scientific support of combat sports is one of the urgent tasks of modern sports science. The …

Background: Kickboxing is a combat sport with various forms of competition. Kickboxing
according to the K1 rules is one of the most interesting and quickly developing forms of …

Juvenile idiopathic arthritis (JIA) represents a significant challenge for pediatricians who
intend to diagnose and treat this pathology. The classification criteria for JIA subtypes are …

Background: Intensive physical activity largely modulates resting concentrations of blood
cortisol (C) and testosterone (T) and their molar ratio, which is defined as the anabolic …

Background A number of specific tests are used to standardize competition performance.
Specific Judo fitness test (SJFT) can be applied by considering the start of the competition …

The basis for achieving success in sport is technical preparation supported by adequate
level of physical fitness. During judo competitions, athletes use technique to meet tactical …