The biceps muscle [Musculus biceps brachii] is a skeletal muscle of the upper arm. His two muscle heads arise from different parts of the scapula. The two muscle heads unite roughly where they will be visible to a single muscle belly and place below the elbow on to a strong muscular hump of the spoke. The biceps supination the forearm (rotation of the forearm). Furthermore, it bends the supinated forearm at the elbow.
Attack:
All kind of strikes, particular Hand edge strikes (Tegatana ate), Hammer fist strikes (Kentsui ate
Consequence:
Very painful bruise, the arm is temporarily not operational
Comment:
The strike must be placed precisely and hard, the impact direction should be perpendicular to the muscle to the humerus.