Dr. Kevin Yip

Dr Kevin Yip
Orthopaedic Surgeon
MBBS(UK), FRCS(EDIN), FAM(SING), FHKCOS(ORTHO)

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Palpation of soft tissue

Radius and ulna can be identified. At the distal and ulnar side of the ulna a bony prominence can be felt: the pisiform bone. Put the interphalangeal joint of the thumb onto the pisiform and direct the thumb towards the base of the
index finger of the subject. Flex the thumb and feel its tip touch the hook of hamate through the muscles of the hypothenar.Tightening can be felt of the ulnar collateral Ligament, which goes towards the A triquetral bone.

Ask the subject to move the hand towards the ulnar side and to extend the wrist sUghtiy. Along the distal part of the ulna the tendon of the extensor carpi ulnaris is palpable.At the distal end of the radius the prominent tubercle of scaphoid is well palpable. Put the interphalangeal joint of the thumb onto the scaphoid’s tubercle and direct the thumb towards the base of the thumb. Flex the thumb and feel its tip touch the trapezium bone. Laterally and distal to it lies the base of the first metacarpal.When the finger moves from the scaphoid in the direction of the index finger, the base of the second metacarpal bone can be palpated through
the muscles of the thenar.

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