The main extension muscles of wrist is ..
ECRL
ECRB
ECU
Action of ECRL , ECRB is
Extension of wrest
Radial flexion abd of wrest
ECRL don't originate from the commen extensor
True
ECRL + brachoradials origin from Lateral supraconyalar
In strong grep or fist wrist extend contract to
Stabilize hand
2. Balance out force of FDS ,FDP
Why the lesion of radial nerve not affect ECRL
Cuzco it supply from the radial nerve above elbow
ADl of all extension is
Strong grep , hummer use , tennis backhand , typing
Come injer of wrist extensor is
Repatitve stress Ingersoll (tennis Bachhand swing )
IN ECRL ,ECRB the main syndrome I
DeQuervain`s syndrome
Fiber of ECRB BLEND whith radial collateral ligament
In ECRB ,ECU irritation at Lateral epicondyle tendon cuse
Lateral epicondylatiis ( tennis elbow )
The main action of ECU is
Ulnar deviation
Last changed4 months ago