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Comparative Vertebrate Anatomy > Mink muscles: origin, insertion, function > Flashcards

Mink muscles: origin, insertion, function Flashcards

1
Q

Sternomastoid

A

Origin: sternum
Insertion: mastoid process
Function: turns head

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2
Q

Clavotrapezius

A

Origin: back of skull and dorsal midline of neck
Insertion: clavicle
Function: pulls humerus forward

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3
Q

Clavodeltoid

A

Origin: clavicle
Insertion: deltoid ridge of humerus
Function: pulls humerus forward

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4
Q

Pectoralis major/minor

A

Origin: sternum
Insertion: pectoral ridge of humerus
Function: adducts forelimb

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5
Q

Cleidomastoid

A

Origin: clavicle
Insertion: back of skull
Function: turns head

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6
Q

Sartorius

A

Origin: ilium
Insertion: patella, tibia, fascia of knee
Function: extends hindlimb, adducts thigh

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7
Q

Tensor fascia lata

A

Origin: ilium and fascia surrounding hip muscles
Insertion: fascia latae covering gluteus medius and vastus lateralis
Function: extends hindlimb

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8
Q

Gluteus maximus

A

Origin: ilium and sacrum
Insertion: femur near greater trochanter
Function: abducts thigh

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9
Q

Caudofemoralis

A

Origin: transverse processes of second and third caudal vertebrae
Insertion: lateral surface of femur near patella
Function: abducts and extends thigh

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10
Q

Semitendinosus

A

Origin: tuberosity of ischium
Insertion: crest of tibia
Function: extends thigh and flexes hindlimb

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11
Q

Vastus lateralis

A

Origin: greater trochanter of femur
Insertion: vastus medialis and rectus femoris
Function: extends hindlimb

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12
Q

Semimembranosus

A

Origin: tuberosity and ramus of ischium
Insertion: medial epicondyle of femur
Function: extends hip and adducts hindlimb

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13
Q

Rectus femoris

A

Origin: ilium
Insertion: tibial crest
Function: extends hindlimb

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14
Q

Gracilis

A

Origin: pubis and ischium
Insertion: medial surface of knee and hindlimb
Function: adducts thigh

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15
Q

Adductor longus

A

Origin: pubis
Insertion: femur
Function: adducts thigh

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16
Q

Adductor femoris

A

Origin: ramus of pubis and ischium
Insertion: shaft of femur
Function: adducts thigh

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17
Q

Vastus medialis

A

Origin: shaft of femur
Insertion: patella and head of tibia
Function: extends hindlimb

18
Q

External abdominal oblique

A

Origin: caudal ribs and lumbodorsal fascia
Insertion: linea alba
Function: compresses abdomen and flexes trunk

19
Q

Acromiotrapezius

A

Origin: spine of axis to spinous process of 4th thoracic vertebra
Insertion: acromion process of scapula
Function: adducts and stabilizes scapula

20
Q

Spinotrapezius

A

Origin: dorsal midline of thorax
Insertion: scapular spine
Function: rotates scapula backwards

21
Q

Dorsoepitrochlearis

A

Origin: latissimus dorsi and tres major
Insertion: olecranon process of ulna
Function: extends elbow

22
Q

Triceps brachii

A

Origin: scapula and lateral surface of humerus
Insertion: olecranon process of ulna
Function: extends elbow and forearm

23
Q

Brachialis

A

Origin: lateral surface of humerus
Insertion: ulna
Function: flexes elbow

24
Q

Splenius

A

Origin: spine of first thoracic vertebra
Insertion: lambdoidal ridge of skull
Action: elevates head

25
Q

Longus colli

A

Origin: first six thoracic vertebrae and transverse process of cervical vertebrae
Insertion: transverse process of sixth cervical vertebra and centra of cranial cervical vertebrae
Function: bends neck ventrally and laterally

26
Q

Rhomboideus cervicis

A

Origin: spines of first four thoracic vertebrae and back of skull
Insertion: vertebral border of scapula
Function: adducts scapula and pulls it cranially

27
Q

Rhomboideus capitis

A

Origin: spines of first four thoracic vertebrae and back of skull
Insertion: vertebral border of scapula
Function: adducts scapula and pulls it cranially

28
Q

Atlantoscapularis

A

Origin: atlas
Insertion: dorsal edge of scapula
Function: pulls scapula forward

29
Q

Levator scapulae ventralis

A

Origin: atlas
Insertion: metacromion process of scapula
Function: pulls scapula forward

30
Q

Internal abdominal oblique

A

Origin: lumbodorsal fascia and crural ligament between crest of ilium and pelvis
Insertion: linea alba
Function: compresses abdomen and flexes trunk

31
Q

Transversus abdominis

A

Origin: inner surface of caudal rib cartilage, transverse processes of lumbar vertebrae, ilium, and crural ligament between ilium and pubis
Insertion: linea alba
Function: compresses abdomen and flexes trunk

32
Q

Rectus abdominis

A

Origin: pubic tubercle
Insertion: first and second costal cartilages and sternum
Function: compresses abdomen and flexes trunk

33
Q

Extensors of forearm

A

Origin: humerus
Insertion: metacarpals and phalanges
Function: extends and flexes wrist and fingers

34
Q

Biceps brachii

A

Origin: cranial edge of coracoid process of scapula
Insertion: bicipital tuberosity of radius
Function: flexes forelimb

35
Q

Flexors of forearm

A

Origin: humerus
Insertion: metacarpals and phalanges
Function: flexes wrist and fingers

36
Q

Masseter

A

Origin: zygomatic arch
Insertion: masseteric fossa of mandible
Function: elevates mandible

37
Q

Mylohyoid

A

Origin: medial surface of mandible
Insertion: basihyal
Function: raises floor of mouth

38
Q

Digastric

A

Origin: paraoccipital process and mastoid process
Insertion: ventral surface of mandible
Function: depresses mandible

39
Q

Genioglossus

A

Origin: mandibular symphysis
Insertion: tongue
Function: manipulates tongue

40
Q

Geniohyoid

A

Origin: mandibular symphysis
Insertion: hyoid apparatus
Function: pulls tongue and hyoid forward

41
Q

Sternohyoid

A

Origin: cartilage of first rib
Insertion: basihyal
Function: pulls tongue backward

42
Q

Biceps femoris

A

Origin: tuberosity of ischium
Insertion: dorsal border of tibia and patella
Function: adducts thigh, flexes hindlimb

Comparative Vertebrate Anatomy (5 decks)

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