Video with mostly drawn illustrations of flexion and extension of the hip and knee joints; The hip flexors, quadraceps, hanstrings and the gluteus maximus are the main muscles of these functions. There are some exercises on how to strengthen those muscles.

Iliopsoas Muscle: Action / Function, Anatomy & Innervation - Human Anatomy | Kenhub

The iliopsoas is a compound muscle which formed by the iliacus and psoas major muscles. It originates from the lumbar vertebral column and hip bone, and has …
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