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Human Anatomy & Physiology > Lab 9 - Appendicular Muscles > Flashcards

Lab 9 - Appendicular Muscles Flashcards

1
Q

Action and attachment of serratus anterior:

A

Action: Draws scapula laterally and forward (forward-reaching and pushing actions)
Attachment: All ribs and medial border of scapula

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2
Q

Action and attachment of trapezius:

A

Action: Stabilizes scapula and shoulder during arm movements; elevates and depresses apex of shoulder
Attachment: Base of skull, cervical and thoracic portion of the spine, scapula, and clavicle

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3
Q

Action and attachment of deltoid:

A

Action: Anterior fibers flex and medially rotate arm; lateral fibers abduct arm; posterior fibers extend and laterally rotate arm
Attachment: Clavicle, scapula, and humerus

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4
Q

Action and attachment of teres major:

A

Action: Extends and medially rotates humerus
Attachment: Inferior angle of scapula and intertubercular groove of humerus

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5
Q

Action and attachment of latissimus dorsi:

A

Action: Adducts and medially rotates humers; extends shoulder joint; backswing
Attachment: T7-L5, lower 3-4 ribs, and iliac crest

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6
Q

Action and attachment of pectoralis major:

A

Action: Flexes, adducts, and medially rotates humerus; deep inspriation
Attachment: Medial half of clavicle, costal cartilages 1-7

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7
Q

Action and attachment of supraspinatus:

A

Action: Aids deltoid in abduction of arm, resists downward slippage of humeral head
Attachment: Supraspinous fossa (scapula) and greater tubercle of humerus

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8
Q

Action and attachment of infraspinatus:

A

Action: Modulates action of deltoid, resists upward slippage of the humeral head, rotates humerus laterally
Attachment: Infraspinous fossa, greater tubercle

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9
Q

Action and attachment of teres minor:

A

Action: Modulates action of deltoid, prevents upward slippage of humeral head, rotates humerus laterally
Attachment: Scapula, greater tubercle

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10
Q

Action and attachment of subscapularis:

A

Action: Modulates action of deltoid, prevents upward slippage of humeral head as arm is abducted, rotates humerus medially
Attachment: Subscapular fossa, less tubercle

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11
Q

Action and attachments of brachialis:

A

Action: Prime mover of elbow flexion
Attachment: Anterior surface of distal end of humerus, coronoid process (ulna)

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12
Q

Action and attachment of biceps brachii:

A

Action: Supination of forearm
Attachment: Long head inserts into glenoid cavity; short head inserts into coracoid process (scapula)

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13
Q

Action and attachment of triceps brachii:

A

Action: Extends elbow; long head extends and adducts humerus
Attachment: Glenoid cavity (scapula), proximal end of humerus, olecranon

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14
Q

Action and attachment of brachioradialis:

A

Action: Flexes elbow
Attachment: Lateral supracondylar ridge of humerus

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15
Q

Action and attachment of pronator quadratus:

A

Action: Forearm protonation
Attachment: Anterior surface of distal ulna and radius

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16
Q

Action and attachment of protnator teres:

A

Action: Assists in protonation
Attachment: Humeral shaft near medial epicondyle, coronoid process (ulna)

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17
Q

Action and attachment of supinator:

A

Action: Supinates forearm
Attachment: Lateral epicondyle (humerus), supinator crest (ulna)

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18
Q

Action and attachment of flexor carpi radialis:

A

Action: Flexes wrist anteriorly, aids in radial flexion of wrist
Attachment: Medial condyle (humerus), base of metacarpals 2-3

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19
Q

Action and attachment of flexor carpi ulnaris:

A

Action: Flexes wrist anteriorly, aids in ulnar flexion of wrist
Attachment: Medial epicondyle (humerus), olecranon

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20
Q

Action and attachment of palmaris longus:

A

Action: Anchors skin and fascia of palmar region
Attachment: Medial epicondyle, flexor retinaculum

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21
Q

Action and attachment of flexor digitorum superficialis:

A

Action: Flexes wrist, intercarpophalangeal and interphalangeal joints
Attachment: Medial epicondyle, coronoid process (ulna)

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22
Q

Action and attachment of flexor digitorum profundis:

A

Action: Flexes wrist
Attachment: Proximal 3/4 of ulna, coronoid process (ulna)

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23
Q

Action and attachment of flexor pollicis longus:

A

Action: Flexes phalanges of thumb
Attachment: Radius and distal phalanx 1

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24
Q

Action and attachment of extensor carpi radialis longus:

A

Action: Extends wrist, aids in radial flexion of wrist
Attachment: Lateral supracondylar ridge of humerus

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25
Action and attachment of extensor carpi radialis brevis:
Action: Extends wrists; aids in radial flexion of wrist Attachment: Lateral epicondyle of humerus
26
Action and attachment of extensor digitorum:
Action: Extends wrist and finger joints, spreads digits apart Attachment: Lateral epicondyle
27
Action and attachment of extensor digiti minimi:
Action: Extends wrist and all joints of little finger Attachment: Lateral epicondyle
28
Action and attachment of extensor carpi ulnaris:
Action: Extends and fixes wrist when fist is clenched Attachment: Lateral epicondyle
29
Action and attachment of abductor pollicis longus:
Action: Abducts thumb in frontal plane Attachment: Posterior surfaces if radius and ulna
30
Action and attachment of extensor pollicis brevis:
Action: Extends metacarpal 1 and proximal phalanx of thumb Attachment: Shaft of radius
31
Action and attachment of extensor pollicis longus:
Action: Extends distal phalanx 1, adducts and laterally extends thumb Attachment: Posterior surface of ulna
32
Action and attachment of extensor indicis:
Action: Extends wrist and index finger Attachment: Posterior surface of ulna
33
Action and attachment of adductor pollicis:
Action: Draws thumb toward palm; gripping tools Attachment: Capitate, anterior ligaments of wrist
34
Action and attachment of abductor pollicis brevis:
Action: Abducts thumb in sagittal plane Attachment: Flexor retinaculum, scaphoid, trapezium
35
Action and attachment of flexor pollicis brevis:
Action: Flexes metacarpophalangeal joint of thumn Attachment: Trapezium, trapezoid, capitate
36
Action and attachment of opponens pollicis:
Action: Flexes metacarpal 1 to oppose thumb to fingertips Attachment: Trapezium
37
Action and attachment of abductor digiti minimi:
Action: Abducts little finger; spreads fingers Attachment: Pisiform
38
Action and attachment of flexor digiti minimi brevis:
Action: Flexes little finger at metacarpophalangeal joint Attachment: Hamulus of hamate
39
Action and attachment of opponens digiti minimi;
Action: Flexes metacarpal V at carpometacarpal joint Attachment: Hamulus of hamate
40
Action and attachment of gluteus maximus:
Action: Extends thigh at hip, abducts thigh, elevates trunk after stooping Attachment: Iliac crest, latera condyle of tibia
41
Action and attachment of gluteus medius:
Action: Abduct and medially rotate thigh Attachment: Posterior gluteal line of ilium, coccyx, gluteal tuberosity (femur)
42
Action and attachment of gluteus minimus:
Action: Abduct the hip, medially rotate thigh Attachment: Ilium and femur
43
Action and attachment of adductor brevis:
Action: Adducts thigh Attachment: Body and inferior ramus of pubis, linea aspera (femur)
44
Action and attachment of adductor longus:
Action: Adducts and medially rotates thigh, flexes thigh at hip Attachment: Body and inferior ramus of pubis, linea aspera (femur)
45
Action and attachment of adductor magnus:
Action: Adducts and medially rotates thigh, extends thigh at hip Attachment: Inferior ramus of pubis, ischial tuberosity, linea aspera
46
Action and attachment of gracilis:
Action: Flexes and medially rotates tibia at knee Attachment: Body and inferior ramus of pubis, ramus of ischium
47
Action and attachment of pectineus:
Action: Flexes and adducts thigh Attachment: Superior ramus of pubis, spiral line (femur)
48
Action and attachment of piriformis:
Action: Laterally rotates extended thigh; abducts flexed thigh Attachment: Anterior surface of sacrum, gluteal surface of ilium
49
Action and attachment of sartorius:
Action: Aids in knee flexion, abducts and laterally rotates thigh Attachment: Anterior superior spine of ilium, proximal end of tibia
50
Action and attachment of quadriceps femoris:
Action: Extends the knee Attachment: Patella, tibial tuberosity, lateral and medial condyles of tibia
51
Action and attachment of rectus femoris:
Action: Extends knee, flexes thigh at hip Attachment: Ilium, acetabulum
52
Action and attachment of vastus lateralis:
Action: Extends knee, retains patella in groove on femur during knee movements Attachment: Greater trochanter (femur), gluteal tuberosity
53
Action and attachment of vastus medialis:
Action: Extends knee, retains patella in groove on femur during knee movements Attachment: Greater trochanter (femur), gluteal tuberosity
54
Action and attachment of vastus intermedius:
Action: Extends knee Attachment: Anterior and lateral surfaces of femoral shaft
55
Action and attachment of tibialis anterior:
Action: Dorsiflexes and inverts foot, resists backward tipping of body Attachment: Lateral condyle and tibia
56
Action and attachment of extensor digitorum longus:
Action: Extends toes, dorsiflexion Attachment: Lateral condyle of tibia and shaft of fibula
57
Action and attachment of extensor hallucis longus:
Action: Extends great toe Attachment: Anterior surface of fibula
58
Action and attachment of fibularis (peroneus) longus:
Action: Maintains concavity of sole during tip-toeing Attachment: Head and lateral surface of proximal end of fibula
59
Action and attachment of fibularis (peroneus) brevis:
Action: Maintains concavity of sole during tip-toeing Attachment: Lateral surface of distal end of fibula
60
Action and attachment of gastrocnemius:
Action: Plantar flexion, flexes knee Attachment: Condyles, popliteal surface, calcaneus
61
Action and attachment of soleus:
Action: Plantar flexion Attachment: Posterior surface of fibula, tibia, and calcaneus
62
Action and attachment of flexor hallucis longus:
Action: Same as flexor digitorum longus, but for hallux Attachment: Distal end of fibula, and hallux
63
Action and attachment of flexor digitorum longus:
Action: Flexes phalanges of digits 2-5 Attachment: Posterior surface of tibial shaft
64
Action and attachment of tibialis posterior:
Action: Inverts foot Attachment: Tibia, fibula, navicular
65
Define baseball finger:
Tears in the extensor tendons of the fingers
66
Define blocker's arm:
Abnormal calcification in the lateral margin of the forearm
67
Define charley horse:
Any pain ful tear, stiffness, and blood blotting in a muscle; usually in the quadriceps femoris
68
Define pitcher's arm:
Inflammation at the proximal attachment of the flexor carpi muscles
69
Define pulled groin:
Strain in the adductor muscles of the thigh; usually caused by splits or high kicks
70
Define pulled hamstrings:
Strained hamstring muscles or a partial tear in their tendons
71
Define tennis elbow:
Inflammation at the proximal attachment of the extensor carpi muscles on the lateral epicondyle of the humerus

Human Anatomy & Physiology (9 decks)

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