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UPD Bio 102 Comparative Anatomy Lab -- Cat Musculature

Origin, Insertion and Action of Cat Muscles. Separate answers as follows: Origin 1, Origin 2; Insertion 1, Insertion 2; Action 1, Action 2. Spelling, wording, and arrangement of answers per subanswer (origin, insertion, action) are based on the table. :)

Terms

undefined, object
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pubis; sternum, costal ribs; compresses the abdomen
rectus abdominis
manubrium; fascia of the forearm; adducts forelimb
pectoantibrachialis
spines of thoracic vertebrae; vertebral border of scapula; pulls scapula dorsal
rhomboideus
pubis; femur; adducts and extends thigh
adductor longus
spines of cervical vertebrae; spine of scapula; pulls scapula dorsal
acromiotrapezius
thoracic and lumbar vertebrae; humerus; pulls forelimb dorsal and posterior
latissimus dorsi
ilium; patella, tibia; adducts thigh, rotates thigh, extends shank
sartorius
medial epicondyle of humerus; pisiform; flexes carpals
flexor carpi ulnaris humeral head
acromion process; spinodeltoid; flexes and rotates humerus
acromiodeltoid
sacral and caudal vertebrae; greater trochanter; abducts thigh
gluteus minimus
mandible; body of the hyoid; pulls hyoid anterior
geniohyoid
sacral and caudal vertebrae; greater trochanter; abducts thigh
gluteus maximus
femur; patella; extends shank
vastus intermedius
lambdoidal ridge; scapula; pulls scapula anterior
rhomboideus capitis
lumbo dorsal fascia, ribs; linea alba, pubis; constricts the abdomen
external oblique
1st costal rib; body of the hyoid; pulls hyoid posterior
sternohyoid
glenoid fossa; radius; flexes forearm
biceps brachii
humerus; radius; supinator of hand
supinator longus
lambdoidal ridge; clavicle; pulls clavicle dorsal and anterior
clavotrapezius
sacral and caudal vertebrae; thoraco-cervical vertebrae; extends the vertebral column
longissimus dorsi
linea alba, latissimus dorsi; dermis of the skin; moves the skin of the trunk
cutaneous maximus
fibula; metatarsals, digits; extends foot, flexes foot
peroneus
lateral supracondylar ridge of humerus; digits; extends digits
extensor digitorum lateralis
xiphoid process; humerus; adducts forelimb
xiphihumeralis
middorsal line; lambdoidal ridge; raises head, turns head
splenius
fibula; calcaneus; extends foot
soleus
pubis; femur; adducts and extends thigh
adductor femoralis
greater trochanter; patella; extends shank
vastus lateralis
last 4 ribs; spines of lumbar vertebrae; pulls rib anterior
serratus dorsalis
spine of scapula; deltoid ridge of humerus; flexes and rotates humerus
spinodeltoid
ribs; cervical vertebrae pleurapophyses; flexes neck
scalenes
cervical mid-dorsal fascia; dermis of the skin; moves the skin of the neck and face
platysma
olecranon process; pisiform; flexes carpals
flexor carpi ulnaris ulnar head
femur, tendon and fascia of plantaris; calcaneus; extends foot
gastrocnemius
spines of thoracic vertebrae; fascia of scapular muscles; pulls scapula dorsal and posterior
spinotrapezius
ilium; patella; extends shank
rectus femoris
sternum; humerus; adducts forelimb
pectoralis minor
clavicle; ulna; flexes forearm
clavobrachialis
1st costal rib; thyroid cartilage; pulls larynx posterior
sternothyroid
axillary border of scapula; olecranon process; extends forearm
triceps brachii long head
infraspinous fossa; greater tuberosity of humerus; rotates humerus outward
infraspinatus
thyroid cartilage; posterior horn of the hyoid; raises larynx
thyrohyoid
last 4 thoracic vertebrae; thoraco-cervical vertebrae; extends the vertebral column
semispinalis dorsi
border of rib; border of adjacent rib; retracts the ribs
internal intercostals
separate muscle bundles from lumbar pleurapophyses; neural spine of vertebra craniad to the origin of the bundle; extends the vertebral column
multifidus spinae
medial epicondyle of humerus; phalanges; flexes digits
palmaris longus
ischium; tibia; flexes shank
semitendinosus
mastoid process; clavicle; turns head, lowers head on neck
cleidomastoid
zygomatic arch; mandible; raises mandible
masseter
caudal vertebrae; patella; abducts thigh, extends shank
caudofemoralis
jugular process, mastoid process; mandible; depresses mandible
digastric
lumbo dorsal fascia; linea alba; compresses the abdomen
internal oblique
tibia, fibula; scaphoid, medial cuneiform; extends foot
tibialis posterior
border of rib; border of adjacent rib; protracts the ribs
external intercostals
tibia, fibula; digits; flexes digits
flexor digitorum longus
medial epicondyle of humerus; radius; pronator of hand
pronator teres
mandible; median raphe; raises floor of mouth
mylohyoid
lateral supracondylar ridge of humerus; 2nd metacarpal; extends the hand
extensor carpi radialis longus
cranial sternebrae; humerus; adducts forelimb
pectoralis major
greater tuberosity of humerus; olecranon process; extends forearm
triceps brachii lateral head
ilium; fascia lata; tightens fascia lata
tensor fascia latae
axillary border of scapula; humerus; flexes and rotates humerus
teres major
lateral epicondyle of humerus; 5th metacarpal; extends 5th digit
extensor carpi ulnaris
medial epicondyle of humerus; 2nd and 3rd metacarpals; flexes 2nd and 3rd metacarpals
flexor carpi radialis
humerus; olecranon process; extends forearm
triceps brachii medial head
atlas, occipital bone; metacromion process; pulls scapula anterior
levator scapulae ventralis
ischium; patella, tibia; abducts thigh, flexes shank
biceps femoris
lateral epicondyle of femur, patella; digits; flexes digits
plantaris
subscapular fossa; lesser tuberosity of humerus; pulls humerus medial
subscapularis
ischium; medial epicondyle of femur; extends thigh
semimembranosus
latissimus dorsi; olecranon process; extends forearm
epitrochlearis
temporal fossa; coronoid process; raises mandible
temporalis
ulna, humerus; phalanges; flexes digits
flexor profundum digitorum
supraspinous fossa; greater tuberosity of humerus; extends humerus
supraspinatus
femur; patella; extends shank
vastus medialis
lateral epicondyle of humerus; digits; extends digits
extensor digitorum communis
tibia, fibula; 1st metatarsal; flexes foot
tibialis anterior
lateral epicondyle of femur; phalanges; extends digits
extensor digitorum longus
humerus; ulna; flexes forearm
brachialis
2nd caudal vertebrae; patella, tibia; abducts thigh
tenuissimus
separate muscle bundles from lower thoracic ribs; 3 ribs craniad to the origin of the bundle; draws the ribs together
iliocostalis
costal ribs; linea alba; compresses the abdomen
transversus abdominis
lateral epicondyle of humerus; 3rd metacarpal; extends the hand
extensor carpi radialis brevis
first 9 ribs; vertebral border of scapula; pulls scapula anterior and ventral
serratus ventralis
manubrium; lambdoidal ridge, mastoid process; turns head, lowers head on neck
sternomastoid
ischiac and pubic symphysis; tibia; adducts thigh
gracilis

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