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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
Supraspinatus
O: supraspinous fossa of scapula I: greater tubercle of humerus Primary Movements SHOULDER JOINT - abduction
26
Biceps Brachii
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
27
Brachioradialis
Primary Movements ELBOW & RADIOULNAR JOINTS - flexion
28
Brachialis
Primary Movements ELBOW & RADIOULNAR JOINTS - flexion
29
Triceps Brachii
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
Pronator Quadratus
Primary Movements ELBOW & RADIOULNAR JOINTS - pronation
31
Pronator teres
Primary Movements ELBOW & RADIOULNAR JOINTS - pronation
32
Supinator
Primary Movements ELBOW & RADIOULNAR JOINTS - supination
33
Flexor Carpi Radialis
Primary Movements | - wrist flexion
34
Palmaris Longus
Primary Movements | - wrist flexion
35
Flexor Digitorum Superficialis
Primary Movements | - wrist and phalanges flexion
36
Flexor Carpi Ulnaris
Primary Movements | - wrist flexion
37
Flexor Pollicus Longus
Primary Movements | - thumb flexion
38
Flexor Digitorum Profundus
Primary Movements | - phalanges flexion
39
Extensor Carpi Radialis Longus
Primary Movements | - wrist extension
40
Extensor Carpi Radialis Brevis
Primary Movements | - wrist extension
41
Extensor Digitorum
Primary Movements | - phalanges and wrist extension
42
Extensor Carpi Ulnaris
Primary Movements | - wrist extension
43
Abductor Pollicis Longus
Primary Movements | - thumb abduction
44
Extensor Pollicis Brevis
Primary Movements | - thumb extension
45
Extensor Pollicis Longus
Primary Movements | - thumb extension
46
Adductor Pollicis
Primary Movements | - thumb adduction
47
Gluteus Maximus
O: dorsal ilium, sacrum & coccyx I: gluteal tuberosity of femur & iliotibial tract Primary Movements - hip extension - hip lateral rotation
48
Gluteus Medius
O: lateral surface of ilium I: lateral side of greater trochanter of femur Primary Movements - hip abduction
49
Gluteus minimus
Primary Movements | - hip medial rotation
50
Piriformis and Lateral Rotator Group
Primary Movements | - hip lateral rotation
51
Semimembranosus
O: ischial tuberosity I: medial condyle of tibia Primary Movements - hip extension - knee flexion
52
Semitendinosus
O: ischial tuberosity I: medial surface of upper tibia Primary Movements - hip extension - knee flexion
53
Biceps Femoris
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
Adductors Magnus, Longus, and Brevis
Primary Movements | - hip adduction
55
Gracilis
Primary Movements | - hip adduction
56
Iliopsoas
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
Rectus Femoris
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
Vastus Lateralis
O: linea aspera, posterior femur and greater trochanter I: patella and tibial tuberosity via quadriceps tendon Primary Movements - knee extension
59
Vastus Intermedius
O: anterior and lateral shaft of proximal femur I: patella and tibial tuberosity via quadriceps tendon Primary Movements - knee extension
60
Vastus Medialis
O: linea aspera along posterior and medial femur to medial condyle I: patella and tibial tuberosity via quadriceps tendon Primary Movements - knee extension
61
Gastrocnemius
O: by 2 heads from medial and lateral condyles of femur I: posterior calcaneus via calcaneal tendon Primary Movements - plantar flexion
62
Soleus
O: extensive origin from superior tibia, fibula, and interosseous membrane I: posterior calcaneus via calcaneal tendon Primary Movements - plantar flexion
63
Tibialis Posterior
Primary Movements | - inversion
64
Flexor Digitorum Longus
Primary Movements | - flexion of toes 2 - 5
65
Flexor Hallucis Longus
Primary Movements | - flexion of great toe
66
Fibularis Longus
Primary Movements | - eversion
67
Fibularis Brevis
Primary Movements | - eversion
68
Tibialis Anterior
Primary Movements - dorsiflexion - inversion
69
Extensor Digitorum Longus
Primary Movements - dorsiflexion - eversion - extension of toes 2 - 5
70
Extensor Hallucis Longus
Primary Movements - dorsiflexion - extension of great toe

anatomy (14 decks)

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