Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Upper Extremity Muscles > Thenar > Flashcards

Thenar Flashcards

1
Q

Flexor Pollicis Brevis

A

Origin: flexor retinaculum and tubercle of trapezium

Insertion: lateral side of base of proximal phalanx of thumb

Innervation: motor recurrent branch of median nerve

Blood Supply: superficial palmar branch of radial artery

Action: flexes proximal phalanx of thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Abductor Pollicis Brevis

A

Origin: flexor retinaculum, tubercle of scaphoid, and tubercle of trapezium

Insertion: lateral side of base of proximal phalanx of thumb

Innervation: motor recurrent branch of median nerve

Blood Supply: superficial palmar branch of radial artery

Action: abducts thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Opponens Pollicis

A

Origin: flexor retinaculum and tubercle of trapezium

Insertion: lateral side of 1st metacarpal

Innervation: motor recurrent branch of median nerve

Blood Supply: superficial palmar branch of radial artery

Action: draws 1st metacarpal forward and rotates it medially

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

Upper Extremity Muscles (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions