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Torso Muscles

Iliacus – Functional Anatomy

Overview The anatomy of the iliacus is the simplest of the hip flexors. Origin Iliac fossa of the ilium Insertion lesser trochanter of the femur Function flexion of the hip Innervation femoral nerve. The nerve root varies, depending on study from L1-L4 but always seems to involve L2-L3. Iliacus is the most direct and straightforward …

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Psoas Major – Functional Anatomy

Here you will find anatomy details on the psoas major. It fits into a larger group of muscles, the iliopsoas complex. There is a grid of related posts at the end of this post. Overview The anatomy of psoas major is complex, and its functions are fodder for endless bodywork discussions. Origin Psoas major originates …

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