A powerful kick is essential for a fast sprint freestyle, and not just for propulsion. Here's why your legs matter more than ...

Researchers at University of Tsukuba have identified two fundamental coordination patterns underlying the underwater dolphin kick in swimmers: (1) the coordinated motion of the shank and foot and (2) ...

From Michael Phelps' 2008 world record to the mechanics behind elite movement in the water, this segment breaks down how body proportions, lung capacity, buoyancy and flexibility influence speed.

Tsukuba, Japan—The underwater dolphin kick is a swimming technique in which propulsion is generated solely through the undulatory motion of the lower limbs, increasing swimmers' speed by moving the ...