“Pointing index” is due to paralysis of:
Correct Answer: Median nerve
Description: Ans. is 'a' i.e. Median nerve Pointing index:On asking the pt. to make a fist, it is noticed that the index finger remains straight.This is d/t Paralysis of the flexor digitorum superficialis and that of lateral half of the flexor digitorum profundus muscle (to the index finger) in median nerve palsy at a level of proximal to elbow.*Some other related questions:* Wrist drop is seen in*-Radial nerve palsy* Foot drop is seen in*-Common peroneal nv palsy.Winging of the scapula*Claw hand(Main -en -griffe):-Long thoracic nerve palsy.* Partial claw hand*-Ulnar nerve palsy* Complete claw hand*-Ulnar +Median nerve palsy* Ape thumb deformity*-Median nerve palsy* Pointing index*-Median nerve palsy* Policeman's tip deformity*-Also k/a Erb's paralysis d/t injury in the region of the upper trunk of the brachial plexus.Nerve roots involved are mainly C5 & partly C6.
Category:
Orthopaedics
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now