Muscle Practical - Rabbit

Front 1

muscles of the thorax + abdomen

pectoralis tenuis

Back 1

origin: sternum

insertion: mid-humerus

function: adduct humerus

Front 2

muscles of the thorax + abdomen

pectoralis major

Back 2

origin: sternum

insertion: proximal humerus

function: adducts + rotates humerus

Front 3

muscles of the thorax + abdomen

pectoralis profundus

Back 3

origin: sternum

insertion: mid-humerus

function: adducts humerus

Front 4

muscles of the thorax + abdomen

external abdominal oblique

Back 4

origin: lumbodorsal fascia

insertion: linea alba

function: compresses abdomen

Front 5

muscles of the thorax + abdomen

internal abdominal oblique

Back 5

origin: lumbodorsal fascia

insertion: linea alba

function: compresses abdomen

Front 6

muscles of the thorax + abdomen

transversus abdominus

Back 6

origin: posterior costal cartilages + lumbar vertebrae + ilium

insertion: linea alba

function: compresses abdomen

Front 7

muscles of the thorax + abdomen

seratus ventralis

Back 7

origin: first 9-10 ribs + C3 - C7

insertion: vertebral border of the scapula

function: adducts scapula + supports trunk

Front 8

muscles of the thorax + abdomen

scalenes

Back 8

origin: 2nd - 9th ribs

insertion: cervical vertebrae

function: laterally flex neck + protact ribs

Front 9

muscles of the thorax + abdomen

intercostalis externus

Back 9

origin: ribs

insertion: adjacent cranial rib

function: protracts ribs

Front 10

muscles of the thorax + abdomen

intercostalis internus

Back 10

origin: ribs

insertion: adjacent caudal rib

function: retracts ribs

Front 11

muscles of the pectoral girdle

cleidodeltoid

Back 11

origin: clavicle

insertion: distal humerus

function: tba

Front 12

muscles of the pectoral girdle

acromiotrapezius

Back 12

origin: external occipital protuberance

insertion: metacromion process of scapula

function: protracts scapula

Front 13

muscles of pectoral girdle

spinotrapezius

Back 13

origin: spinous processes T1-T12

insertion: spine of scapula

function: elevates scapula

Front 14

muslces of pectoral girdle

latissimus dorsi

Back 14

origin: spinous processes T4 - L6

insertion: proximal humerus

function: retracts humerus

Front 15

muscles of the throat

sternomastoid

Back 15

origin: manubrium of sternum

insertion: mastoid process

function: flexes + rotates head

Front 16

muscles of the throat

cleidomastoid

Back 16

origin: clavicle

insertion: mastoid process

function: rotates + laterally flexes head

Front 17

muscles of the throat

cleido-occipital

Back 17

origin: clavicle

insertion: occipital bone

function: laterally flexes head

Front 18

muscles of the throat

sternohyoid

Back 18

origin: sternum

insertion: hyoid

function: retracts hyoid

Front 19

muscles of the throat

sternothyroid

Back 19

origin: sternum

insertion: thyroid cartilage of larynx

function: retracts thyroid cartilage

Front 20

muscles of the throat

thyrohyoid

Back 20

origin: hyoid

insertion: thyroid cartilage of larynx

function: protracts larynx

Front 21

muscles of the throat

mylohyoid

Back 21

origin: mandible

insertion: median raphe

function: elevates floor of mouth

Front 22

muscles of the throat

geniohyoid

Back 22

origin: mandible

insertion: hyoid

function: protracts hyoid

Front 23

muscles of the back + neck

rhomboideus capitis

Back 23

origin: occipital bone

insertion: scapula

function: protracts scapula

Front 24

muscles of the back + neck

rhomboideus minor

Back 24

origin: vertebrae T1-T7

insertion: scapula

function: adducts scapula

Front 25

muscles of the back + neck

rhomboideus major

Back 25

origin: vertebrae T8 - T10

insertion: scapula

function: adducts scapula

Front 26

muscles of the back + neck

splenius

Back 26

origin: cervical vertebrae

insertion: atlas

function: elevates head

Front 27

muscles of the back + neck

semispinalis dorsi

Back 27

origin: tranverse processes of T vertebrae

insertion: posterior skull

function: extends vertebral column

Front 28

muscles of the back + neck

spinalis

Back 28

origin: spinous processes of T vertebrae

insertion: spinous processes of adjacent vertebrae

function: extends vertebral column

Front 29

muscles of the back + neck

erector spinae

Back 29

origin: iliac crest + sacral crest + lumbar vert.

insertion: ribs + T vertebrae

function: extends vertebral column

Front 30

muscles of the head

masseter

Back 30

origin: zygomatic arch

insertion: masseteris fossa

function: elevates mandible

Front 31

muscles of the head

temporalis

Back 31

origin: temporal bone

insertion: coronoid process

function: elevates mandible

Front 32

muscles of the head

digastricus

Back 32

origin: mastoid + temporal processes of temporal bone

insertion: ventral border of mandible

function: depresses mandible

Front 33

muscles of the arm

supraspinatus

Back 33

origin: supraspinous fossa of scapula

insertion: greater tubercle of humerus

function: abducts humerus

Front 34

muscles of the arm

infraspinatus

Back 34

origin: infraspinous fossa of scapula

insertion: greater tubercle of humerus

function: laterally rotates humerus

Front 35

muscles of the arm

subscapularis

Back 35

origin: subscapular fossa

insertion: lesser tubercle of humerus

function: adducts humerus

Front 36

muscles of the arm

teres minor

Back 36

origin: ventral border of scapula

insertion: greater tubercle of humerus

function: laterally rotates humerus

Front 37

muscles of the arm

teres major

Back 37

origin: caudal border of scapula

insertion: proximal humerus

function: adducts, extends + medially rotates humerus

Front 38

muscles of the arm

acromiodeltoid

Back 38

origin: acromion process of scapula

insertion: deltoid ridge of humerus

function: retracts + laterally rotates humerus

Front 39

muscles of the arm

spinodeltoid

Back 39

origin: spine of scapula

insertion: deltoid ridge of humerus

function: retracts + laterally rotates humerus

Front 40

muscles of the arm

levator scapulae ventralis

Back 40

origin: occipital bone

insertion: metacromion process of scapula

function: protracts scapula

Front 41

muscles of the arm

biceps brachii

Back 41

origin: supraglenoid tubercle

insertion: radial tuberosity

function: flexes antebrachium (elbow joint)

Front 42

muscles of the arm

triceps brachii - lateral head

Back 42

origin: shaft of humerus (lateral)

insertion: olecranon process

function: extends antebrachium (elbow joint)

Front 43

muscles of the arm

triceps brachii - medial head

Back 43

origin: shaft of humerus (caudal)

insertion: olecranon process

function: extends antebrachium (elbow joint)

Front 44

muscles of the arm

triceps brachii - long head

Back 44

origin: infraglenoid tubercle of scapula

insertion: olecranon process

function: extends antebrachium (elbow joint)

Front 45

muscles of the arm

brachialis

Back 45

origin: shaft of humerus (cranial)

insertion: ventral surface of ulna

function: flexes antebrachium (elbow joint)

Front 46

muscles of the arm

epitrochlearis

Back 46

origin: surface of latissimus dorsi

insertion: antebrachial fascia of elbow

function: adducts humerus

Front 47

muscles of the leg

sartorius

Back 47

origin: crest of ilium

insertion: patella + tibia

function: adducts, rotates femur + extends shank

Front 48

muscles of the leg

gracilis

Back 48

origin: symphysis of pubic + ischium

insertion: tibia + surface of shank

function: adducts + retracts thigh

Front 49

muscles of the leg

biceps femoris

Back 49

origin: ischial tuberosity

insertion: tibia + patella

function: abducts + flexes shank

Front 50

muscles of the leg

semimembranosus

Back 50

origin: ischium

insertion: medial epicondyle of femur

function: extends thigh

Front 51

muscles of the leg

adductor femoris

Back 51

origin: pubis + ischium

insertion: femur

function: adducts thigh

Front 52

muscles of the leg

adductor longus

Back 52

origin: pubis

insertion: linea aspera of femur

function: adducts thigh

Front 53

muscles of the leg

pectineus

Back 53

origin: pubis

insertion: proximal femur

function: adducts thigh

Front 54

muscles of the leg

iliopsoas

Back 54

origin: ilium / vertebrae T13-L7

insertion: lesser trochanter of femur

function: flexes + rotates thigh

Front 55

muscles of the leg

psoas minor

Back 55

origin: vertebrae T13-L3

insertion: pubis

function: flexes vertebral column

Front 56

muscles of the leg

tensor fascia latae

Back 56

origin: ilium

insertion: fascia latae

function: extends shank

Front 57

muscles of the leg

vastus medialis

Back 57

origin: femur

insertion: tibial tuberosity

function: extends shank

Front 58

muscles of the leg

vastus lateralis

Back 58

origin: greater trochanter

insertion: tibial tuberosity

function: extends shank

Front 59

muscles of the leg

vastus intermedius

Back 59

origin: femur

insertion: tibial tuberosity

function: extends shank

Front 60

muscles of the leg

rectus femoris

Back 60

origin: ilium

insertion: tibial tuberosity

function: extends shank

Front 61

muscles of the leg

tibialis cranialis

Back 61

origin: proximal tibia + fibula

insertion: metatarsal I

function: dorsiflexion of pes

Front 62

muscles of the leg

extensor digitorum longus

Back 62

origin: lateral epicondyle of femur

insertion: distal phalanges II-V

function: extends digits + dorsiflexes pes

Front 63

muscles of the leg

peroneus longus

Back 63

origin: proximal fibula

insertion: metatarsals I-V

function: plantar flexes + everts pes

Front 64

muscles of the leg

peroneus tertius

Back 64

origin: lateral surface of fibula

insertion: proximal phalanx V

function: abducts + extends digit V

Front 65

muscles of the leg

peroneus brevis

Back 65

origin: distal fibula

insertion: metatarsal V

function: plantar flexes + everts pes

Front 66

muscles of the leg

popliteus

Back 66

origin: lateral epicondyle of femur

insertion: proximal tibia on medial surface

function: flexes + medially rotates shank

Front 67

muscles of the leg

flexor digitorum longus

Back 67

origin: tibia + fibula

insertion: distal phalanges II-V

function: flexes digits

Front 68

muscles of the leg

flexor hallicus longus

Back 68

origin: tibia + fibula

insertion: distal phalanges II-V

function: flexes digits

Front 69

muscles of the leg

gastrocnemius

Back 69

origin: distal femur

insertion: calcaneus

function: plantar flexes pes

Front 70

muscles of the leg

soleus

Back 70

origin: fibula

insertion: calcaneus

function: plantar flexes pes

Front 71

muscles of the leg

gluteus maximus

Back 71

origin: sacrum + first C vertebrae

insertion: greater trochanter of femur

function: abducts thigh

Front 72

muscles of the leg

gluteus medius

Back 72

origin: ilium, sacrum, + first C vertebrae

insertion: greater trochanter of femur

function: abducts thigh