Understanding the differences between hip flexion and extension can help people get the most out of their workouts and reduce the risk of injury.
The Ultimate Guide to Improving Hip Extension
ASFA Fitness Blog Fitness Topics & Tips -- Page 421
The hip Musculoskeletal Key
Flexion and Extension Anatomy Body Movement Terms
Improve Hip Flexion for Better Running
Flexion and Extension Anatomy Body Movement Terms
Flexion & Extension: In Detail - Tom Morrison
a) Single joint movements of hip flexion/extension, b)
Hip Extensors - Physiopedia
Limited hip range of motion causing back pain – Caring Medical Florida