WorksheetsMuscle Attachments and Innervations
Total questions: 10
Worksheet time: 6mins
Where is the distal attachment of the Extensor Carpi Radials Longus located?
base of 2nd metacarpal
head of 4th metacarpal
base od 4th metacarpal
head of 2nd metacarpal
What nerve innervates the Supinator?
Axillary nerve
Radial nerve
Median nerve
Ulnar nerve
What is the action of the Extensor Pollicis Longus?
flexes distal phalanx of thumb at interphalangeal joint
extends distal phalanx of thumb at interphalangeal joint
extends proximal phalanx of thumb at interphalangeal joint
Where is the proximal attachment of the Flexor Pollicis Brevis (superficial head)?
opponans pollicis
tubercles of scaphoid and trapezium
flexor retinaculum
lateral epicondyle of humerus
What nerve innervates the Adductor Pollicis (transverse head)?
Radial nerve
Ulnar nerve
Median Nerve
Axillary nerve
What is the action of Opponens Digiti?
flexion of digits 1-4
flexes and abducts the 5th digit
bends the middle joints of digits 1-5
draws 5th metacarpal anterior and rotates it
What is the distal attachment of the Dorsal Interossei ( 1st-4th) ?
medial border of 5th metacarpal
base of proximal phalanges
adjacent two sides of metacarpals
hook of hamate and flexor retinaculum
What is the main action(s) of the Trapezius?
elevates and retracts
rotates scapula superiorly
tilts head to opposite side
flexes and extends the neck
What nerve innervates the Splenius Capitis?
Cervical Spinal Nerves (C2-C4)
Cervical spinal Nerves (C1-C5)
Cervical Spinal Nerves (C2-C6)
Cervical Spinal Nerves (C1-C3)
What is the proximal attachment of the Coracobrachialis?
tip of coracoid process of scapula
middle third of medial surface of humerus
lateral aspect of mastoid process
