A current examine in contrast backstroke begin joint extension sequences (Nara, Ikeda, Shimojo, Sato , Ichikawa, Baba & Shimoyama, 2021). Female and male, grownup, nationwide caliber swimmers had been examined utilizing three totally different leg extension protocols:
- prolong the hips earlier than the knees,
- prolong the hips and knees concurrently, and
- prolong the knees earlier than the hips.
Extending the knees earlier than the hips was considerably slower than the opposite two choices, as proven within the graph under. The graph additionally exhibits the angles on the hip and knee when the toes left the wall. The info help the worth of extending the hips earlier than the knees.