UPPER LIMB - EASY

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Across
  1. 2. Fracture of the humerus usually occurs here. (Hint: posterior circumflex artery and axillary nerve is endangered)
  2. 7. This artery runs along the radial groove on the shaft of the humerus.
  3. 9. This nerve supplies latissimus dorsi and is a branch of the posterior cord of the brachial plexus (infraclavicular branch)
  4. 11. This pronator muscle is located in the deep layer of the anterior compartment of the forearm.
  5. 12. Direction that the humerus is most likely to dislocate.
  6. 13. The muscle most directly responsible for elevating a fractured clavicle.
  7. 15. Injury to this nerve results in wrist drop.
  8. 16. Support for the glenohumeral joint is mainly provided by these.
  9. 17. Bone that lies on palmar surface of triquetrum.
  10. 19. Sensation over the inferior portion of the deltoid is supplied by this nerve.
  11. 20. “Tennis elbow” affects this epicondyle.
  12. 21. Number of tendons passing through carpal tunnel.
Down
  1. 1. Muscle in the superficial layer of the anterior compartment of the forearm which is supplied by the ulnar nerve.
  2. 3. Both the dorsal and palmar interossei muscles are supplied by this nerve. (Hint: dorsal interossei muscle wasting can occur when a lung carcinoma / Pancoast tumour compresses the T1 nerve root)
  3. 4. Dermatome located over middle finger.
  4. 5. This nerve supplies the entire palmar surface. (Hint: its palmar cutaneous branch arises proximal to the flexor retinaculum and hence is not affect by carpal tunnel syndrome)
  5. 6. First long bone to ossify, but last to fuse.
  6. 8. Fracture to surgical neck of humerus places this artery at risk of damage.
  7. 10. Winging of scapula is caused by damage to this nerve. (Hint: supplies serratus anterior)
  8. 13. ‘Waiter’s tip position’ often results from damage to this part of the brachial plexus. (Hint: injuries occur from increasing the angle between the neck and shoulder – e.g. thrown from a horse and landing on shoulder)
  9. 14. This nerve supplies biceps brachii, coracobrachialis and brachialis.
  10. 18. Structure that is mainly comprised of fat, is the major passage for things entering the arm, and is bounded medially by the pectoralis major and minor.