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muscles

Stack #150722

QuestionAnswer
superficial pectoral muscles P:first 2 sternebra, fibrous raphe between adjacent muscle D:whole crest of greater tubercle of humerus A:adduct limb when nonweightbaring, prevent limb from beeng abducted when weightbaring
deep pectoral muscles P:ventral part of sternum and fibrous raphe between fellow muscles, deep abd. fascia in region of xiphoid cratilage, D: major portion on lesser tubercle of humerus, an aponeurosis to the greater tubercle, caudal part to medial brachial fascia, A: pull tru
function deep pectoral when limb is advanced and fixed to pull trunk cranially, when limb is not supporting weight, to draw limb caudally and flex shoulder joint, to adductlimb
brachiocephalicus has clavicular intersection with vestigual clavicle on deep surface, divided into cleidobrachialis and 2 muscles prox. to clavicular int.
cleidobrachialis distal to clavicular intersection, attaches to humerus on distal end of cranial border
cleidocervicalis cranial half of mid-dorsal fibrous raphe and sometimes nuchal crest of occipital bone
cleidomasteideus attaches to mastoid part of temporal bone, with sternomastoideus m.
function of cleidocervicalis, cleidomastoideus, cleidobrachialis avance limb, extend shoulder joint, draw neck and head to side
sternocephalicus P: manubrium, D: mastoid part of temporal bone and nuchal crest of occipital bone
function of sternocephalicus draw head and neck to side
sternothyroideus P:first costal cartilage, D: caudolateral surface of thyroid cartilage
function of sternothyroideus draw tongue and larynx caudally
omotransversarius straplike, deeper plane than cleidocephalicus: attachm.: distal ed of spine of scapula, cranially the transverse wing of atlas,
funct. omotransversarius advance limb or flex neck laterally
trapezius, cervical and thoracic part P:median raphe of neck and supraspinous ligament from level of 3rd cervical vertebra to level of 9th thoracic v. D: spine of scapula
funct. trapezius elevate and abduct forelimb
romboideus, 3 parts: r. capitis, r. cervicis, r. thoracis P: nuchal crest of occipital bone, median fibrous raphe of neck, spinous processes of 1rst. seven thoracic v. D: dorsal border and surface of scapula
funct: rhomboideus elevate forelimb and draw scapula against trunk
latissimus dorsi P;thoracolumbar fascia from spin. proc. of lumbar and last 7 thoracic v., muscular att. to last 2-3 ribs, D: teres major tub. and teres major tendon
funct. latissimus dorsi draw free limb caudally as in digging, flex shoulder joint
thoracolumbar fascia deep fascia of trunk, arises from supraspinous ligament and spines of thoracic and lumbar vertebrae
linea alba raphe o ventral midline formed by thoracolumbar fascia comming together from each side
serratus ventralis P; transverse proc. of last 5 cervical v. and first 7 or 8 ribs ventral to their midline, D: dorsomedial third of scapula
fuct. serratus ventralis support trunk and depress scapula
deltoideus 2 portions that fuse and act in common, P; spine of acromial process of scapula, D: deltoid tuberosity, A: flex shoulder joint
infraspinatus P: infraspinous fossa, D: small circumscribed area on lat. side of greater tubercle of humerus
funct. and special feature of infraspinatus extend flex joint, abduct sholder and rotate arm laterally, lat. stability for shoulder joint, hides subtendinous synoivial bursa
teres minor wedge shaped, P: infraglenoid tubercle and dist. 3rd of caud. border of scapula, D: teres minor tuberosity of humerus A: flex shoulder and rotate arm laterally
supraspinatus P: supraspinous fossa, D: greater tubercle, by a thick tendon, A: extend and stabilize shoulder joint
subscapularis P: subscapular fossa, D: lesser tubercle f humerus, A: adduct, extend and medially stabilize shoulder joint
teres major P: caud. angle and caud. border of scapula, caudal surface of subscapularis, D: teres major tuberosity, A: flex shoulder and rotate arm medially
coracobrachialis P: coracoid process of scapula, D: crest of lesser tubercle, proximal to teres major tuberosity, A: adduct, extend and stabilize shoulder
tensor fasciae antebrachii P: fascia covering lateral side of latissimus dorsi, D: olecranon, A: exted elbow
triceps brachii 4 heads: long head, lateral head, accessory head, medial head
long head triceps brachii P: caudal border of scapula, D: olecranon tuber, A: extend shoulder and flex elbow
lateral head triceps brachii P: tricipital line of humerus, D: olecranon tuber, A: extend elbow
accessory head triceps brachii P: neck of humerus, D: olecranon tuber, A: extend elbow
medial head triceps brachii P: crest of lesser tubercle near teres major tuberosity, D: olecranon, A: extend elbow
anconeus P: lat. supracondylar crest and lat. and medial epicondyle of humerus, D:lat surface and prox. end of ulna, A: extend elbow
biceps brachii P: supragenoid tubercle, D: ulnar and radial tuberosity, A: flex elbow and extend shoulder joint
brachialis P: prox. 3rd of lateral surface of humerus, D: ulnar and radial tuberosity, A: flex elbow
extensor carpi radialis largest of cranilat. antibrachii m., P: lat. supracondylar crest, D: small tuberosity on dorsal surfaces of the base of metacarpals 2-3, A: extend carpus
common digital extensor caud. to extensor carp. radialis, P: lat. epicondyle of humerus, D: extensor processes of distal phalanges 2,3,4,5 A: extend joints of 4 princ. digits and carpus
lateral digital extensor : lat. epicondyle of humerus, D: prox. ends of all phalanges of d. 3,4,5 and extensor processes of dist. phalanges, A: extend carpus and joints 3,4,5
ulnaris lateralis P; lat epicondyle of humerus, D: lat. aspect of proximal end of metacarpal 5 and the accessory carpal bone, A: abduct and flex carpus
supinator P: lat. epicondyle of humerus, D: cranial surface of prox. 4th of the radius, A: rotate forearm laterally, supinate
abductor pollicis longus P: lat. border and cran. surface of the body of ulna, interosseus membrane, D: proximal end of metacarpal 1, A: adbuct 1rst. digit or pollex, extend carpal joint
pronator terres extend obliquely across medial surface of elbow, P: medial epicondule, D: med. border of radius, between pro. and mid. 3rds, A: rotate forearm medially, pronate, flex elbow
flexor carpi radialis P: med. epicondyle of humerus and med. border of radius, D: palmar side of base of metacarp. 2,3, A: flex carpus
superficial digital flexor P: medial epicondyle of humerus, D: palmar surface of base of mid. phalang. of digits 2,3,4,5, A: flex carpus, metacarpophalangeal and prox interphal. joints of digits 2,3,4,5
Flexor carpi ulnaris 2 heads, ulnar and humeral head
ulnar head of flexor carpi ulnaris P: caud. border of medial surface of olocranon, D: accessory carpal bone, A: flex carpus
humeral head of flexor carpi ulnaris P: medial epiconyle of humerus, D: accessory carpal bone, A: flex carpus
deep digital flexor 3 heads, humeral, ulnar, radial
humeral head of deep digital flexor P: med. epicondyle of humerus, D: palmar surface of prox. end of distal phalanx of each digit, A: flex carpus, metacarpophalangeal joints and proximal and interphalangeal joints of digits
ulnar head of deep digital flexor P: prox. 3/4 of caudal border of the ulna. D: palmar surface of prox. end of dist. phalanx of each digit. A:flex carpus, metacarpophalangeal joints and proximal and interphalangeal joints of digits
radial head of deep d. flexor P: middle third of med. border of radius, D: palmarsurface of prox. end of distal phalanx of each digit, A:flex carpus, metacarpophalangeal joints and proximal and interphalangeal joints of digits
pronator quadratus attachements: apposed surfaces of radius and ulna
interossei 4muscles deep to d.digital flexor tendon, cover palmar surface of main metacarp. bones, each arise from base of resp. metacarpal bone and carp. joint capsule, each divides into 2 tendons with sesamoid, A: flexor of m. joint and maintains joint angle
biceps femoris P:sacrotuberous ligament + ischiatic tuberosity;D:by means of fascia lata and crural fascia to patella, p. ligament, cranial border of tibia, to sq part of tibial body, tuber calcanei
funct. biceps femoris extend hip, stifle, hock, caudal part of muscle flexes stifle
semitendinous P:ischiatic tuberosity, D:proximo-cranial border of the tibia, medial surface of the body of tibia and tuber calcanei by means of crural fascia,A:extend hip, flex stifle, extend hock
semimembranosos P: ischiatic tuberosity, D:dist. med. lip of caud. rough surface of femur and prox end of tibia
funct. of semimembranosos extend hip, the part that attaches to femur extends stifle, the part that attaches to the tibia, flexes or extends the stifle, depending on the position of the limb
sartorius 2 parts, functions: cranial part extends stifle, caudal part flexes stifle
cranial part of sartorius P:crest of ilium and thoracolumbar fascia,D: patella, in common with rectus femoris of the quadriceps
caudal part of sartorius P:cranial ventral iliac spine and adjacent ventral border of ilium, D:cranial border of the tibia in common with the gracilis
gracilis P:pelvic symphysis by means of symphysial tendon, D: cranial border of tibia and with the semitendinous, the tuber calcanei, A: adduct limb, flex stifle, extend hip and hock
pectineus P:iliopubic eminence and pubic tubercle via prepubic tendon, D: distal end of medial lip of caud. rough face of femur, A: adduct limb
adductor P:entire p. sympysis by means of symphysial tendon,adj. part of ischiatic arch and ventr. surf. of pubis and ischium,D:entire lat. lip of caud. rough face of femur, A:adduct limb, extend hip
tensor fascia latae P:tuber coxae and adj. part of ilium, the aponeurosis of the middle gluteal muscle,D:lat. femoral fascia,A:tense lateral femoral fascia, flex hip,extend stifle
superficial gluteal P:lat. border of sacrumand first caud. vertebrae party by means of sacrotuberous ligament,D:third trochanter,A:extend hip+abduct limb
middle gluteal P:crest and tuberal surface of ilium,D:greater trochanter,A:extend and abduct hip,rotate pelvic limb medially
deep gluteal P:body of ilium,ischiatic spine,D:cranial aspect of greater trochanter,A:extend and abduct hip and rotate limb medially
internal obturator P:symphysis pelvis+dorsal surface of ischium and pubis,D:trochanteric fossa of femur,A:rotate pelvic limb lat. at hip
cranial tibial P:extensor groove and adjacent articular margins of tibia,lat.edge of cran.tibial border,D:plantar surf.of base of metatars.1+2,A:flex tarsus and rotate paw laterally
long digital extensor P:extensor fossa of femur,D:extensor processes of distal phalanges of d.2,3,4,5,A:extend digits and flex tarsus
peroneus longus P:lat. condyle of tibia,prox.end of fibula+lat.epicondyle of femur by means of lat.colat.ligament of stifle,D:4th tarsal bone,plantar aspect of base of metatars.,A:flex tarsus and rotate paw medially,so that plantar surface lies laterally
gastrocnemius muscle 2 heads that enclose the superf. digital flexor,P:medial and lat. supracondylar tuberosities of the femur,D:Prox. dors. surface of the tuber calcanei,A:extend tarsus and flex stifle
superficial digital flexor P:lat. supracondylar tuberosity of femur,D:tuber calcanei and base of middle phalages of digits 2,3,4,5,A:flex first 2 digital joints of four principal digits, flex stifle, extend tarsus
deep digital flexor 2 heads,Lateral head P:caudolat. border of proximal 2/3 of tibia, most of prox half of fibula and adjacent interosseous membrane, Medial head P:same origin but runs distomedially,bothD:caudal surface of base of each of the distal phalanges,A:flex digits+t
biceps femoris P:sacrotuberous ligament +ischiatic tuberosity,D:by means of fascia lata +crural fascia to patella,patellar ligament,cran.border of tibia, by means of crural fascia to sq part of tibial body,tuber calcanei
funct. biceps femoris extend hip,stifle and hock, caudal part of muscle flexes stifle
semitendinous P:ischiatic tuberosity,D:proximo-cran. border of tibia, medial surface of the body of the tuber calcanei by means of crural fascia,A:extend hip,flex stifle,extend hock
semimembranous P:ischiatic tuberosity,D:distal medial lip of caud. rough face of femur+prox. end of tibia,
funct. semimembranous extend hip,the part that attaches to femur extend stifle, the part that attaches to tibia,flexes or extends stifle, depending on position of the limb
sartorius Cranial part P:crest of ilium and thoracolumbar fascia,D:patella, in common with rectus femoris and quadriceps,A:flex hip, extend stifle
sartorius caudal part P:cranial ventral iliac spine+adjacent ventral border of ilium,D:cranial border of tibia, in common with gracilis,A:flex hip, flex stifle
gemelli P:lat. surface of ischium, caud. to acetabulum and ventr. to lesser ischiatic notch,D:trochanteric fossa,A:rotate pelvic limb lat. at the hip
quadratus femoris P:ventr. surf. of Caud. part of ischium,D:intertrochanteric crest,A:extend hip+rotate pelvic limb lat
external obturator P:ventr. surf. of pubis and ischium,D:trochanteric fossa,A:rotate pelvic limb lat.
quadriceps femoris 4 heads which are fused distally
rectus femoris head of QF, most cranial,P:ilium,D:tibial tuberosity
vastus lateralis head of QF, lies lat.and caud.to RF,P:prox. part of lat lip of rough face of femur,D:tibial tuberosity
vastus intermedius head of QF, lies on smooth cranial surface of femur,P:proximal femur,D:tibial tuberosity
vastus medialis head of QF,P:medial side of prox.end of femur and prox. end of medial lip of caudal rough surface,D:tibial tuberosity
function Quadriceps femoris extend stifle, and rectus flex hip
iliopsoas fusion of psoas major and iliacus muscle,Psoas major,P:transverse processes of lumbar vertebra,Iliacus,P:ventral surface of ilium between acurate line and lat. border,Both,D: lesser trochanter,A:flex hip
popliteus P:lat condyle of femur,D:prox. third of caudal surface of tibia,A:rotate leg medially
Created by: Vetschool