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Kinesiology > Muscle Actions > Flashcards

Muscle Actions Flashcards

1
Q

Scapula Muscles

Trapeziuz

(Upper Fibers)

A

Bilaterally:
EXTEND the head and neck.
Unilaterally:
LATERALLY FLEX the head and neck to the same side.
ROTATE the head and neck to the opposite side.
ELEVATE and UPWARDLY ROTATE the scapula (S/T joint).

S/T = scapulothoracic

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2
Q

Scapula Muscles

Trapezius

(Middle Fibers)

A

ADDUCT and STABILIZE the scapula (S/T joint).

S/T = scapulothoracic

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3
Q

Scapula Muscles

Trapezius

(Lower Fibers)

A

DEPRESS and UPWARDLY ROTATE the scapula (S/T joint).

S/T = scapulothoracic

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4
Q

Shoulder Muscles

Deltoid

(All Fibers)

A

ABDUCT the shoulder (G/H joint).

G/H = glenohumeral

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5
Q

Shoulder Muscles

Deltoid

(Anterior Fibers)

A

FLEX, MEDIALLY ROTATE, and HORIZONTALLY ADDUCT the shoulder (G/H joint).

G/H = glenohumeral

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6
Q

Shoulder Muscles

Deltoid

(Posterior Fibers)

A

EXTEND, LATERALLY ROTATE, and HORIZONALLY ABDUCT the shoulder (G/H joint).

G/H = glenohumeral

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7
Q

Shoulder Muscles

Latissimus Dorsi

A

EXTEND, ADDUCT, and MEDIALLY ROTATE the shoulder (G/H joint).

G/H = glenohumeral

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8
Q

Shoulder Muscles

Teres Major

A

EXTEND, ADDUCT, and MEDIALLY ROTATE the shoulder (G/H joint).

G/H = glenohumeral

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9
Q

Rotator Cuff Muscles

Teres Minor

A

LATERALLY ROTATE and ADDUCT the shoulder (G/H joint).
STABILIZE the head of the humerus in the glenoid cavity.

G/H = glenohumeral

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10
Q

Rotator Cuff Muscles

Supraspinatus

A

ABDUCT the shoulder (G/H joint).
STABILIZE the head of the humerus in the glenoid cavity.

G/H = glenohumeral

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11
Q

Rotator Cuff Muscles

Infraspinatus

A

LATERALLY ROTATE and ADDUCT the shoulder (G/H joint).
STABILIZE the head of the humerus in the glenoid cavity.

G/H = glenohumeral

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12
Q

Rotator Cuff Muscles

Subscapularis

A

MEDIALLY ROTATE the shoulder (G/H joint).
STABILIZE the head of the humerus in the glenoid cavity.

G/H = glenohumeral

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13
Q

Scapula Muscles

Rhomboids

A

ADDUCT, ELEVATE, and DOWNWARDLY ROTATE the scapula (S/T joint).

S/T = scapulothoracic

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14
Q

Scapula Muscles

Levator Scapula

A

Unilaterally:
ELEVATE and DOWNWARDLY ROTATE the scapula (S/T joint).
LATERALLY FLEX the head and neck.
ROTATE the head and neck to the same side.
Bilaterally:
EXTEND the head and neck.

S/T = scapulothoracic

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15
Q

Scapula Muscles

Serratus Anterior

A

With the origin fixed:
ABDUCT, UPWARDLY ROTATE, and DEPRESS the scapula (S/T joint).
HOLD the medial border of the scapula against the rib cage.
With the scapula fixed:
May act to ELEVATE the thorax during forced inhalation.

S/T = scapulothoracic

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16
Q

Shoulder Muscles

Pectoralis Major

(All Fibers)

A

ADDUCT and MEDIALLY ROTATE the shoulder (G/H joint).
Assist to ELEVATE the thorax during forced inhalation.

G/H = glenohumeral

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17
Q

Shoulder Muscles

Pectoralis Major

(Upper Fibers)

A

FLEX and HORIZONTALLY ADDUCT the shoulder (G/H joint).

G/H = glenohumeral

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18
Q

Shoulder Muscles

Pectoralis Major

(Lower Fibers)

A

EXTEND the shoulder (G/H joint).

G/H = glenohumeral

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19
Q

Scapula Muscles

Pectoralis Minor

A

DEPRESS, ABDUCT, and DOWNWARDLY ROTATE the scapula (S/T joint).

S/T = scapulothoracic

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20
Q

Clavicle Muscle

Subclavius

A

DEPRESS the clavicle and draw it anteriorly.
ELEVATE the first rib (to assist during inhalation).
STABILIZE the sternoclavicular joint.

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21
Q

Shoulder & Elbow Muscles

Biceps Brachii

A

FLEX the elbow (H/U joint).
SUPINATE the forearm (R/U joint).
FLEX the shoulder (G/H joint).

H/U = humeroulnar R/U = radioulnar G/H = glenohumeral

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22
Q

Shoulder Muscles

Triceps Brachii

(All Heads)

A

EXTEND the elbow (H/U joint).

H/U = humeroulnar

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23
Q

Shoulder Muscles

Triceps Brachii

(Long Head)

A

EXTEND and ADDUCT the shoulder (G/H joint).

G/H = glenohumeral

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24
Q

Shoulder Muscles

Coracobrachialis

A

FLEX and ADDUCT the shoulder (G/H joint).

G/H = glenohumeral

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25
Q

Elbow Muscles

Brachialis

A

FLEX the elbow (H/U joint).

H/U = humeroulnar

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26
Q

Elbow Muscles

Brachioradialis

A

FLEX the elbow (H/U joint).
Assist to PRONATE and SUPINATE the forearm when resisted (H/R joint).

H/U = humeroulnar H/R = humeroradial

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27
Q

Wrist Muscles

Extensor Carpi Radialis Longus & Brevis

A

EXTEND and ABDUCT the wrist (R/C joint).
Assist to FLEX the eblow (H/U joint).

R/C = radiocarpal H/U = humeroulnar

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28
Q

Wrist Muscles

Extensor Carpi Ulnaris

A

EXTEND and ADDUCT the wrist (R/C joint).

R/C = radiocarpal

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29
Q

Wrist Muscles

Extensor Digitorum

A

EXTEND the 2nd through 5th fingers (M/P & I/P joints).

M/P = metacarpophalangeal I/P = interphalangeal

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30
Q

Elbow Muscles

Anconeus

A

EXTEND the elbow (H/U joint).

H/U = humeroulnar

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31
Q

Hand & Finger Muscles

Extensor Indicis

A

EXTEND and ADDUCT the second finger (M/P joint).
Assist to EXTEND the wrist (R/C joint).

M/P = metacarpophalangeal

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32
Q

Wrist Muscles

Flexor Carpi Radialis

A

FLEX and ABDUCT the wrist (R/C joint).
Assist to FLEX the elbow (H/U joint).

R/C = radiocarpal H/U = humeroulnar

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33
Q

Wrist Muscles

Palmaris Longus

A

FLEX the wrist (R/C joint).
Assist to FLEX the elbow (H/U joint).
TENSE the palmar fascia.

R/C = radiocarpal H/U = humeroulnar

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34
Q

Wrist Muscles

Flexor Carpi Ulnaris

A

FLEX and ADDUCT the wrist (R/C joint).
Assist to FLEX the elbow (H/U joint).

R/C = radiocarpal H/U = humeroulnar

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35
Q

Wrist Muscles

Flexor Digitorum Superficialis

A

FLEX the wrist (R/C joint).
FLEX the 2nd through 5th fingers (M/P & DIP joints).

M/P = metacarpophalangeal DIP = distal interphalangeal

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36
Q

Wrist Muscles

Flexor Digitorum Profundus

A

FLEX the 2nd through 5th fingers (M/P & DIP joints).
Assist to FLEX the wrist (R/C joint).

M/P = metacarpophalangeal DIP = distal interphalangeal R/C = radiocarp

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37
Q

Forearm Muscles

Pronator Teres

A

PRONATE the forearm (R/U joint).
Assist to FLEX the elbow (H/U joint).

R/U = radioulnar H/U = humeroulnar

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38
Q

Forearm Muscles

Pronator Quadratus

A

PRONATE the forearm (R/U joint).

R/U = radioulnar

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39
Q

Forearm Muscles

Supinator

A

SUPINATE the forearm (R/U joint).

R/U = radioulnar

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40
Q

Wrist & Thumb Muscles

Abductor Pollicis Longus

A

ABDUCT and EXTEND the thumb (C/M joint).
ABDUCT the wrist (R/C joint).

C/M = carpometacarpal

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41
Q

Wrist & Thumb Muscles

Extensor Pollicis Longus & Brevis

A

EXTEND the thumb (M/P & C/M joints).

M/P = metacarpophalangeal C/M = carpometacarpal

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42
Q

Thumb Muscles

Flexor Pollicis Longus

A

FLEX the thumb (M/P joint).
Assist to FLEX the wrist (R/C joint).

M/P = metacarpophalangeal R/C = radiocarpal

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43
Q

Thumb Muscles

Abductor Pollicis Brevis

A

ABDUCT the thumb (C/M & M/P joints).
Assist in OPPOSITION of the thumb.

C/M = carpometacarpal M/P = metacarpophalangeal

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44
Q

Thumb Muscles

Flexor Pollicis Brevis

A

FLEX the thumb (C/M & M/P joints).
Assist in OPPOSITION of the thumb.

C/M = carpometacarpal M/P = metacarpophalangeal

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45
Q

Thumb Muscles

Opponens Pollicis

A

OPPOSITION of the thumb (C/M joint).

C/M = carpometacarpal

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46
Q

Thumb Muscles

Adductor Pollicis

A

ADDUCT the thumb (C/M & M/P joints).

C/M = carpometacarpal M/P = metacarpophalangeal

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47
Q

Finger Muscles

Lumbricals

A

EXTEND and FLEX the 2nd through 5th fingers (I/P & M/P joints).

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48
Q

Finger Muscles

Interossei

(Palmar)

A

ADDUCT the thumb, 2nd, 4th, and 5th fingers towards the 3rd.
Assist to FLEX and EXTEND the thumb 2nd, 4th, and 5th fingers (M/P & I/P joints).

M/P = metacarpophalangeal I/P = interphalangeal

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49
Q

Finger Muscles

Interossei

(Dorsal)

A

ABDUCT the 2nd through 4th fingers (M/P joint).
Assist to FLEX and EXTEND the 2nd through 4th fingers (M/P joint).

M/P = metacarpophalangeal

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50
Q

Finger Muscles

Abductor Digiti Minimi

A

ABDUCT the 5th finger (M/P joint).
Assist in OPPOSITION of the 5th finger towards the thumb (M/P joint).

M/P = metacarpophalangeal

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51
Q

Finger Muscles

Flexor Digit Minimi Brevis

A

FLEX the 5th finger (M/P joint).
Assist in OPPOSITION of the 5th toward the thumb.

M/P = metacarpophalangeal

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52
Q

Finger Muscles

Opponens Digit Minimi

A

OPPOSITION of the 5th finger (C/M joint).

C/M = carpometacarpal

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53
Q

Hip Muscles

Quadriceps Femoris

A

EXTEND the knee (T/F joint).

T/F = tibiofemoral

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54
Q

Hip Muscles

Rectus Femoris

A

EXTEND the knee (T/F joint).
FLEX the hip (Cx joint).

T/F = tibiofemoral Cx = coxal joint

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55
Q

Hip Muscles

Vastus Medialis

A

EXTEND the knee (T/F joint).

T/F = tibiofemoral

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56
Q

Hip Muscles

Vastus Lateralis

A

EXTEND the knee (T/F joint).

T/F = tibiofemoral

57
Q

Hip Muscles

Vastus Intermedius

A

EXTEND the knee (T/F joint).

T/F = tibiofemoral

58
Q

Hip Muscles

Biceps Femoris

A

FLEX the kne (T/F joint).
LATERALLY ROTATE the flexed knee (T/F joint).
EXTEND the hip (Cx joint).
TILT the pelvis posteriorly.
Assist to LATERALLY ROTATE the hip (Cx joint)

T/F = tibiofemoral Cx = coxal

59
Q

Hip Muscles

Semitendinosus

A

FLEX the knee (T/F joint).
MEDIALLY ROTATE the flexed knee (T/F joint).
EXTEND the hip (Cx joint).
TILT the pelvis posteriorly.
Assist to MEDIALLY ROTATE the hip (Cx joint).

T/F = tibiofemoral Cx = coxal

60
Q

Hip Muscles

Semimembranosus

A

FLEX the knee (T/F joint).
MEDIALLY ROTATE the flexed knee (T/F joint).
EXTEND the hip (Cx joint).
TILT the pelvis posteriorly.
Assist to MEDIALLY ROTATE the hip (Cx joint).

T/F = tibiofemoral Cx = coxal

61
Q

Hip Muscles

Gluteus Maximus

(All Fibers)

A

EXTEND, LATERALLY ROTATE, and ABDUCT the hip (Cx joint).

Cx = coxal

62
Q

Hip Muscles

Gluteus Maximus

(Lower Fibers)

A

EXTEND, LATERALLY ROTATE, ADDUCT and ABDUCT the hip (Cx joint).

Cx = coxal

63
Q

Hip Muscles

Gluteus Medius

(All Fibers)

A

ABDUCT the hip (Cx joint).

Cx = coxal

64
Q

Hip Muscles

Gluteus Medius

(Anterior Fibers)

A

ABDUCT, FLEX, and MEDIALLY ROTATE the hip (Cx joint).

Cx = coxal

65
Q

Hip Muscles

Gluteus Medius

(Lower Fibers)

A

ABDUCT, EXTEND, and LATERALLY ROTATE the hip (Cx joint).

Cx = coxal

66
Q

Hip Muscles

Gluteus Minimus

A

ABDUCT, MEDIALLY ROTATE, and FLEX the hip (Cx joint).

Cx = coxal

67
Q

Hip Muscles

Adductor Magnus

A

ADDUCT and MEDIALLY ROTATE the hip (Cx joint).
Assist to FLEX the hip (Cx joint).

Cx = coxal

68
Q

Hips Muscles

Adductor Magnus

(Posterior Fibers)

A

ADDUCT, EXTEND and MEDIALLY ROTATE the hip (Cx joint).
Assist to FLEX the hip (Cx joint).

Cx = coxal

69
Q

Hip Muscles

Adductor Longus

A

ADDUCT and MEDIALLY ROTATE the hip (Cx joint).
Assist to FLEX the hip (Cx joint).

Cx = coxal

70
Q

Hip Muscles

Adductor Brevis

A

ADDUCT and MEDIALLY ROTATE the hip (Cx joint).
Assist to FLEX the hip (Cx joint).

CX = coxal

71
Q

Hip Muscles

Pectineus

A

ADDUCT and MEDIALLY ROTATE the hip (Cx joint).
Assist to FLEX the hip (Cx joint).

Cx = coxal

72
Q

Hip Muscles

Gracilis

A

ADDUCT and MEDIALLY ROTATE the hip (Cx joint).
FLEX the knee (T/F joint).
MEDIALLY ROTATE the flexed knee (T/F joint).
Assist to FLEX the hip (Cx joint).

Cx = coxal T/F = tibiofemoral

73
Q

Hip Muscles

Tensor Fasciae Latae & Iliotibial Tract

A

FLEX, MEDIALLY ROTATE, and ABDUCT the hip (Cx joint).

Cx = coxal

74
Q

Hip Muscles

Sartorius

A

FLEX, LATERALLY ROTATE, and ABDUCT the hip (Cx joint).
FLEX the knee (T/F joint).
MEDIALLY ROTATE the flexed knee (T/F joint).

Cx = coxal T/F = tibiofemoral

75
Q

Hip Muscles

Piriformis

A

LATERALLY ROTATE the hip (Cx joint).
ABDUCT the hip during flexion.

Cx = coxal

76
Q

Hip Muscles

Quadratus Femoris

A

LATERALLY ROTATE the hip (Cx joint).

Cx = coxal

77
Q

Hip Muscles

Obturator Internus

A

LATERALLY ROTATE the hip (Cx joint).

Cx = coxal

78
Q

Hip Muscles

Obturator Externus

A

LATERALLY ROTATE the hip (Cx joint).

Cx = coxal

79
Q

Hip Muscles

Gemellus Superior

A

LATERALLY ROTATE the hip (Cx joint).

Cx = coxal

80
Q

Hip Muscles

Gemellus Inferior

A

LATERALLY ROTATE the hip (Cx joint).

Cx = coxal

81
Q

Hip Muscles

Psoas Major

(Fixed Origin)

A

FLEX the hip (Cx joint).
Assist LATERALLY ROTATE the hip (Cx joint).

Cx = coxal

82
Q

Hip Muscles

Psoa Major

(Fixed Insertion)

A

FLEX the trunk toward the thigh.
TILT the pelvis anteriorly.
Unilaterally:
Assist to LATERALLY FLEX the lumbar spine.

83
Q

Ankle Muscles

Gastrocnemius

A

FLEX the knee (T/F joint).
PLANTAR FLEX the ankle (T/C joint).

T/F = tibiofemoral T/C = talocural

84
Q

Ankle Muscles

Soleus

A

PLANTAR FLEX the ankle (T/C joint).

T/C = talocural

85
Q

Ankle Muscles

Plantaris

A

Weak PLANTAR FLEXION of the ankle (T/C joint).
Weak FLEXION of the knee (T/F joint).

T/C = talocural T/F = tibiofemoral

86
Q

Ankle Muscles

Popliteus

A

MEDIALLY ROTATE the flexed knee (T/F joint).
FLEX the knee (T/F joint).

T/F = tibiofemoral

87
Q

Ankle Muscles

Fibularis Longus

A

EVERT the foot.
Assist to PLANTAR FLEX the ankle (T/C joint).

T/C = talocural

88
Q

Ankle Muscles

Fibularis Brevis

A

EVERT the foot.
Assist to PLANTAR FLEX the ankle (T/C joint).

T/C = talocural

89
Q

Ankle Muscles

Tibialis Anterior

A

INVERT the foot.
DORSIFLEX the ankle (T/C joint).

T/C = talocural

90
Q

Ankle Muscles

Extensor Digitorum Longus

A

EXTEND the 2nd through 5th toes (Mt/P & I/P joints).
DORSIFLEX the ankle (T/C joint).
EVERT the foot.

Mt/P = metatarsophalangeal I/P = interphalangeal T/C = talocural

91
Q

Ankle Muscles

Extensor Hallucis Longus

A

EXTEND the 1st toe (Mt/P & I/P joints).
DORSIFLEX the ankle (T/C joint).
INVERT the foot.

Mt/P = metatarsophalangeal I/P = interphalangeal T/C = talocural

92
Q

Ankle Muscles

Tibialis Posterior

A

INVERT the the foot.
PLANTAR FLEX the ankle (T/C joint).

T/C = talocural

93
Q

Ankle Muscles

Flexor Digitorum Longus

A

FLEX the 2nd through 5th toes (Mt/C & I/P joints).
Weak PLANTAR FLEXION of the ankle (T/C joint).
INVERT the foot.

Mt/P = metatarsophalangeal I/P = interphalangeal T/C = talocural

94
Q

Ankle Muscles

Flexor Hallucis Longus

A

FLEX the 2nd through 5th toes (Mt/C & I/P joints).
Weak PLANTAR FLEXION of the ankle (T/C joint).
INVERT the foot.

Mt/P = metatarsophalangeal I/P = interphalangeal T/C = talocural

95
Q

Foot Muscles

Extensor Digitorum Brevis

A

EXTEND the 2nd through 4th toes (Mt/P & I/P joints).

Mt/P = metatarsophalangeal I/P = interphalangeal

96
Q

Foot Muscles

Flexor Digitorum Brevis

A

FLEX the 2nd through 4th (PIP joint).

PIP = proximal interphalangeal

97
Q

Foot Muscles

Abductor Hallucis

A

ABDUCT the 1st toe (Mt/P joint).
Assist to FLEX the 1st toe (Mt/P joint).

Mt/P = metatarsalphalangeal

98
Q

Foot Muscles

Abductor Digit Minimi

A

FLEX the 5th toe.
Assist to ABDUCT the 5th toe (Mt/P joint).

Mt/P = metatarsalphalangeal

99
Q

Foot Muscles

Extensor Hallucis Brevis

A

EXTEND the 1st toe (Mt/P joint).

Mt/P = metatarsalphalangeal

100
Q

Foot Muscles

Flexor Hallucis Brevis

A

FLEX the 1st toe (Mt/P joint).

Mt/P = metatarsalphalangeal

101
Q

Foot Muscles

Adductor Hallucis

A

ADDUCT the 1st toe (Mt/P joint).

Mt/P = metatarsalphalangeal

102
Q

Foot Muscles

Flexor Digiti Minimi Brevis

A

FLEX the 5th toe (Mt/P joint).

Mt/P = metatarsalphalangeal

103
Q

Foot Muscles

Quadratus Plantae

A

Assist Flexor Digitorum Longus to FLEX 2nd through 5th toes.

104
Q

Foot Muscles

Interrosei

(Plantar)

A

ADDUCT and FLEX the 3rd through 5th toes (Mt/P joint).

Mt/P = metatarsalphalangeal

105
Q

Foot Muscles

Interrosei

(Dorsal)

A

ABDUCT and FLEX the 2nd through 4th toes (Mt/P joint).

Mt/P = metatarsalphalangeal

106
Q

Foot Muscles

Lumbricals

A

FLEX the proximal 2nd through 5th toes (Mt/P joint).
EXTEND the middle and distal phalanges of the 2nd through 5th toes (Mt/P joint).

Mt/P = metatarsalphalangeal

107
Q

Spinal Muscles

Erector Spinae Group

A

Unilaterally:
LATERALLY FLEX the vertebral column to the same side.
Bilaterally:
EXTEND the vertebral column.

108
Q

Spinal Muscles

Multifidi & Rotatores

A

Unilaterally:
ROTATE the vertebral column to the opposite side.
Bilaterally:
EXTEND the vertebral column.

109
Q

Spinal Muscles

Semispinalis Capitis

A

EXTEND the vertebral column and head.

110
Q

Spinal Muscles

Splenius Capitis and Cervicis

A

Unilaterally:
ROTATE and LATERALLY FLEX the head and neck to the same side.
Bilaterally:
EXTEND the head and neck.

111
Q

Suboccipital Muscles

Rectus Capitis Posterior Major

A

ROCK and TILT the head into extension.
ROTATE the head to the same side.

112
Q

Suboccipital Muscles

Rectus Capitis Posterior Minor

A

ROCK and TILT the head into extension.

113
Q

Suboccipital Muscles

Oblique Capitis Superior

A

ROCK and TILT the head into extension.
LATERALLY FLEX the head to the same side.

114
Q

Suboccipital Muscles

Oblique Capitis Inferior

A

ROTATE the head to the same side.

115
Q

Spinal Muscles

Quadratus Lumborus

A

Unilaterally:
LATERALLY TILT (ELEVATE) the pelvis.
LATERALLY FLEX the vertebral column to the same side.
Bilaterally:
FIX the rib for forced inhalation and exhalation.
Assist to EXTEND the vertebral column.

116
Q

Spinal Muscles

Rectus Abdominis

A

FLEX the veterbral column.
TILT the pelvis posteriorly.

117
Q

Spinal Muscles

External Oblique

A

Unilaterally:
LATERALLY FLEX the vertebral column to the same side.
ROTATE the vertebral column to the opposite side.
Bilaterally:
FLEX the vertebral column.
COMPRESS the abdominal contents.

118
Q

Spinal Muscles

Internal Oblique

A

Unilaterally:
LATERALLY FLEX the vertebral column to the same side.
ROTATE the vertebral column to the same side.
Bilaterally:
FLEX the vertebral column.
COMPRESS the abdominal contents.

119
Q

Spinal Muscles

Transverse Abdominis

A

COMPRESS abdominal contents.

120
Q

Rib & Thorax Muscles

Intercostals

(External)

A

Assist with INHALATION (drawing ribs superiorly).

121
Q

Rib & Thorax Muscles

Intercostals

(Internal)

A

Assist with EXHALATION (drawing ribs inferiorly).

122
Q

Rib & Thorax Muscles

Serratus Posterior Superior

A

ELEVATE ribs during inhalation.

123
Q

Rib & Thorax Muscles

Serratus Posterior Inferior

A

DEPRESS the ribs during exhalation.

124
Q

Spinal Muscles

Intertransversii

A

Unilaterally:
LATERALLY FLEX the vertebral column to the same side.
Bilaterally:
EXTEND the vertebral column.

125
Q

Spinal Muscles

Sternocleidomastoid

A

Unilaterally:
LATERALLY FLEX the head and neck to the same side.
ROTATE the head and neck to the opposite side.
Bilaterally:
FLEX the neck.
Assist to ELEVATE the rib cage during inhalation.

126
Q

Spinal Muscles

Scalenes

(All)

A

Unilaterally:
LATERALLY FLEX the head and neck to the same side with ribs fixed.
ROTATE the head and neck to the opposide side.
Bilaterally:
ELEVATE the ribs during inhalation.

127
Q

Spinal Muscles

Scalenes

(Anterior)

A

Unilaterally:
LATERALLY FLEX the head and neck to the same side with ribs fixed.
ROTATE the head and neck to the opposide side.
Bilaterally:
ELEVATE the ribs during inhalation.
FLEX the head and neck.

128
Q

Mandible Muscles

Masseter

A

ELEVATE the mandible (T/M joint).
Assist to PROTRACT the mandible (T/M joint).

T/M = temporomandibular

129
Q

Mandible Muscles

Suprahyoids

(Geniohyoid, Mylohyoid, Stylohyoid)

A

ELEVATE the hyoid bone and tongue.
DEPRESS the mandbile (T/M joint).

T/M = temporomandibular

130
Q

Mandible Muscles

Digastric

A

DEPRESS the mandible with the hyoid fixed (T/M joint).
ELEVATE they hyoid bone with the mandible fixed (T/M joint).
RETRACT the mandible (T/M joint)

T/M = temporomandibular

131
Q

Mandible Muscles

Infrahyoids

(Sternohyoid, Sternothyroid, Thyrohyoid, Omohyoid)

A

DEPRESS the hyoid bone and thyroid cartilage.

132
Q

Facial Muscles

Platysma

A

TIGHTEN the fascia of the neck.
DRAW DOWN corner of the mouth.
Assist to DEPRESS the mandible (T/M joint).

T/M = temporomandibular

133
Q

Facial Muscles

Occipitofrontalis

(Occipitalis)

A

ANCHOR and RETRACT the galea posteriorly.

134
Q

Facial Muscles

Occipitofrontalis

(Frontalis)

A

RAISE the eyebrows and wrinkle the forehead.

135
Q

Mandible Muscles

Medial Pterygoid

A

Unilaterally:
LATERALLY DEVIATE the mandible to the opposite side.
Bilaterally:
ELEVATE and PROTRACT the mandible.

136
Q

Mandible Muscles

Lateral Pterygoid

A

Unilaterally:
LATERALLY DEVIATE the mandible to the opposite side.
Bilaterally:
PROTRACT the mandible.

137
Q

Spinal Muscles

Longus Capitis

A

Unilaterally:
LATERALLY FLEX and ROTATE the head and neck to the same side.
Bilaterally:
FLEX the head and neck.

138
Q

Spinal Muscles

Longus Colli

A

Unilaterally:
LATERALLY FLEX and ROTATE the head and neck to the same side.
Bilaterally:
FLEX the head and neck.

Kinesiology (1 decks)

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