A person is doing leg flexion/extension exercises

Leg swings: flexion and extension – exer-pedia

The Best Inner-Thigh Workout Exercises At Home, According to Trainers

Leg extensions hi-res stock photography and images - Alamy

Anatomy of Leg Muscles — Plus, How to Make the Most of Leg Exercises

Premium Photo Woman doing flexible exercise flexion and extension of one leg

The 8 Best Leg Extension Alternatives to Build Huge Quads

5 Best Knee Extension Exercises (with Pictures!) - Inspire US

Pelvic Floor Exercises: Looped Elastic Band Hip Flexion Extension/Supine Marching

SOLVED: The person wearing a leg boot attached to a weight of 50 kg is doing lower leg flexion/extension exercises to strengthen the quadriceps muscles. The length of the lower leg from