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Movement/support > Muscles > Flashcards

Muscles Flashcards

1
Q

Cleidobrachialis

A

Origin: clavicle
Insertion: cranial border of humerus
Inner action: accessory nerve
Action: advance limb, extend shoulder jt

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2
Q

Cleidocephalicus- pars cervicalis

A

Origin: clavicle
Insertion: cranial 1/2 mid dorsal raphe
Innervation: accessory
Action: advance limb, extend shoulder jt

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3
Q

Cleidocephalicus- pars mastoidea

A

origin: clavicle
Insertion Temporal bone mastoid process
Innervation: accessory
Action: advance limb, extend shoulder jt

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4
Q

Trapezius

A

(Cervical and thoracic)
Origin: Median raphe, supraspinus ligament
Insertion: Spine of scapula
Innervation: accessory
Action: elevate and abduct limb

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5
Q

Omotransversarius

A

Origin: transverse process of atlas
Insertion: Distal spine of scapula
Innervation: accessory
Action: advance limb, flex neck laterally

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6
Q

Superficial Pectoralis

A

Descending and transverse
Origin: sternum
Insertion: greater tubercle of humerus
Innervation: Spinal nerve C7 C8
Action: adduct limb NWB, keep limb from abduction with weight

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7
Q

Deep pectoralis

A

Origin: ventral sternum
Insertion: Lesser tubercle of humerus
Innervation: Caudal pect nerves C8, T1
Action: adduct limb, pull trunk cranially, extend shoulder with weight.
NWB- draw limb caudally and flex shoulder

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8
Q

Latissimus Dorsi

A

Origin: Spinous process fascia
Insertion: teres tuberosity on humerus
Innervation: Thoracodorsal nerve C7, C8, T1
Action: draw limb caudal, flex shoulder

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9
Q

Rhomboideous

A

3 Parts
Origin: Nuchal crest
Insertion: Dorsal scapula
Innervation: cervical and thoracic spinal nerves
Action: elevate limb, draw scapula against trunk

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10
Q

Serratus ventralis

A

Origin: Transverse process last 5 CV, first 7-8 ribs
Insertion: dorsomedial 1/3 scapula
Innervation: Cervical spinal nerves
Action: Support trunk, depress scap

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11
Q

Sternocephalicus

A

Origin: Manubrium
Insertion: Mastoid part of temporal, nuchal crest
Innervation: accessory and cervical spinal
Action: head and neck to the side

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12
Q

Sternothyroideus

A

Origin: First costal cartilage
Insertion: Caudolateral thyroid cartilage
Innervation: Cervical spinal
Action: draw larynx and tongue caudal

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13
Q

Sternohyoideus

A

Origin: manubrium and first costal cartilage
Insertion: basihyoid bone
Innervation: Cervical spinal
Action: pull tongue, hyoid, and larynx caudal

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14
Q

Supraspinatus

A

Origin: Supraspinous fossa
Insertion: Greater tubercle humerus
Innervation: Suprascapular
Action: extend and stabilize shoulder

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15
Q

Infraspinatus

A

Origin: infraspinatus fossa
Insertion: greater tubercle humerus
Innervation: Suprascapular
Action: abduct and flex shoulder

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16
Q

Subscapularis

A

Origin: subscapular fossa
Insertion: Lesser tubercle of humerus
Innervation: subscapular
Action: adduct, extend shoulder

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17
Q

Deltoideus

A

Origin: Spine and acromial process of scap
Insertion: Deltoid tuberosity
Innervation: Axillary
Action: flex shoulder

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18
Q

Teres Major

A

Origin: Caudal border of scap.
Insertion: Teres major tuberosity of humerus
Innervation: axillary
Action: Flex shoulder rotate medially

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19
Q

teres Minor

A

Origin: Infraglenoid tubercle and caudal scap
Insertion: Teres minor tuberosity of humerus
Innervation: axillary
Action: Flex shoulder, rotate laterally

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20
Q

Long head of tricep

A

Origin: caudal scap
Insertion: Olecranon
Innervation: radial
Action: extend elbow, flex shoulder

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21
Q

Lateral head of triceps

A

Origin: tricipital line of humerus
Insertion: olecranon
Innervation: radial
Action: extend elbow

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22
Q

Medial head of triceps

A

Origin: crest lesser tubercle on humerus
Insertion: olecranon
Innervation: radial nerve
Action: extend elbow

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23
Q

Accessory head of triceps

A

Origin: neck of humerus
Insertion: olecranon tuber
Innervation: radial
Action: extend elbow

24
Q

Biceps Brachii

A

Origin: Supraglenoid tubercle
Insertion: Ulnar and radial tuberosities
Innervation: Musculocutaneous
Action: flex elbow, extend shoulder

25
Q

Brachialis

A

Origin: Proximal lateral surface of humerus
insertion: Ulnar and radial tuberosities
Innervation: musculocutaneous
Action: flex elbow

26
Q

Pronator teres

A

Origin: Medial epicondyle humerus
Insertion: medial radius
Innervation: median
Action; Pronate , flex elbow

27
Q

Supinator

A

Origin: Lateral epicondyle of humerus
Insertion: cranial radius
Innervation: radial
Action: supinate, flex elbow

28
Q

Extensor carpi radialis

A

Origin: lateral supracondylar crest
Insertion: tuberosities of MC 2&3
Innervation: radial
Action: extend carpus

29
Q

Ulnaris lateralis

A

Origin: Lateral epicondyle of humerus
Insertion: Accessory carpal, lateral proximal MC 5
Innervation: Radial
Action: abduct manus, flex carpus

30
Q

Extensor carpi obliquus / Abductor digit 1 longus

A

Origin: lateral cranial ulna
Insertion; Proximal MC 1
Innervation: radial
Action: Abduct first digit, extend carpus

31
Q

Common digital extensor

A

Origin: Lateral epicondyle humerus
Insertion: extensor process digits 2,3,4,5
Innervation: radial
Action; extend digits and carpus

32
Q

Lateral digital extensor

A

Origin: lateral epicondyle humerus
Insertion: proximal end of all phalanges of 3,4,5
Innervation: radial
Action: Extend carpus and digit 3,4,5

33
Q

Flexor carpi Radialis

A

Origin; Medial epicondyle humerus, medial radius
Insertion: Palmar base of MC 2,3
Innervation: median
Action: Flex carpus

34
Q

Flexor carpi ulnaris Humeral head

A

Origin: medial epicondyle humerus
Insertion: accessory carpal bone
Innervation: Ulnar
Action: flex carpus

35
Q

Flexor carpi ulnaris- ulnar head

A

Origin; Caudal medial olecranon
Insertion: accessory carpal bone
Innervation: ulnar
Action: flex carpus

36
Q

Superficial digital flexor- humeral head, ulnar head, radial head

A

Origin: medial epicondyle humerus
Insertion: palmar side base of phalanges 2,3,4,5
Innervation: median
Action: flex carpus, MC-phalangeal & interphalangeal jt 2,3,4,5

37
Q

Middle gluteal

A

Origin: crest of ilium
Insertion: greater trochanter
Innervation: cranial gluteal nerve
Action: extend and abduct hip, rotate medially

38
Q

Internal obturator

A

Origin: Symphysis pelvis& dorsal ishium & pubis
Insertion: trochanteric fossa of femur
Innervation: sciatic
Action: rotate pelvic limb laterally

39
Q

External obturator

A

Origin: ventral pubis & ishium
Insertion: Trochanteric fossa of femur
Innervation: obturator nerve
Action: rotate pelvic limb lateral

40
Q

gemelli

A

Origin: Lateral ishium
Insertion: trochanteric fossa
Innervation; sciatic
Action: rotate limb laterally

41
Q

Quadratis femoris

A

Origin: ventral caudal ishium
Insertion; Intertrochanteric crest
Innervation: sciatic
action: extend hips, rotate laterally

42
Q

Biceps Femoris

A

Origin: Sacrotuberous ligament, ischiatic tuberosity
Insertion: Crural fascia to tuber calcanei
Innervation: Sciatic
Action: Extend hip, stifle and tarsus

43
Q

Semitendinosus

A

Origin: ischiatic tuberosity
Insertion: Tibia, tuber calcanei
Innervation: sciatic
Action: extend hip, flex stifle

44
Q

Semimembranosus

A

Origin: ischiatic tuberosity
Insertion: caudal femur, medial condyle tibia
Innervation: Sciatic
Action: extend hip, flex stifle

45
Q

Gracilis

A

Origin: pelvic symphysis via tendon
Insertion: tibia, tuber calcanei
Innervation: obturator
Action: adduct limb, flex stifle, extend hip

46
Q

Adductor

A

Origin: Pelvic symphysis via tendon
Insertion: femur
Innervation: obturator
Action: adduction, extend hip

47
Q

Sartorius( cranial and caudal)

A

Origin: ilium (cranial- crest, caudal- spine)
Insertion: Cranial- patella, caudal- tibia
Innervation: Femoral
Action flex hip. Cranial extend stifle. Caudal flex stifle

48
Q

Tensor fasciae latae

A

Origin: Tuber coxae, ilium, aponeurosis of middle glute
Insertion: Lateral femoral fascia
Innervation: cranial gluteal nerve
Action: tense fascia, flex hip and extend stifle

49
Q

Quadratis femoris (4, only know 3)

A

Action: flex hip, extend stifle
Innervation: femoral nerve
Insertion: tibial tuberosity
Recuts femoris- O: ilium
Vastus lateralis- O; Prox, lateral femur
Vastus medialis- O; prox femur

50
Q

Iliopsoas(iliac, psoas major)

A

Origin: Iliac- ilium, psoas- lumbar vertebrae
Insertion: lesser trochanter
Innervation: femoral and spinal
Action: flex hip

51
Q

Cranial tibial

A

Origin: Extensor groove of tibia
Insertion: Plantar surface of MC 1&2
Innervation: fibular
Action: flex tarsocrural jt and rotate paw laterally

52
Q

Long digital extensor

A

Origin: extensor fossa of femur
Insertion: extensor process of Distal phalanx 2,3,4,5
Innervation: fibular
Action: extend digits 2-5 and flex tarsal jt

53
Q

Fibularis(peroneus) longus

A

Origin: lateral condyle of tibia, proximal fibula, lateral epicondyle of femur
Insertion: 4th Tarsal bone, Plantar MT
Innervation: Fibular
Action: Flex tarsal jts, rotate paw medially

54
Q

Gastrocnemius

A

Origin: Lateral and medial supracondylar tuberosities of femur
Insertion: Prox, dorsal tuber calcanei
Innervation: Tibial
Action: Extend tarsal, flex stifle

55
Q

Superficial digital flexor

A

Origin: lateral supracondylar tuberosities of femur
Insertion: Tuber calcanei, middle phalanx of 2,3,4,5
Innervation: tibial
Action: flex digits, flex stifle, extend tarsal jts.

56
Q

Deep digital flexor(lat and medial)

A

Origin: caudal aspect of tibia, proximal fibula,
Insertion: flexor tubercle on plantar distal phalanx of all phalanges
Innervation: tibial
Action: Flex digits and extend tarsal jts

Movement/support (1 decks)

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