By definition, freestyle events permit athletes to use any style of swimming they choose. However, one technique, the front ...

Tsukuba, Japan—In competitive swimming, both upper- and lower‑limb motions play important roles in propulsion. Extensive research has focused on the dolphin kick used in the butterfly stroke, ...

In the world of fitness training and healthy lifestyle habits, flutter kicks are widely recognized as one of the most effective exercises for targeting the lower abdominal muscles and hip flexors. U.S ...