Extensor pollicis brevis muscle

Flexor muscles, hand and fingers

Superficial muscles of the posterior forearm.

Deep muscles on the posterior forearm.

Extensor muscles of the forearm on transverse section.

Superficial and deep muscles of the posterior forearm.

Lateral aspect of leg and foot. B. Muscles, anterolateral view.

Posterior view of the thigh showing the semimembranosus muscle, semitentinosus muscle and their skeletal attachments.

Transverse section of proximal phalanx.

Posterior view of the muscles of the right arm (deep extensor muscles of the forearm).

Posterior view of the muscles of the right arm (triceps brachii muscle, interosseus muscles and the superficial extensor muscles of the forearm).

The profundus tendons pierces the superficialis tendon. Lumbrical muscles originate from the profundus tendon and insert into the extensor expansion.

Finger extensor muscles