Muscles Flashcards by Nora Barker | Brainscape

Q

Depressor anguli oris

A

1d

Pulls corners of the mouth down

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Q

mentalis

A

5d

elevates and protrudes lower lip, shapes lips during speech

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Q

Platysma

A

8d

Draws lower lip downward and backwards

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Q

masseter

A

11d

elevates and protrudes mandible

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Q

Temporalis

A

12d

elevates and protrudes mandible

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Q

Sternocleidomastoid

A

1t

Flexation and rotation of the head

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Q

Pectoralis minor

A

3t

pulls scapula anteriorly

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Q

Trapezius

A

8t

Elevates, adbucts and depresses scapula

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Q

deltoid

A

10a

adducts and extends arm

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Q

latissimus dorsi

A

17a

abducts arm

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Q

pectoralis major

A

2t

adducts humerus

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Q

teres minor

A

8a

rotates arm laterally; extends and adducts arm

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Q

Subcapularis

A

6s

rotates arm medially

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Q

Supraspinatus

A

6a

abducting arm

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Q

Infraspinatus

A

7a

rotates arm laterally, adducts arm

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Q

Brachialis

A

14a

flexes forearm

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Q

Brachioradialis

A

19a

flexes forearm

Q

Biceps brachii

A

11, 12 &13 a

flexes forearm, supinates

Q

Rectus abdominis

A

6t

compresses and flexion of abdominal area

Q

Transverse abdominis

A

7t

compresses and flexion of abdominal area

Q

Internal oblique

A

9t

compresses and flexion of abdominal area

Q

external oblique

A

7t

compresses and flexion of abdominal area

Q

extensor digitorum

A

30a

extends phalanges

Q

Palmaris longus

A

24a

weak flexors of the wrist

Q

rectus femoris

A

20L

extends leg, elevates thigh

Q

vastus medialis

A

23L

extends leg

Q

vastus lateralis

A

21L

extends leg

Q

vastus intermedialis

A

22L

extends leg

Q

Semimembranosus (hamstring)

A

29L

flexes leg, and extends thigh

Q

semitendinosus (hamstring)

A

30L

flexes leg and extends thigh

Q

Biceps femoris (hamstring)

A

31 &32L

flexes leg and extends thigh

Q

psoas major

A

25L

flexes and lateral rotation of thigh

Q

Gluteus maximus

A

11L

extends and rotates thigh

Q

gluteus meddddius

A

12L

abduction of thigh

Q

adduction longus

A

26L

adducts and rotates thigh medially

Q

adductiion magnus

A

28L

adducts and rotates the thigh medially

Q

gracillis

A

27L

adducts the thigh

Q

sartorius

A

24L

flexes leg, flexes thigh and rotates it laterally (crossing your legs)

Q

Tensor Fasciae latae

A

18L

flexes and abducts thigh

Q

Tibialis anterior

A

33L

dorsifexes and inverts foot

Q

Gastrocnemis

A

37 &36L

plantar flexes foot

Q

soleus

A

39L

plantar flexes foot