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Anatomy And Physiology 1 > Chpt. 9.7 Muscles > Flashcards

Chpt. 9.7 Muscles Flashcards

Muscles required for test

1
Q

Epicranius

A

Origin: occipital bone
Insertion: skin around eye
Action: Elevates eyebrows

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2
Q

Orbicularis oculi

A

Origin: maxillary and frontal bones
Insertion: skin around eye
Action: closes eye as in blinking

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3
Q

Orbicularis oris

A

Origin: muscles near mouth
Insertion: skin of central lip
Action: closes lips, protrudes lips as for kissing

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4
Q

Buccinator

A

Origin: alveolar processes of maxilla and mandible
Insertion: obicularis oris
Action: compresses cheeks

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5
Q

Zygomaticus major

A

Origin: zygomatic bone
Insertion: skin and muscle at corner of mouth
Action: elevates corner of mouth as when smiling

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6
Q

Zygomaticus minor

A

Origin: zygomatic bone
Insertion: skin and muscle at corner of mouth
Action: elevates corner of mouth as when smiling

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7
Q

Platysma

A

Origin: fascia in upper chest
Insertion: skin and muscles below mouth; mandible
Action: depresses lower lip and angle of mouth as when smiling

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8
Q

Masseter

A

Origin: Zygomatic arch
Insertion: lateral surface of ramus of mandible
Action: elevates and protracts mandible

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9
Q

Temporalis

A

Origin: temporal bone
Insertion: coronoid process and anterior ramus of mandible
Action: elevates and retracts mandible

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10
Q

Medial pterygoid

A

Origin: sphenoid, palatine, and maxillary bones
Insertion: medial surface of ramus of mandible
Action: elevates mandible and moves it from side to side

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11
Q

Lateral pterygoid

A

Origin: Sphenoid bone
Insertion: anterior surface of mandibular condyle
Action: depresses and protracts mandible and moves it side to side

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12
Q

Trapezius

A

Origin: occipital bone, ligamentum nuchae, and spinous processes of 7th cervical and all thoracic vertebrae
Action: retracts shoulder, extends neck

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13
Q

Rhomboid major

A

Origin: spinous processes of upper thoracic vertebrae
Insertion: medial border of scapula
Action: retracts, elevates, and rotates scapula

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14
Q

Rhomboid minor

A

Origin: spinous processes of lower cervical vertebrae
Insertion: medial border of scapula
Action: retracts and elevates scapula

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15
Q

Levator scapulae

A

Origin: transverse processes of cervical vertebrae
Insertion: medial border of scapula
Action: elevates scapula

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16
Q

Serratus anterior

A

Origin: anterior surfaces of upper ribs
Insertion: medial border of scapula
Action: protracts and rotates scapula

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17
Q

Pectoralis minor

A

Origin: anterior surface of ribs 3-5
Insertion: coracoid process of scapula
Action: depresses and protracts scapula, elevates ribs during forceful inhalation

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18
Q

Coracobrachialis

A

Origin: coracoid process of scapula
Insertion: medial mid-shaft of humerus
Action: flexes shoulder and adducts arm

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19
Q

Pectoralis major

A

Origin: clavicle, sternum, and costal cartilages of upper ribs
Insertion: intertubercular sulcus of humerus
Action: flexes shoulder, adducts, and rotates arm medially

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20
Q

Latissimus dorsi

A

Origin: spines of sacral, lumbar, and lower thoracic vertebrae, iliac crest, and lower ribs
Insertion: intertubercular sulcus of humerus
Action: extends/retracts and depresses shoulder, adducts and rotates arm medially

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21
Q

Supraspinatus

A

Origin: supraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: abducts arm

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22
Q

Deltoid

A

Origin: Acromion process, spine of the scapula, and the clavicle
Insertion: deltoid tuberosity of humerus
Action: lateral portion abducts arm, anterior portion flexes shoulder, posterior portion extends shoulder

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23
Q

Subscapularis

A

Origin: anterior surface of scapula
Insertion: lesser tubercle of humerus
Action: rotates arm medially

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24
Q

Infraspinatus

A

Origin: infraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: rotates aremm laterally

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25
Teres minor
Origin: lateral border of scapula Insertion: greater tubercle of humerus Action: rotates arm laterally
26
Biceps brachii
Origin: coracoid process and tubercle above glenoid cavity of scapula Insertion: radial tuberosity of radius Action: flexes elbow and supinates forearm and hand
27
Brachialis
Origin: anterior surface of humerus Insertion: coronoid process of ulna Action: flexes elbow
28
Brachioradialis
Origin: distal lateral end of humerus Insertion: lateral surface of radius above styloid process Action: flexes elbow
29
Triceps brachii
Origin: tubercle below glenoid cavity and lateral and posterior surfaces of humerus Insertion: olecranon process of ulna Action: extends elbow
30
Supinator
Origin: lateral epicondyle of humerus and crest of ulna Insertion: anterior and lateral surface of radius Action: rotates forearm laterally, supinates forearm and hand
31
Pronator teres
Origin: medial epicondyle of humerus and coronoid process of ulna Insertion: lateral surface of radius Action: rotates forearm medially; pronates forearm and hand
32
Pronator quadratus
Origin: anterior distal and of ulna Insertion: anterior distal end of radius Action: rotates forearm medially; pronates forearm and hand
33
Flexor carpi radialis
Origin: Medial epicondyle of humerus Insertion: base of second and third metacarpals Action: flexes wrist and abducts hand
34
Flexor carpi unlaris
Origin: medial epicondyle of humerus and olecranon process of ulna Insertion: carpal and metacarpal bones Action: flexes wrist and adducts hand
35
Palmaris longus
Origin: medial epicondyle of humerus Insertion: fascia of palm Action: flexes wrist
36
Flexor digitorum profundus
Origin: anterior and medial surface of ulna Insertion: distal phalanges of fingers 2-5 Action: flexes wrist and joints of fingers
37
Flexor digitorum superficialis
Origin: medial epicondyle of humerus, coronoid process of ulna, and radius Insertion: tendons of fingers Action: flexes wrist and joints of fingers
38
Extensor carpi radialis longus
Origin: lateral end of humerus Insertion: base of second metacarpal Action: extends wrist and abducts hands
39
Extensor carpi radialis brevis
Origin: lateral epicondyle of humerus Insertion: base of third metacarpal Action: extends wrist and abducts hand
40
Extensor carpi ulnaris
Origin: lateral epicondyle of humerus and proximal, posterior ulna Insertion: base of fifth metacarpal
41
Extensor digitorum
Origin: lateral epicondyle of humerus Insertion: posterior surface of phalanges in fingers 2-5
42
External oblique
Origin: outer surfaces of lower 8 ribs Insertion: outer lip of iliac crest and linea alba Action: compresses abdomen flexes and rotates vertebral column
43
Internal oblique
Origin: iliac crest and inguinal ligament Insertion: lower 3-4 ribs, linea alba, and crest of pubis Action: compresses abdomen, flexes and rotates vertebral column
44
Transversus abdominus
Origin: costal cartilages of lower 6 ribs, processes of lumbar vertebrae, lip of iliac crest, and inguinal ligament Insertion: linea alba and crest of pubis Action: compresses abdomen, flexes and rotates vertebral column
45
Rectus abdominus
Origin: crest of pubis and pubic symphysis Insertion: xiphoid process of sternum and ribs 5-7 Action: Compresses abdomen, flexes vertebral column
46
Psoas major
Origin: bodies and transverse processes of lumbar vertebrae Insertion: lesser trochanter of femur Action: flexes hip
47
Iliacus
Origin: iliac fossa of ilium Insertion: lesser trochanter of femur Action: flexes hip
48
Gluteus maximus
Origin: Sacrum, coccyx, and posterior surface of ilium Insertion: posterior surface of femur and fascia of thigh Action: extends hip
49
Gluteus medius
Origin: lateral surface of ilium Insertion: greater trochanter of femur Action: abducts and rotates thigh medially
50
Gluteus minimus
Origin: lateral surface of ilium Insertion: greater trochanter of femur Action: abducts and rotates thigh medially
51
Piriformis
Origin: anterior surface of sacrum Insertion: greater trochanter of femur Action: abducts and rotates thigh laterally
52
Tensor fasciae latae
Origin: anterior iliac crest Insertion: iliotibial tract (fascia of thigh) Action: abducts thigh, flexes hip, and rotates thigh medially
53
Pectineus
Origin: spine of pubis Insertion: femur distal to lesser trochanter Action: flexes hip and adducts thigh
54
Adductor brevis
Origin: pubic bone Insertion: posterior surface of femur Action: adducts thigh and flexes hip
55
Adductor longus
Origin: pubic bone near pubic symphysis Insertion: posterior surface of femur Action: adducts thigh and flexes hip
56
Adductor magnus
Origin: ischial tuberosity Insertion: posterior surface of femur Action: adducts thigh, posterior portion extends and anterior portion flexes hip
57
Biceps femoris
Origin: ischial tuberosity and linea aspera of femur Insertion: head of fibular Action: flexes knee, rotates leg laterally, and extends hip
58
Semitendinosus
Origin: ischial tuberosity Insertion: proximal, medial surface of tibia Action: flexes knee, rotates leg medially, and extends hip
59
Semimembranosus
Origin: ischial tuberosity Insertion: medial condyle of tibia Action: flexes knee, rotates leg medially, and extends hip
60
Sartorius
Origin: anterior superior iliac spine Insertion: medial surface of tibia Action: flexes knee and hip, abducts and rotates thigh laterally, and rotates leg medially
61
Rectus femoris
Origin: anterior superior iliac spine and margin of acetabulum Insertion: patella by tendon, which continues as patellar ligament to tibial tuberosity Action: extends knee, flexes hip
62
Vastus lateralis
Origin: greater trochanter and posterior surface of femur Insertion: patella by tendon, which continues as patellar ligament to tibial tuberosity Action: extends knee
63
Vastus medialis
Origin: medial surface of femur Insertion: patella by tendond, which continues as patellar ligament to tibial tuberosity Action: extends knee
64
Vastus intermedius
Origin: anterior and lateral surfaces of femur Insertion: patella by tendon, which continues as patellar ligament to tibial tuberosity Action: extends knee
65
Tibialis anterior
Origin: lateral condyle and lateral surface of tibia Insertion: tarsal bone (medial cuneiform) and first metatarsal Action: dorsiflexion and inversion
66
Fibularis tertius
Origin: anterior surface of fibula Insertion: dorsal surface of fifth metatarsal Action: dorsiflexion and eversion of foot
67
Extensor digitorum longus
Origin: lateral condyle of tibia and anterior surface of fibula Insertion: dorsal surfaces of middle and distal phalanges of four lateral toes Action: dorsiflexion of foot, extends toes
68
Extensor hallicus longus
Origin: anterior surface of fibula Insertion: distal phalanx of the great toe Action: extends great toe, dorsiflexion and inversion of the foot
69
Gastrocnemius
Origin: lateral and medial condyles of femur Insertion: posterior surface of calcaneus Action: plantar flexion of foot, flexes knee
70
Soleus
Origin: head and shaft of fibula and posterior surface of tibia Insertion: posterior surface of calcaneus Action: plantar flexion of foot
71
Plantaris
Origin: femur Insertion: calcaneus Action: plantar flexion of foot, flexion of knee
72
Flexor digitorum longus
Origin: posterior surface of tibia Insertion: distal phalanges of four lateral toes Action: plantar flexion and inversion of foot, flexes four lateral toes
73
Tibialis posterior
Origin: lateral condyle and posterior surface of tibia and posterior surface of fibula Insertion: tarsal and first metatarsal Action: plantar flexion and inversion of foot
74
Fibularis longus
Origin: lateral condyle of tibia and head and shaft of fibula Insertion: tarsal bone (medial cuneiform) and first metatarsal Action: plantar flexion and eversion of foot, also supports arch

Anatomy And Physiology 1 (12 decks)

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