Session 4 - Anterior muscles of the forearm Flashcards Preview

Semester 2 - MSK > Session 4 - Anterior muscles of the forearm > Flashcards

Flashcards in Session 4 - Anterior muscles of the forearm Deck (36)
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1
Q

What is A?

A

Protonator Teres

2
Q

What is the innervation of A?

A

The median nerve

3
Q

What are the roots of the median nerve?

A

C5 - T1

4
Q

What is the action of the protonator teres? What label does it correspond to on the diagram?

A

Pronates the forearm A

5
Q

Where does protanator teres attach?

A

Medial epicondyle of the humerus

6
Q

What is D?

A

Flexor Carpi Radialis

7
Q

What is the Flexor Carpi Radialis innervated by?

A

The medial nerve

8
Q

Which label is the flexor carpi radialis?

A

D

9
Q

What movement is the flexi carpi radialis responsible for?

A

Flexion and abduction at the wrist

10
Q

Where does D originate?

A

Medial epicondyle of the humerus

11
Q

What is C?

A

Palmaris longus

12
Q

What does D attach to?

A

Base of metacarpals 2 and 3

13
Q

What is the palmaris longus innervated by?

A

Median nerve

14
Q

What movement is the palmaris longus responsible for?

A

Flexion at the wrist

15
Q

Where does C attach?

A

The flexor retinaculum of the wrist

16
Q

What is B?

A

Flexor Carpi Ulnaris

17
Q

What does B attach to?

A

The pisiform carpal bone

18
Q

What actions is the flexor carpi ulnaris responsible for?

A

Flexion and adduction at the wrist

19
Q

What is B innervated by?

A

Ulnar nerve

20
Q

What is E?

A

Medial epicondyle

21
Q

Name ABCDE and F

A

A - Protanator Teres B - Brachioradialis C - Flexor Carpi Radialis D - Palma Longus E - Flexor Digitalis F -Flexor Carpi Ulnaris

22
Q

What is G?

A

Median Nerve

23
Q

What muscle is highlighted blue?

A

Flexor digortorum superficialis

24
Q

What are the actions of the flexor digortorum superficialis?

A

Flexes the metacarpophalangeal joints and proximal interphalangeal joints at the 4 fingers, and flexes at the wrist.

25
Q

What innervates the muscle in blue? What IS the blue muscle?

A

Median nerve. Flexor digortorum superficialis

26
Q

What are the three muscles deep to the wrist?

A

flexor digitorum profundus flexor pollicis longus pronator quadratus

27
Q

What is A?

A

Flexor pollicis longus

28
Q

What is B?

A

Pronator Quadratus

29
Q

What is C?

A

Flexor Digitorum Profundus

30
Q

What is the function of C?

A

It is the only muscle that can flex the distal interphalangeal joints of the fingers. It also flexes at metacarpophalangeal joints and at the wrist

31
Q

Where does C originate? What is C called?

A

ulna and associated interosseous membrane

32
Q

What does B do? What is the name of B?

A

Pronates the forearm Pronator Quadratus

33
Q

What is the pronator quadratus innervated by?

A

Median Nerve

34
Q

What is C innervated by?

A

The medial half (acts on the little and ring fingers) is innervated by the ulnar nerve. The lateral half (acts on the middle and index fingers) is innervated by the medial nerve

35
Q

What is A? What is the function of A?

A

Flexes the interphalangeal joint and metacarpophalangeal joint of the thumb Flexor Pollicis Longus

36
Q

What is A innervated by?

A

Median nerve