Muscles of the Shoulder Region

Illustration of the superficial muscles of the back, highlighting their anatomical positions.

The Extrinsic Muscles of the Shoulder

Illustration of the rotator cuff muscles that stabilize the shoulder joint.

The Intrinsic Muscles of the Shoulder

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Illustration depicting the deep muscles of the gluteal region, including the quadratus femoris, obturator internus, piriformis, and gemelli muscles.
Encyclopaedia

Gemelli Muscles

by Dr Oliver Jones

Diagram showing the anatomical course of the femoral nerve and its two cutaneous branches: anterior cutaneous fibers and saphenous nerve.
Encyclopaedia

Saphenous Nerve

by Sharanya Bhaskaran

Encyclopaedia

Vastus Lateralis

by Roxanne Salkeld