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anatomy > Muscles I O and Movements > Flashcards

Muscles I O and Movements Flashcards

1
Q

Sternocleidomastoid

A

O: manubrium of sternum & medial clavicle
I: mastoid process

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- flexion (bilateral)
- lateral flexion (same side)
- rotation (opposite side)
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2
Q

Scalenes

A

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- flexion (bilateral)
- lateral flexion (same side)
- rotation (opposite side)
- inspiration (act of drawing air into the lungs) (bilateral)

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3
Q

Upper Trapezius

A

O: occipital bone & ligamentum nuchae
I: lateral clavicle

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- head extension

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4
Q

Rectus Abdominis

A

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- flexion

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5
Q

Internal Oblique

A 
Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- flexion (bilateral)
- lateral flexion (same side) 
- rotation (same side)
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6
Q

External Oblique

A

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)- flexion (bilateral)
- lateral flexion (same side)
- rotation (opposite side)

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7
Q

Transversus Abdominis

A 
Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- compresses abdomen
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8
Q

Erector Spinae

A

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- extension
- lateral flexion (same side)

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9
Q

Quadratus Lumborum

A

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- lateral flexion (same side)
- extension (bilateral)

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10
Q

Diaphragm

A

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- inspiration

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11
Q

External Intercostals and Internal Intercostals

A

Primary Movements
VERTEBRAL COLUMN (head and trunk movements)
- respiration

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12
Q

Serratus Anterior

A

O: upper 8 or 9 ribs at the same side of the chest
I: entire anterior length of the vertebral border of scapula

Primary Movements
SHOULDER GIRDLE
- protraction
- upward rotation

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13
Q

Pectoralis Minor

A

O: anterior surfaces of ribs 3 - 5
I: coracoids processes of scapula

Primary Movements
SHOULDER GIRDLE
- depression
- protraction
- downward rotation
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14
Q

Upper, Middle, and Lower Trapezius

A

O: occipital bone, ligamentum nuchae, & spinous processes of vertebrae C7 - T12
I: lateral clavicle, acromion, and spine of scapula

Primary Movements
SHOULDER GIRDLE
- Upper: elevation
- Middle: retraction
- Lower: depression, upward rotation
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15
Q

Levator Scapulae

A

O: transverse processes of vertebrae C1 - C4
I: vertebral border of scapula, superior to spine

Primary Movements
SHOULDER GIRDLE
- elevation
- downward rotation

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16
Q

Major and Minor Rhomboids

A

O: spinous processes of vertebrae C7 - T1 (minor) and T2 - T 5 (major)
I: vertebral border of scapula, from spine to inferior angle

Primary Movements
SHOULDER GIRDLE
- retraction
- elevation
- downward rotation
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17
Q

Pectoralis Major - Sternal Head and Clavicular Head

A

O: sternal end of clavicle, sternum, cartilage of ribs 1 - 6 (or 7), aponeurosis of external oblique muscle
I: lateral side of intertubercular sulcus and greater tubercle of humerus

Primary Movements
SHOULDER JOINT
- Together: adduction
- Sternal head: extension
- Clavicular head: flexion
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18
Q

Deltoid - Anterior, Middle, and Posterior

A

O: lateral clavicle, acromion, and spine of scapula
I: deltoid tuberosity of humerus

Primary Movements
SHOULDER JOINT
- All together: abduction
- Anterior: flexion
- Posterior: horizontal abduction
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19
Q

Coracobrachialis

A

Primary Movements
SHOULDER JOINT
- flexion

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20
Q

Latissimus Dorsi

A

O: posterior iliac crest, sacrum, lateral spinous processes of vertebrae T7 - L5, lower 3 ribs
I: lateral side of intertubercular sulcus and greater tubercle of humerus (between insertions of pectoralis major and teres major)

Primary Movements
SHOULDER JOINT
- extension
- adduction

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21
Q

Subscapularis

A

O: subscapular fossa
I: lesser tubercle of humerus

Primary Movements
SHOULDER JOINT
- adduction
- medial rotation

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22
Q

Teres Major

A

O: posterior surface of scapula at inferior angle
I: lateral side of intertubercular sulcus and greater tubercle of humerus

Primary Movements
SHOULDER JOINT
- extension
- adduction
- medial rotation
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23
Q

Teres Minor

A

O: dorsal surface of axillary border of scapula
I: greater tubercle of humerus

Primary Movements
SHOULDER JOINT
- lateral rotation

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24
Q

Infraspinatus

A

O: infraspinous fossa of scapula
I: greater tubercle of humerus (between insertions of teres minor and supraspinatus)

Primary Movements
SHOULDER JOINT
- lateral rotation

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25
Q

Supraspinatus

A

O: supraspinous fossa of scapula
I: greater tubercle of humerus

Primary Movements
SHOULDER JOINT
- abduction

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26
Q

Biceps Brachii

A

O: coracoid process (short head); tendon of long head passes along intertubercular sulcus into shoulder joint capsule, attaches at superior edge of glenoid cavity
I: radial tuberosity

Primary Movements
ELBOW & RADIOULNAR JOINTS
- flexion
- supination

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27
Q

Brachioradialis

A

Primary Movements
ELBOW & RADIOULNAR JOINTS
- flexion

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28
Q

Brachialis

A

Primary Movements
ELBOW & RADIOULNAR JOINTS
- flexion

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29
Q

Triceps Brachii

A

O: inferior edge of glenoid cavity (long head); posterior shaft of humerus (lateral & medial heads)
I: olecranon process of ulna

Primary Movements
ELBOW & RADIOULNAR JOINTS
- extension

30
Q

Pronator Quadratus

A

Primary Movements
ELBOW & RADIOULNAR JOINTS
- pronation

31
Q

Pronator teres

A

Primary Movements
ELBOW & RADIOULNAR JOINTS
- pronation

32
Q

Supinator

A

Primary Movements
ELBOW & RADIOULNAR JOINTS
- supination

33
Q

Flexor Carpi Radialis

A

Primary Movements

- wrist flexion

34
Q

Palmaris Longus

A

Primary Movements

- wrist flexion

35
Q

Flexor Digitorum Superficialis

A

Primary Movements

- wrist and phalanges flexion

36
Q

Flexor Carpi Ulnaris

A

Primary Movements

- wrist flexion

37
Q

Flexor Pollicus Longus

A

Primary Movements

- thumb flexion

38
Q

Flexor Digitorum Profundus

A

Primary Movements

- phalanges flexion

39
Q

Extensor Carpi Radialis Longus

A

Primary Movements

- wrist extension

40
Q

Extensor Carpi Radialis Brevis

A

Primary Movements

- wrist extension

41
Q

Extensor Digitorum

A

Primary Movements

- phalanges and wrist extension

42
Q

Extensor Carpi Ulnaris

A

Primary Movements

- wrist extension

43
Q

Abductor Pollicis Longus

A

Primary Movements

- thumb abduction

44
Q

Extensor Pollicis Brevis

A

Primary Movements

- thumb extension

45
Q

Extensor Pollicis Longus

A

Primary Movements

- thumb extension

46
Q

Adductor Pollicis

A

Primary Movements

- thumb adduction

47
Q

Gluteus Maximus

A

O: dorsal ilium, sacrum & coccyx
I: gluteal tuberosity of femur & iliotibial tract

Primary Movements

  • hip extension
  • hip lateral rotation
48
Q

Gluteus Medius

A

O: lateral surface of ilium
I: lateral side of greater trochanter of femur

Primary Movements
- hip abduction

49
Q

Gluteus minimus

A

Primary Movements

- hip medial rotation

50
Q

Piriformis and Lateral Rotator Group

A

Primary Movements

- hip lateral rotation

51
Q

Semimembranosus

A

O: ischial tuberosity
I: medial condyle of tibia

Primary Movements

  • hip extension
  • knee flexion
52
Q

Semitendinosus

A

O: ischial tuberosity
I: medial surface of upper tibia

Primary Movements

  • hip extension
  • knee flexion
53
Q

Biceps Femoris

A

O: ischial tuberosity (long head); linea aspera to distal femur (short head)
I: lateral head of fibula and condyle of tibia

Primary Movements

  • hip extension
  • knee flexion
54
Q

Adductors Magnus, Longus, and Brevis

A

Primary Movements

- hip adduction

55
Q

Gracilis

A

Primary Movements

- hip adduction

56
Q

Iliopsoas

A

O: iliac fossa (iliacus); lateral vertebral bodies of T12 - L4 and associated intervetebral discs (psoas major)
I: lesser trochanter of femur

Primary Movements
- hip flexion

57
Q

Rectus Femoris

A

O: anterior inferior iliac spine and superior edge of acetabulum
I: patella and tibial tuberosity via quadriceps tendon

Primary Movements

  • hip flexion
  • knee extension
58
Q

Vastus Lateralis

A

O: linea aspera, posterior femur and greater trochanter
I: patella and tibial tuberosity via quadriceps tendon

Primary Movements
- knee extension

59
Q

Vastus Intermedius

A

O: anterior and lateral shaft of proximal femur
I: patella and tibial tuberosity via quadriceps tendon

Primary Movements
- knee extension

60
Q

Vastus Medialis

A

O: linea aspera along posterior and medial femur to medial condyle
I: patella and tibial tuberosity via quadriceps tendon

Primary Movements
- knee extension

61
Q

Gastrocnemius

A

O: by 2 heads from medial and lateral condyles of femur
I: posterior calcaneus via calcaneal tendon

Primary Movements
- plantar flexion

62
Q

Soleus

A

O: extensive origin from superior tibia, fibula, and interosseous membrane
I: posterior calcaneus via calcaneal tendon

Primary Movements
- plantar flexion

63
Q

Tibialis Posterior

A

Primary Movements

- inversion

64
Q

Flexor Digitorum Longus

A

Primary Movements

- flexion of toes 2 - 5

65
Q

Flexor Hallucis Longus

A

Primary Movements

- flexion of great toe

66
Q

Fibularis Longus

A

Primary Movements

- eversion

67
Q

Fibularis Brevis

A

Primary Movements

- eversion

68
Q

Tibialis Anterior

A

Primary Movements

  • dorsiflexion
  • inversion
69
Q

Extensor Digitorum Longus

A

Primary Movements

  • dorsiflexion
  • eversion
  • extension of toes 2 - 5
70
Q

Extensor Hallucis Longus

A

Primary Movements

  • dorsiflexion
  • extension of great toe

anatomy (14 decks)

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