Dr. Sama ul Haque
Muscles of Arm, Cubital fossa,
and Elbow joint
Objectives
Discuss the muscles of anterior and posterior
compartment of arm in terms of their origin, insertion,
nerve supply and actions.
Know the location and boundaries of the Cubital fossa.
Understand the formation of the elbow joint and its type.
Know the movements of flexion and extension at the
elbow joint.
Explain the articulation of the elbow joint with radius and
ulna.
Humerus and Scapula (Anterior view)
Humerus and Scapula (Posterior view)
Muscles of anterior Compartment of Arm
Muscles of anterior Compartment of Arm
Muscles of anterior Compartment of Arm
Neurovasculature of anterior Compartment of Arm
Muscles of posterior Compartment of Arm
Muscles of Posterior Compartment of Arm
Neurovasculature of Posterior Compartment of Arm
Axillary and Brachial arteries
It lies anterior to the elbow: Boundaries: Pronator Teres (Medially) Brachioradialis (Laterally)
Contents: (Lateral to Medial) Biceps tendon & Aponeurosis Brachial artery Median nerve
Cubital Fossa
Cubital Fossa
Cubital Fossa
Roof of cubital fossa • Median Cubital vein• Cephalic vein• Basilic vein
Floor of cubital fossa• Brachialis muscle• Supinator muscle
Cubital Fossa
Cubital Fossa
Cubital Fossa (Site for IV injection)
Course of nerves in anterior and posterior arm
Axillary and Radial Nerves
Radial Nerve
Axillary nerve
Posterior View
Axillary nerve suppliesDeltoid muscleTeres MinorSkin over deltoid
Elbow joint
• Articulation• Type• Capsule• Ligaments•Movements
Elbow joint
Elbow joint
Elbow joint (Lateral & Medial view)
Elbow joint (Lateral & Medial view)
Ligaments of Elbow
Movements at Elbow joint
At Elbow joint At Superior radioulnar joint
Thank you