Muscles Flashcards

1
Q

Frontalis

A

Moves forehead and eyebrows.

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2
Q

Orbicularis Oculi

A

Winking and closing eyes.

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3
Q

Orbicularis Oris

A

Closes lips.

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4
Q

Zygomaticus

A

Lifts the corners of your mouth up.

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5
Q

Masseter

A

Elevates mandible to close the jaw.

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6
Q

Sternocleidomastoid

A

Neck flexion and rotation of the head.

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7
Q

Pectoralis Major

A

Chest muscle; Moves your arms.
Flexes, adducts and medially rotates the arm.

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8
Q

External Intercostal Muscles

A

(Breathing help)
Elevates your ribcages.

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9
Q

Internal Intercostal Muscles

A

(Breathing help)
Depresses you ribcages.

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10
Q

External Abdominal Oblique

A

Help rotate the trunk.

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11
Q

Internal Abdominal Oblique

A

Compresses abdominal obliques.

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12
Q

Rectus Adominus

A

Flexion (decreases the angle) of the trunk.
Allows you to bend over and touch your toes.

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13
Q

Trapezius

A

Elevates, depresses, and holds the scapula in place.

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14
Q

Latissmus dorsi

A

Extends the arm and shoulder; Adduction and medial rotation.

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15
Q

Erector Spine muscle group

A

Extends and laterally rotates your vertebrae.

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16
Q

Deltoid

A

Abduction of the arm.

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17
Q

Rotator cuff muscles

A

Rotation of the shoulder joint.

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18
Q

Biceps and Triceps Brachii

A

Flex and extend the forearm at the elbow.

19
Q

Brachialis and Brachioradialis

A

Supination and Pronation.

20
Q

Gluteus Maximus

A

Extend (back?) and laterally rotate the hip.

21
Q

Gluteus Medius

A

Medial rotation of the hip.

22
Q

Sartorius

A

Flex, abduct and laterally rotate the hip.

23
Q

Quads - Rectus Remoris

A

Extend the knees; Flexes the thighs.

24
Q

Gracilis

A

Flexes the leg and the knee; Adduction.

25
Q

Tibialis Anterior

A

Dorsiflexion; Some inversion of the foot.

26
Q

Gastrocnemius

A

Moves the knee and ankle -> Plantar flexion; Flexes the knee.

27
Q

Flexion

A

Decreases the angle.

28
Q

Extension

A

Increases the angle.

29
Q

Dorisflexion

A

Move your foot in superior direction toward the shin.

30
Q

Plantar flexion

A

Flex foot inferiorly.

31
Q

Abduction

A

Away from the midline.

32
Q

Adduction

A

Toward the midline.

33
Q

Circumduction

A

Combination of flexion, extension, abduction, adduction.

34
Q

Rotation

A

Movement along longitudinal axis (lateral and medial).

35
Q

Supination

A

Rotation of forearm -> Palm facing anteriorly.

36
Q

Pronation

A

Palm rotated posteriorly.

37
Q

Elevation

A

Moves body parts (like shoulder) upward; Superior direction.

38
Q

Depression

A

Moves body part downward; Inferior direction.

39
Q

Retraction

A

Movement in posterior direction <-

40
Q

Protraction

A

Movement in anterior direction ->

41
Q

Eversion

A

The sole of the foot faces laterally.

42
Q

Soleus

A

Plantar Flexion

43
Q

Inversion

A

The sole of the foot face medially.