Thoracic limb, superficial extrinsic muscles

Brachial plexus and nerves of upper limb

Posterior view of the upper arm showing the biceps and triceps muscles and their skeletal attachments.

Anterior view of lymphatic drainage of the upper limb.

Posterior view of the superficial muscles of the back; trapezius muscle is reflected on the left.

Anterior view of the upper arm showing the biceps and triceps muscles and their skeleal attachments.

Anterior view of ossification of bones of upper limb at birth.

Cross-section of forearm at level midway between elbow and wrist showing arrangement of muscles. Orientation drawing in upper left corner.

Posterior view of the bones of the upper limb showing muscle attachments.

Anterior view of the cutaneous nerves of the upper limb.

Bones of lower limb showing muscle attachments. B. Posterior view.

Cross-section of hand at level just above thumb showing arrangement of muscles, tendons and bones. Orientation drawing in upper left corner.

Upper limb muscles