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Appendicular Muscles > quiz 6 > Flashcards

quiz 6 Flashcards

1
Q

Pectoralis Major

A

Origin: medial half of clavicle
Insertion: Lateral lip of intertubercular groove on humerus
Action: Flexion, medial rotation, and adduction of the arm

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2
Q

Pectoralis Minor

A

Origin: External surfaces of ribs 3-5
Insertion: Coracoid process of scapula
Action: Depression and inferior rotation of scapula.

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3
Q

Serratus Anterior

A

O:External surfaces of ribs 1-8
I: Medial border of scapula
A:Protraction and superior rotation fo scapula. holds scapula against thoracic wall

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4
Q

Latissimus Dorsi

A

O: Spinous process of vertebrae T6-T12, thoracolumbar fascia, iliac crest, ineror three ribs
I: Intertubercular grove of humerus
A: Extension, adduction, and medial rotation of the arm

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5
Q

Trapezius

A

O: Posterior surface of occipital bone, ligamentum nuchae, spinous process of thoracic vertebrae
I:Lateral third fo clavicle, acrmonion process, spine of scapula
A: Superior fibers- elevate scapulae
Middle fibers- abduction of arm
Inferior fibers- depress scapula

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6
Q

Deltoid

A

O:lateral third of clavicle, acromonion process, spine of scapula
I:Deltoid tuberosity of the humerus
A: Anterior fibers- medial rotation and flexion of the arm
middle fibers- abduction of arm
Posterior fibers- lateral rotation and extension of arm.

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7
Q

Rhombiod minor

A

O:ligamentum nuchae, spinous process of vertebrae c7 and t1
I:Medial border of scapula
A:Elevates sapula, acts with pectoralis minor to inferiorly rotate scapula

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8
Q

Teres Major

A

O:scapula near inferior angle
I:medial border of scapula
A:Extension, adduction, and medial rtation or arm

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9
Q

Supraspinatus

A

O: Supraspinous fossa of scapula
I: Greater tubercule of humerus
A: Abduction of arm

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10
Q

Infraspinatus

A

O: Infraspinous fossa of scapula
I: Greater tubercule of humerus
A: Lateral rotation of arm

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11
Q

Teres Minor

A

O: Lateral border of scapula
I: greater tubercle of humerus
A: lateral rotation of the arm

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12
Q

Subscapularis

A

O: Subscapular fossa of the scapula
I: lesser tubercule of humerus
A: adduction and medial rotation of the arm

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13
Q

Biceps Brachii

A

O: Long head- superior margin of glenoid fossa of scapula
short head- coracoid process of scapula
I: Radial tuberosity of radius, fascia of medial forearm via bicipital aponeurosis
A: flexion and supination of forearm, flexion of arm

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14
Q

Brahcialis

A

O: Anterior surface of humerus
I: Coroniod process f ulna
A: Flexion of forearm

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15
Q

Coracobrachialis

A

O: coracoid process of scapula
I: Medial surface of humerus
A: Flexion and adduction of the arm

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16
Q

Triceps Brachii

A

O: Long head- inferior margin of glenoid fossa of scapula
lateral head- posterior surface of humerus
medial head- posterior surface of humerus,inferior to origin of lateral head
I: Olecranon process of ulna
A: Extension of the forearm, long head extends and adducts the arm

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17
Q

Pronator Teres

A

O: Medial Epicondyle of humerus, coranoid process of ulna
I: Lateral surface of radius
A: Pronation and flexion of the forearm

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18
Q

Flexor Carpi Radialis

A

O: Medial epicondyle of humerus
I: base of metacarpal of the second digit
A: Flexion and abduction of the wrist

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19
Q

Palmaris Longus

A

O: Medial epicondyle of humerus
I: Flexor retinaculum, palmar aponeurosis
A: Flexion of wrist

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20
Q

Flexor Carpi Ulnaris

A

O: Medial epicondyle of humerus
I: Medial carpal bones, metacarpal fifth digit
A: flexion and adduction of the wrist

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21
Q

Flexor Pollicis Longus

A

O: Anterior surface of radius, interosseous membrane
I: Distal Phalanx of thumb
A: Flexion of wrist and thumb

22
Q

Brachioradialis

A

O: Lateral supracondylar ridge of humerus
I: Lateral surface of distal radius
A: Flexion of forearm

23
Q

Extensor Carpi Radialis Longus

A

O: Lateral supracondylar ridge of humerus
I: Metacarpal of the second digit
A: Extension and abduction of the wrist

24
Q

Extensor Carpi Radialis Brevis

A

O: Lateral epicondyle of humerus
I: Metacarpal of third digit
A: Etension and abduction of the wrist

25
Q

Extensor Digitorum

A

O: Lateral epicondyle or humerus
I: Extensor expansion of medial four digits
A: Extension of wrist and fingers

26
Q

Extensor Carpi Ulnaris

A

O: Lateral epicondyle of humerus, posterior surface of the ulna
I: metacarpal of the fifth digit
A: Extension and adduction of the wrist

27
Q

Aconeus

A

O: Lateral epicondyle of humerus
I: Olecranon process of ulna
A: very weak extension of forearm

28
Q

Supinator

A

O: Lateral epicondyle of humerus, proximal ulna
I: Posterior, lateral, and anterior surfaces of proximal radius
A: supination of the forearm

29
Q

Abductor Pollicis Longus

A

O: Posterior surfaces of radius and ulna, interosseous membrane
I: Metacarpal of thumb
A: Abducts and extends thumb

30
Q

Gluteus Maximus

A

O: Lateral surface of ilium, dorsal surface of sacrum and coccyx
I: Iliotibial tract, gluteal tuberosity of femur
A: Extension and lateral rotation of thigh, powerful extensor for climbing and running, stabilizes pelvis and thigh while standing erect

31
Q

Gluteus medius

A

O: Lateral surface of ilium
I: Greater trochanter of femur, lateral surface
A: Abduction and medial rotation of thigh, steadies the pelvis during walking

32
Q

Gluteus minimum

A

O: Lateral surface of ilium, inferior to origin of gluteus
I: Greater trochanter of femur, lateral surface
A: abduction and medial rotation of thigh, steadies the pelvis during walking

33
Q

Piriformis

A

O: Anterior surface of sacrum
I: Greater trochanter of femur, superior surface
A: Abducts thigh

34
Q

Iliacus

A

O: Iliac fossa, anterior surface of sacrum
I: Greater trochanter of femur
A: Flexion of the thigh

35
Q

Psoas Major

A

O: Bodies of vertebrae t12-l5 nerves
I: Lesser trochanter of femur
A: Flexion of thigh

36
Q

Sartorius

A

O: Anterior surface iliac spine of ilium
I: Medial surface of tibia near the knee joint
A: Flexion, abduction, and lateral rotation of thigh, flexion of leg

37
Q

Rectus femoris

A

O: Anterior inferior iliac spine of ilium
I: Patella by the quadriceps tendon and tibial tuberosity by the patellar ligament
A: Extension of leg, flexion of thigh

38
Q

Vastus Lateralis

A

O: Greater trochanter and lateral lip of linea aspera of femur
I: patella by the quadriceps tendon and tibial tuberosity by the patellar ligament
A: Extension of leg

39
Q

Vastus Medialis

A

O: Interochanteri line and medial lip of linea aspera
I: Patella by the quadriceps tendon and tibial tuberosity by the patellar ligament
A: Extension of leg

40
Q

Tensor fasciae latae

A

O: Anterior superior iliac spine of ilium
I: iliotibial tract
A: Flexes, abducts, and medially rotates thigh , steadies trunk on thigh while standing

41
Q

Pectineus

A

O: Superior ramus of pubic bone
I: Pectineal line of femur
A: Adduction and flexion of thigh

42
Q

Adductor longus

A

O: Body of pubic bone
I: linear apera of femur
A: adduction and flexin of thigh

43
Q

Gracilis

A

O: Body and inferior ramus of pubic bone
I: Medial surface of tibia, near the knee joint
A: Adduction of thigh, flexion and medial rotation of leg

44
Q

Semitendinosus

A

O: Ischial tuberosity of ischium
I: Medial surface of tibia near the knee joint
A: Extension of thigh, flexion of leg

45
Q

Semimenbranosus

A

O: Ischial tuberosity of ischium
I: Posterior surface of medial condyle of tibia
A: Extension of thigh, flexion of leg

46
Q

Tibialis Anterior

A

O: Lateral condyle and lateral surface of tibia, onterosseus
I: medial cuneiform bone and forst metatarsal
A: Dorsiflexion and inversion of the foot

47
Q

Extensor Digitorum Longus

A

O: Lateral condyle of tibia, medial surface of fibula, interosseous membrane
I: Middle and distal phalanges of digits 2-5
A: Dorsiflexion of the foot, extension of the toes

48
Q

Peroneus Longus

A

O: Head and lateral surface of fibula
I: first metatarsal and medial cuneiform
A: eversion of the foot

49
Q

Peroneus Brevis

A

O: Lateral surface of fibula
I: fifth metatarsal
A: Eversion of the foot

50
Q

Gastrocnemius

A

O: Lateral head- lateral condyle of femur
medial head- popliteal surface of femur, just superior to medial condyle
I: calaneus by the calcaneal (achilles) tendon
A: Plantar flexion of foot, flexion of the leg

51
Q

Soleus

A

O: Head of fibula, posterior surface of fibula, posterior surface of fibula, medial aspect of tibia
I: Calcaneus by the calcneal (achilles) tendon
A: Plantar flexion of foot

Appendicular Muscles (1 decks)

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