PHYSIO KNOWLEDGE1 on Instagram: "The biceps brachii is a major muscle of the front (anterior) part of the arm 🦾. It has two heads (long head & short head) that start from the scapula and join to form one muscle belly. Distally, it continues as a strong tendon that attaches to the radial tuberosity of the radius 🦴. 🔹 Main Functions: • Elbow flexion 🤲 (bending the elbow) • Forearm supination 🔄 (turning the palm upward) • Assists in shoulder flexion 🔹 Nerve Supply: • Musculocutaneous nerve (C