LAB TEST (O/I/A/In) Flashcards

1
Q

Flexor carpi radialis

A

O: medial epicondyle of humerus
I: base of 2nd and 3rd metacarpal
A: flexion & abduction (radial deviation) of hand at wrist jnt
In: Median n.

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2
Q

Flexor carpi ulnaris

A

O: medial epicondyle
I: pisiform, hook of hamate & base of 5th metacarpal
A: flexion & adduction (ulnar deviation) of hand at wrist jnt
In: ulnar n.

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3
Q

Extensor Carpi radialis longus

A

O: lateral supracondylar ridge of humerus
I: base of 2nd metacarpal
A: extension and abduction of hand at wrist jnt
In: radial n.

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4
Q

Extensor carpi radialis brevis

A

O: lateral epicondyle of humerus
I: base of 3rd metacarpal
A: Extension and abduction of hand at wrist jnt
In: radial n.

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5
Q

Extensor carpi ulnaris

A

O: lateral epicondyle of humerus & posterior border of ulna
I: base of 5th metacarpal
A: extension & adduction (ulnar deviation) of hand at wrist jnt
In: radial n.

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6
Q

Pronator Teres

A

O: medial epicondyle of humerus and coronoid process of ulna
I: mid-lateral shaft of radius
A: pronation of forearm at radio-ulnar jnt, flexion of forearm at elbow jnt
In: median n.

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7
Q

Pronator Quadratus

A

O: distal shaft of ulna
I: distal shaft of radius
A: Pronation of forearm at radio-ulnar jnt
In: median n.

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8
Q

Supinator

A

O: Lateral epicondyle of humerus & supinator crest of ulna
I: Lateral proximal 1/3 of radius
A: supination of forearm at radio-ulnar jnts
In: radial n.

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9
Q

Biceps brachii

A

O: (long head) supraglenoid tubercle of scapula; (short head) coracoid process of scapula
I: radial tuberosity of radius & deep fascia of forearm via bicipital aponeurosis
A: flexion of forearm at elbow jnt, supination of forearm at radio-ulnar jnt, flexion of humerus at shoulder jnt
In: musculocutaneous n.

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10
Q

Brachioradialis

A

O: lateral border of distal end of humerus
I: superior to styloid process of radius
A: flexion of forearm at elbow jnt
In: radial n.

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11
Q

Triceps brachii

A

O: (long head) infraglenoid tubercle of scapula; (lateral head) lateral and posterior surface of humerus above radial groove; (medial head) posterior surface of humerus, below radial groove
I: olecranon process of ulna
A: extension of humerus at shoulder jnt & extension of forearm at elbow jnt
In: radial n.

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12
Q

Supraspinatus

A

O: supraspinous fossa of scapula
I: greater tubercle of humerus
A: assists deltoid muscle in abduction of humerus at shoulder jnt
In: Suprascapular n.

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13
Q

Deltoid (ant, middle, post)

A

O: lateral 1/3 of clavicle, acromion and spine of scapula
I: deltoid tuberosity of humerus
A: (ant) flexion and medial rotation of humerus; (lateral) abduction of humerus; (post) extension & lateral rotation of humerus
In: axillary n.

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14
Q

Coracobrachialis

A

O: coracoid process of scapula
I: middle 1/3 of medial surface of shaft of humerus
A: flexion and adduction of humerus at shoulder jnt
In: musculocutaneous

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15
Q

Latissimus Dorsi

A

O: Spinous processes of T7-L5, sacral crest, iliac crest and inferior 4 ribs
I: floor intertubercular groove of humerus
A: extension, adduction & medial rotation of humerus
In: thoracodorsal n.

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16
Q

Pectoralis Major (upper and lower fibers)

A

O: (clavicular head) medial clavicle; (sternocostal head) sternum and costal cartilages of ribs 2-6
I: greater tubercle and lateral lip of intertubercular groove of humerus
A: flexion, adduction & medial rotation of humerus
In: medial and lateral pectoral n.

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17
Q

Pectoralis minor

A

O: ribs 2-5 near costal cartilages
I: coracoid process of scapula
A: abduction & downward rotations of scapula; assists in elevation of ribs when pectoral girdle is fixed
In: medial pectoral n.

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18
Q

Teres major

A

O: inferior angle of scapula
I: medial lip of intertubercular groove of humerus
A: Extends and assists in adduction & medial rotation of humerus at shoulder jnt
In: lower subscapular n.

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19
Q

List the shoulder Medial rotators

A
  • ant deltoid fibers
  • latissimus dorsi
  • pec major
  • teres major
  • teres minor
  • ## subscapularis
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20
Q

List the shoulder lateral rotators

A
  • post deltoid fibers
  • ## infraspinatus
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21
Q

Infraspinatus

A

O: infraspinous fossa of scapula
I: greater tubercle of humerus
A: Lateral rotation of humerus at shoulder jnt
In: suprascapular n.

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22
Q

teres minor

A

O: inferior lateral border of scapula
I: greater tubercle of humerus
A: lateral rotation of humerus at shoulder jnt
In: axillary n.

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23
Q

subscapularis

A

O: subscapular fossa of scapula
I: lesser tubercle of humerus
A: medial rotation of humerus at shoulder jnt
In: upper & lower subscapular n.

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24
Q

Levator scapula

A

O: transverse processes of C1-C4
I: upper 1/3 of medial border of scapula
A: elevation & downward rotation of scapula
In: dorsal scapular n. and cervical n. C3-C5

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25
Q

Rhomboid major

A

O: spinous processes of T2-T5
I: lower 1/3 of medial border of scapula
A: elevation, adduction & downward rotation of scapula; stabilizes scapula
In: dorsal scapular n.

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26
Q

Rhomboid minor

A

O: spinous processes of C7-T1
I: medial border of scapula superior to spine
A: elevation, adduction & downward rotation of scapula; stabilizes scapula
In: dorsal scapular n.

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27
Q

Trapezius (upper, middle, lower)

A

O: occipital bone, ligamentum nuchae & spinous processes C7-T12
I: lateral 1/3 of clavicle, spine & acromion of scapula
A: (sup) upward rotation of scapula, can also help extend head; (middle) adduction of scapula–retraction; (inf) depression & upward rotation of scapula
In: accessory n. (CN XI) and cervical spinal n. C3-C5

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28
Q

Serratus anterior

A

O: ribs 1-8
I: medial border and inferior angle of scapula
A: abduction & upward rotation of scapula (protraction)
In: long thoracic n.

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29
Q

Flexor hallucis longus

A

O: distal 2/3 of fibula
I: distal phalanx of 1st toe
A: flexion of 1st toes and plantarflexion of foot
In: tibial n.

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30
Q

Flexor digitorum longus

A

O: posterior surface of tibia
I: distal phalanges of toes 2-5
A: flexion of digits 2-5 & plantarflexion of foot at ankle jnt
In: tibial n.

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31
Q

Extensor hallucis longus

A

O: anterior surface of fibula & interosseous membrane
I: distal phalanx of 1st toe
A: dorsiflexion of foot & extension of 1st toe
In: deep fibular n.

32
Q

Extensor digitorum longus

A

O: lateral condyle of tibia, ant. surface of fibula & interosseous membrane
I: middle & distal phalanges of toes 2-5
A: dorsiflexion of foot & extension of digits 2-5
In: deep fibular n.

33
Q

tibialis anterior

A

O: lateral condyle and shaft of tibia & interosseus membrane
I: 1st metatarsal & 1st cuneiform
A: dorsiflexion & inversion of foot
In: deep fibular n.

34
Q

tibialis posterior

A

O: posterior tibia, posterior fibula & interosseous membrane
I: navicular, cuboid, 3 cuneiforms & bases of metatarsals 2-4
A: plantarflexion & inversion of foot at ankle jnt
In: tibial n.

35
Q

peroneus longus

A

O: head & proximal 2/3 of fibula
I: 1st metatarsal & 1st cuneiform
A: plantarflexion & eversion of foot at ankle jnt
In: superficial fibular n.

36
Q

peroneus brevis

A

O: distal 2/3 of shaft of fibula
I: base of 5th metatarsal
A: plantarflexion & eversion of foot at ankle jnt
In: superficial fibular n.

37
Q

peroneus tertius

A

O: distal 1/3 fibula & interosseous membrane
I: base of 5th metatarsal
A: dorsiflexion & eversion of foot
In: deep fibular n.

38
Q

gastrocnemius

A

O: lateral and medial condyles of femur
I: calcaneus via calcaneal tendon
A: plantarflexion of foot at ankle jnt & flexion of leg at knee jnt
In: tibial n.

39
Q

soleus

A

O: head of fibula & soleal line of tibia
I: calcaneus via calcaneal tendon
A: plantarflexion of foot at ankle jnt
In: tibial n.

40
Q

semitendinosus

A

O: ischial tuberosity
I: proximal, medial surface of shaft of tibia
A: flexion of leg at knee jnt & extension of thigh at hip jnt
In: sciatic n. (tibial n.)

41
Q

semimembranosus

A

O: ischial tuberosity
I: medial condyle of tibia
A: flexion of leg at knee jnt & extension of thigh at hip jnt
In: sciatic n. (tibial n.)

42
Q

Biceps femoris

A

O: (long head) ischial tuberosity; (short head) linea aspera of femur
I: head of fibula and lateral condyle of tibia
A: flexion of leg at knee jnt & extension of thigh at hip jnt
In: sciatic n. (tibial & common fibular n.)

43
Q

rectus femoris

A

O: Anterior inferior iliac spine (AIIS)
I: patella via quadriceps tendon, then tibial tuberosity via patellar lig
A: extension of leg at knee jnt & flexion of thigh at hip jnt
In: femoral n.

44
Q

sartorius

A

O: ASIS
I: proximal, medial surface of tibia
A: flexion, abduction & lateral rotation of thigh at hip jnt, flexion of leg at knee jnt
In: femoral n.

45
Q

vastus lateralis

A

O: greater trochanter and lateral margin of linea aspera of femur
I: patella via quad tendon, then tib tub via patellar lig
A: extension of leg at knee jnt
In: femoral n.

46
Q

vastus medialis

A

O: medial margin of linea aspera of femur
I: Patella via quad tendon, then tib tub via patellar lig
A: extension of leg at knee jnt
In: femoral n.

47
Q

vastus intermedius

A

O: anterior and lateral surfaces of shaft of femur
I: patella via quad tendon, then tib tub via patella lig
A: extension of leg at knee jnt
In: femoral n.

48
Q

List the quadriceps

A
  • rectus femoris
  • vastus lateralis
  • vastus medialis
  • vastus intermedius
49
Q

popliteus

A

O: lateral condyle of the femur
I: proximal tibia (above popliteal line)
A: flexion & medial rotation of leg at knee jnt (unlock knee)
In: tibial n.

50
Q

List the hip flexors

A
  • sartorius
  • rectus femoris
  • pectineus
  • adductor brevis
  • adductor longus
  • adductor magnus (ant fibers)
  • tensor fascia latae
  • psoas major
  • iliacus
51
Q

What is the Iliopsoas group made of

A
  • psoas major
  • psoas minor
  • iliacus
52
Q

Psoas major

A

O:

53
Q

psoas minor

A
54
Q

iliacus

A
55
Q

Gluteus maximus

A
56
Q

Gluteus medius

A
57
Q

Gluteus minimus

A
58
Q

Tensor Fascia Latae

A
59
Q

List the hip lateral rotators

A
60
Q

List the hip medial rotators

A
  • gluteus medius
  • gluteus minimus
61
Q

Piriformis

A
62
Q

Superior gemellus

A
63
Q

obturator internus

A
64
Q

inferior gemellus

A
65
Q

quadratus femoris

A
66
Q

obturator externus

A
67
Q

List the hip adductors

A
68
Q

List the hip extensors

A
69
Q

Pectineus

A
70
Q

Adductor Brevis

A
71
Q

Adductor Longus

A
72
Q

Adductor Magnus

A
73
Q

Adductor Minimus

A
74
Q

Gracilis

A
75
Q

List the abdominal muscles

A
  • rectus abdominis
  • external oblique
  • internal oblique
  • transversus abdominis
  • quadratus lumborum
76
Q
A