System: Musculoskeletal


The clavicle is a curved bone connecting the trunk to the arm. Covered in this tutorial: medial end, lateral end, shaft, ligaments, and muscle attachments.
clavicle anatomy


The ulna is a long bone located medially in the forearm. This tutorial reviews the following anatomy: proximal ulna, shaft, and distal ulna.
ulna anatomy

Radius (Bone)

Learn about the anatomy of the radius – head, neck, shaft, distal radius, muscle attachments, articulations and key anatomical relations.
radius anatomy


The scapula connects the humerus with the clavicle and forms the back of the shoulder (pectoral) girdle. It is a flat triangular shaped bone located posterolaterally on the thoracic cage.
Scapula - Interactive 3D Anatomy

Brachialis Muscle

The brachialis is the deepest muscle of the three muscles within the anterior compartment of the arm. The other muscles are the biceps brachii and the coracobrachialis.
brachialis muscle tutorial

Coracobrachialis Muscle

The coracobrachialis is one of 3 muscles in the anterior compartment of the arm. The other two muscles are the biceps brachii and the brachialis.

Biceps Brachii Muscle

Interactive 3D model and summary notes on the anatomy of the biceps brachii muscle covering its origin, insertion, action, innervation and blood supply.
Biceps Brachii 3D anatomy

Popliteal Fossa

Learn about the anatomy of the popliteal fossa using this interactive 3D module and narrated video tutorial.
Popliteal Fossa 3D Anatomy

Cranial Fossae

The floor of the cranial cavity is formed by three cranial fossae: Anterior cranial fossa: houses the frontal lobes of the brainMiddle cranial fossa: houses the temporal lobes of the brainPosterior cranial fossa: houses the brainstem and cerebellum