EXTRINSIC MUSCLES OF THUMB( HAND COMPLEX BIOMECHANICS)Physiotherapy

EXTRINSIC MUSCLES OF THUMB ( HAND COMPLEX BIOMECHANICS)Physiotherapy Tutorials

diagram credits/reference : Cynthia Norkins textbook

PICTURE CREDIT: ken hub .com

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Reference book for this video :Cynthia Norkin
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summary of the video with the time for reference:

1. FPL
FLEXOR
POLLICIS LONGUS
VOLAR
DISTAL PHALANX
THUMB AND IP
JOINT FLEXION
PASSES BETWEEN
SESAMOIDAL BONES

2.EPL
EXTENSOR
POLLICIS LONGUS
DORSAL
BASE OF
DISTAL PHALANX
HYPEREXTENSION AT
IP JOINT
AND EXTENSION AT MCP



3.EPB
EXTENSOR
POLLICIS BRAVIS
DORSAL
BASE OF
PROXIMAL PHALANX
EXTENSION AT MCP
RADIAL DEVIATION AT WRIST AND ABD AT CMC

4. APL
ABDUCTOR
POLLICIS LONGUS
DORSAL
BASE OF
MCP JOINT
RADIAL DEVIATION AT WRIST AND ABD AT CMC

5.ACTIVE INSUFFICIENCY OF FPL AND EPL AT FINGER/WRIST AND NEED OF ULNAR DEVIATION SYNERGY



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