Human Anatomy Vol 1

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Fig. 8.24: lnjury to radial nerve: (a) Saturday night palsy
crutch paralysis, and (b) Fracture of shaft of humerus

Axilla

1. Radial nerve


2. Posterior cutaneous nerve of arm


3. Long head of tricepsbrachii


4. Medial head of triceps brachii
   Radial sulcus


5. Lateral head oftriceps brachii


6. Lower lateral cutaneous nerve of arm


7. Posterior cutaneous nerve offorearm


8. Medial head of triceps brachii


9. Anconeus
   Lower lateral side of arm
   10. Proprioceptive fibres to brachialis
   11. Brachioradialis


10. Extensorcarpi radialis longus
    Deep branch
    1 3. Deep branch of radial nerve


11. Extensorcarpi radialis brevis


12. Supinator
    1 6. Deep branch for supply of muscles of back offorearm
    Superficial branch


13. Superficial branch of radial nerve


14. Cutaneous branches in anatomical snuff box, to lateral half of dorsum of
    hand and digital branches to lateral two and half digits except the terminal
    portions

Fig. 8.23: Distribution of right radial nerve

ARM

Fig.8.25: Wrist drop

PROFUNDA B CHII ARTERY

Profr-rnda brachii artery is a large branch, arising just

below the teres major. It accompanies the radial nerve

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