Question

In: Anatomy and Physiology

1. what muscles are used for gripping a bat? what muscles are agonsit for gripping a...

1.

what muscles are used for gripping a bat?

what muscles are agonsit for gripping a bat?

what muscles are antogonist for gripping a bat?

what nerves are used for gripping a bat?

2.

what muscles are used for opening a doorknob?

what muscles are agonsit for opening a doorknob?

what muscles are antogonist for opening a doorknob?

what nerves are used for opening a doorknob?

Expert Solution

1)

a)Muscle used in gripping a bat are 7 Hand gripping muscles and 3 forearm muscles

b)Hand gripping agonist muscles are

1)Flexor digiti minimi Brevis

2)Opponens digiti minimi

3)flexor pollicis brevis

4)adductor pollicis

5)palmar interossei

6)first dorsal interossei

7)opponens pollicis

Forearm muscles are

1)flexor digitorum superficialis

2)flexor digitorum Profundus

3)Flexor pollicis Longus

C) Extensor digiti minimi brevis

Palmaris brevis

Abductor pollicis brevis

Dorsal interossei

Extensor digitorum

extensor pollicis longus

D)nerve innervating the hand muscle are Radial nerve , medialnerve, ulnar nerve

Q2)Opening a doorknob is done by suppinator muscle

Main suppinator of the forearm are SUPPINATOR, BICEPS,BRACHIORADIALIS

Antagonist muscle of suppination are Pronation muscles like PRONATOR TERES, PRONATOR QUADRATUS

Nerve innervating the suppinator is radial nerve

Biceps brachii - musculocutaneous nerve

Brachioradialis - Radial nerve

Sydney Mullin answered 1 year ago

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