Muscles Flashcards by Nora Barker

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

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A

19a

flexes forearm

Q

Biceps brachii

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A

11, 12 &13 a

flexes forearm, supinates

Q

Rectus abdominis

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A

6t

compresses and flexion of abdominal area

Q

Transverse abdominis

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A

7t

compresses and flexion of abdominal area

Q

Internal oblique

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A

9t

compresses and flexion of abdominal area

Q

external oblique

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A

7t

compresses and flexion of abdominal area

Q

extensor digitorum

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A

30a

extends phalanges

Q

Palmaris longus

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A

24a

weak flexors of the wrist

rectus femoris

20L | extends leg, elevates thigh

vastus medialis

23L | extends leg

vastus lateralis

21L | extends leg

vastus intermedialis

22L | extends leg

Semimembranosus (hamstring)

29L | flexes leg, and extends thigh

semitendinosus (hamstring)

30L | flexes leg and extends thigh

Biceps femoris (hamstring)

31 &32L | flexes leg and extends thigh

psoas major

25L | flexes and lateral rotation of thigh

Gluteus maximus

11L | extends and rotates thigh

gluteus meddddius

12L | abduction of thigh

adduction longus

26L | adducts and rotates thigh medially

adductiion magnus

28L | adducts and rotates the thigh medially

gracillis

27L | adducts the thigh

sartorius

24L | flexes leg, flexes thigh and rotates it laterally (crossing your legs)

Tensor Fasciae latae

18L | flexes and abducts thigh

Tibialis anterior

33L | dorsifexes and inverts foot

Gastrocnemis

37 &36L | plantar flexes foot

soleus

39L | plantar flexes foot