Q____________Upper limb==q58 - miracoli

[ArchivalUser]

A 50yrs old woman visits the outpatient clinic with a neurologic problem. During PE she cannot hold a piece of paper between her thumb and the lateral side of her index finger without flexing the distal joint of her thumb. Weakness of which specific muscle causes this sign to appear?
A. Flexor pollicis longus
B. Adductor pollicis
C. First lumbrical
D. Palmar interosseus
E. Extensor indicis
F. Flexor pollicis brevis

[ArchivalUser]

ans is B

[ArchivalUser]

b......thnx for d q

[ArchivalUser]

Agree. Froment's sign

Thank you so much for the Q, Miracoli.

Have a good day

[ArchivalUser]

Thanks. Nice one)>>

[ArchivalUser]

Great!
The weakness of adductor pollicis(ulnar nerve ) is compensated by the flexor pollicis longus(AIN of median nerve) that flexes the IP joint of the thumb--> thumb flexed (Froment's sign).

http://sketchymedicine.com/wp-content/up...llicis.jpg