Muscle Actions Flashcards Preview

A&P 1 - Test 4 > Muscle Actions > Flashcards

Flashcards in Muscle Actions Deck (38)
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1
Q

What is the muscle action for the deltoid?

A

abducts, extends and flexes arm

1
Q

What is the muscle action for the iliacus?

A

flexes thigh

2
Q

What is the muscle action for the scalenes?

A

elevates ribcage

2
Q

What is the muscle action for the internal intercostal?

A

retracts (depresses) ribs

2
Q

What is the muscle action for the palmaris longus?

A

flexes hand

2
Q

What is the muscle action for the gracilis?

A

adducts leg

3
Q

What is the muscle action for the rhomboideus?

A

elevates and adducts scapula

3
Q

What is the muscle action for the psoas major?

A

flexes thigh

5
Q

What is the muscle action for the masseter?

A

elevate mandible

5
Q

What is the muscle action for the extensor digitorum?

A

extends and hyperextends digits

6
Q

What is the muscle action for the hamstring group?

A

flexes leg

7
Q

What is the muscle action for the pronator teres?

A

pronates (medially rotates) forearm

8
Q

What is the muscle action for the supinator?

A

supinates (laterally rotates) forearm

8
Q

What is the muscle action for the soleus?

A

plantar flexion

10
Q

What is the muscle action for the external intercostal?

A

protracts (elevates) ribs

10
Q

What is the muscle action for the gluteus maximus?

A

extends thigh

11
Q

What is the muscle action for the quadriceps?

A

extension of leg

12
Q

What is the muscle action for the rectus abdominis?

A

Compresses abdominal region

12
Q

What is the muscle action for the sartorius?

A

rotates leg laterally

13
Q

What is the muscle action for the external & internal oblique?

A

compresses abdominal region

14
Q

What is the muscle action for the oribicularis oculi?

A

close eye

15
Q

What is the muscle action for the biceps brachii?

A

flexes forearm

17
Q

What is the muscle action for the temporalis?

A

elevate mandible

18
Q

What is the muscle action for the triceps brachii?

A

extends forearm

19
Q

What is the muscle action for the tibialis anterior?

A

dorsiflexion/inversion

21
Q

What is the muscle action for the latissimus dorsi?

A

extension, adducts and rotates arm medially

23
Q

What is the muscle action for the buccinator?

A

Compress cheeks

25
Q

What is the muscle action for the sternocleidomastoid?

A

rotates head, flexes neck or elevates sternum

27
Q

What is the muscle action for the orbicularis oris?

A

Close mouth

29
Q

What is the muscle action for the teres major?

A

extension, adducts and rotates arm medially

30
Q

What is the muscle action for the pectoralis major?

A

flexes, adducts and roates arm medially

31
Q

What is the muscle action for the serratus anterior?

A

pulls the scapula anteriorly and downward

32
Q

What is the muscle action for the trapezius?

A

rotates scapula

33
Q

What is the muscle action for the adductor (longus & magnus)

A

adducts legs

34
Q

What is the muscle action for the teres minor?

A

rotates arm laterally

35
Q

What is the muscle action for the supraspinatus?

A

abducts arm

37
Q

What is the muscle action for the gastrocnemius?

A

plantar flexion

38
Q

What is the muscle action for the levator scapulae?

A

elevates scapula