Human Anatomy Vol 1

SURFACE MABKING, RADIOLOGICAL ANATOMY AND COMPARISON OF UPPER AND LOWER LIMBS

Radial artery

Median nerve

Superficial palmar branch

of radial artery

Branch to muscles of

thenar eminence

Princeps pollicis artery

Abductor pollicis brevis

Ftexor pollicis brevis

Radialis indicis artery

Ulnar artery

Ulnar nerve

Pisiform

Flexor retinaculum and hamate

For muscles of hypothenar eminence

Abductor digiti minimi

Flexor digiti minimi

Communicating branch between

ulnar and median nerves

middle of the posterior aspect of the head of the

radius to the dorsal tubercle at the lower end of the

radius or Lister's tubercle (Fig. 11.a).

. The third point on the back of the wrist 1 cm medial
to the dorsal tubercle.
Posterior interosseous nerve supplies the muscles of
posterior aspect of the forearm

Ulnol Nerve

fr: ffr*.4rs*

Ulnar nerve is marked by joining the following points.

. A point on the lateral wall of the axilla at its lower
limit (lower border of the teres major muscle)
(Fig. 11.7).
. The second point at the middle of the medial border
of the arm.
. The third point behind the base of the medial
epicondyle of the humerus.

Digital nerve and aftery

Arteries of the Hond I l

Fig. 11.5: Branches of median nerve and ulnar nerve in the palm. Superficial palmar arch is also shown

'1 Ulnar nerve

2. Radial nerve
   3 Median nerve

ll

E

=

oCL

CL

f

E

.s

oo

a

Fig. 11.6: Cutaneous
hand

nerve supply of palm and dorsum of