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Dr. Sama ul Haque

Muscles of Arm , Cubital fossa , and Elbow joint. Dr. Sama ul Haque. 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.

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Dr. Sama ul Haque

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  1. Muscles of Arm, Cubital fossa, and Elbow joint Dr. Sama ul Haque

  2. 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.

  3. Humerus and Scapula (Anterior view)

  4. Humerus and Scapula (Posterior view)

  5. Muscles of anterior Compartment of Arm

  6. Muscles of anterior Compartment of Arm

  7. Muscles of anterior Compartment of Arm

  8. Neurovasculature of anterior Compartment of Arm

  9. Muscles of posterior Compartment of Arm

  10. Muscles of Posterior Compartment of Arm

  11. Neurovasculature of Posterior Compartment of Arm

  12. Axillary and Brachial arteries

  13. Cubital Fossa • It lies anterior to the elbow: • Boundaries: • Pronator Teres (Medially) • Brachioradialis (Laterally) • Contents: (Lateral to Medial) • Biceps tendon & Aponeurosis • Brachial artery • Median nerve

  14. Cubital Fossa

  15. Cubital Fossa • Roof of cubital fossa • Median Cubital vein • Cephalic vein • Basilic vein • Floor of cubital fossa • Brachialis muscle • Supinator muscle

  16. Cubital Fossa

  17. Cubital Fossa

  18. Cubital Fossa (Site for IV injection)

  19. Course of nerves in anterior and posterior arm

  20. Axillary and Radial Nerves Axillary nerve supplies Deltoid muscle Teres Minor Skin over deltoid Axillary nerve Radial Nerve Posterior View

  21. Elbow joint Articulation Type Capsule Ligaments Movements

  22. Elbow joint

  23. Elbow joint

  24. Elbow joint (Lateral & Medial view)

  25. Elbow joint (Lateral & Medial view)

  26. Ligaments of Elbow

  27. Movements at Elbow joint At Elbow joint At Superior radioulnar joint

  28. Thank you

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