Primary Muscles - Action and Insertion Flashcards

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1
Q

Scapula Depression

A

Lower Trapezius

Insertion: Spine of scapula

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2
Q

Scapula Elevation

A

Levator Scapulae

Insertion: Superior angle of the scapula

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3
Q

Scapula Retraction

A

Middle Trapezius

Insertion: Acromion

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4
Q

Scapula Protraction

A

Serratus Anterior

Insertion: Medial margin of the scapula

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5
Q

Scapula Upwards Rotation

A

Serratus Anterior

Insertion: Medial margin of the scapula

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6
Q

Scapula Downwards Rotation

A

Levator Scapulae

Insertion: Superior angle of the scapula

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7
Q

Shoulder Abduction

A

Middle Deltoid

Insertion: Deltoid tuberosity

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8
Q

External Rotation of the Shoulder

A

Infraspinatus

Insertion: Greater tubercle of the humerus

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9
Q

Internal Rotation of the Shoulder

A

Subscapularis

Insertion: Lesser tubercle of the humerus

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10
Q

Shoulder Flexion

A

Anterior Deltoid

Insertion: Deltoid tuberosity

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11
Q

Shoulder Extension

A

Posterior Deltoid

Insertion: Deltoid tuberosity

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12
Q

Horizontal Abduction of the Shoulder

A

Posterior Deltoid

Insertion: Deltoid tuberosity

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13
Q

Horizontal Adduction of the Shoulder

A

pec major

Insertion: Lateral margin of the bicipital groove

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14
Q

Shoulder Adduction

A

Pec major

Insertion: Lateral margin of the bicipital groove

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15
Q

Elbow Flexion

A

Biceps Brachii (supination)
Insertion: Radial tuberosity, and bicipital aponeurosis
Brachioradialis (Thumbs up)
Insertion: Styloid process of the radius

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16
Q

Elbow Extension

A

Triceps Brachii

Insertion: Olecranon

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17
Q

Forearm Pronation

A

Pronator teres

Insertion: Lateral surface of the radius

18
Q

Forearm Supination

A

Biceps brachii

Insertion: Radial tuberosity, and bicipital aponeurosis

19
Q

Wrist Flexion

A

Palmaris longus

Insertion: Palmar aponeurosis

20
Q

Wrist Extension

A

Extensor carpi ulnaris

Insertion: Base metacarpal V

21
Q

Ulnar Deviation

A

Extensor carpi ulnaris

Insertion: Base metacarpal V

22
Q

Radial deviation

A

Extensor carpi radialis longus

Insertion: Dorsal surface of metacarpal II

23
Q

Finger Extension

A

Extensor digitorum

Insertion: Medial and distal phalanges II-V via dorsal aponeurosis

24
Q

Finger Flexion

A

Flexor digitorum superficialis

Insertion: Middle phalanges II-V

25
Q

Thumb Extension

A

Extensor pollicis longus

Insertion: Base phalanx distal I

26
Q

Thumb Flexion

A

Flexor pollicis longus

Insertion: Palmar surface of the distal phalanx I

27
Q

Opposition

A

Opponens

Insertion: Radial border metacarpal I

28
Q

Ankle Plantar Flexion

A

Gastrocnemius
Insertion: Calcaneal tuberosity via the Achilles tendon
Soleus (knee flexion)
Insertion: Achilles Tendon

29
Q

Ankle Dorsi Flexion

A

Tibialis Anterior

Insertion: Medial cuneiform and first metatarsal

30
Q

Subtalar Eversion

A

Fibularis longus

Insertion: Base of metatarsal 1 and medial cuneiform

31
Q

Subtalar Inversion

A

Tibialis anterior

Insertion: Medial cuneiform and first metatarsal

32
Q

Interphalangeal Flexion

A

Flexor digitorum longus

Insertion: Bases of the distal phalanges 2-5

33
Q

Interphalangeal Extension

A

Extensor digitorum longus

Insertion: Middle and distal phalanges of toes II-V

34
Q

Hip Flexion

A

Iliopsoas

Insertion: Lesser trochanter

35
Q

Hip Extension

A

Gluteus Maximus
Insertion:
Upper fibers: iliotibial tract on Gerdy’s tubercle (tibia)
Lower fibers: gluteal tuberosity of femur

36
Q

Hip Abduction

A

Gluteus Medius

Insertion: Greater trochanter

37
Q

Hip Adduction

A

Adductor longus

Insertion: Lower two-thirds of the medial lip of the linea aspera on the posterior surface

38
Q

Hip Internal Rotation

A

Gluteus medius

Insertion: Greater trochanter

39
Q

Hip External Rotation

A

Gluteus Maximus
Insertion:
Upper fibers: iliotibial tract on Gerdy’s tubercle (tibia)
Lower fibers: gluteal tuberosity of femur

40
Q

Knee Flexion

A
Biceps Femoris
I: Head of fibula
Semitendinosus
I: Medial border of the tibia (pes anserinus
tendon)
Semimembranosus
I: Medial tibial condyle
41
Q

Knee Extension

A

Rectus Femoris

I: Anterior Tibial Tuberosity (Quadriceps tendon)