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anatomy muscles

exam 3

QuestionAnswer
Superficial pectoral m. origin cranial part of sternum
Superficial pectoral m. insertion crest of greater tubercle/ cranial humeral border
Superficial pectoral m. action adduct the thoracic limb
deep (ascending) pectoral m. origin sternum
deep (ascending) pectoral m. insertion greater and lesser tubercles of humerus
deep (ascending) pectoral m. action adduct thoracic limb and pull caudally
brachiocephalus m. origin clavicular instersection/ clavicle
cleidobrachialis m. insertion distal cranial humerus
brachiocephalus m. action pull thoracic limb cranially. depress and pull head and neck laterally
cleidocephalicus m. insertion mastoid process of temporal bone. dorsal midline of neck
omotrasversarius m. cranial most attachment wing of atlas
omotrasversarius m. caudal most attachment distal spine of scapula
omotrasversarius m. action pull thoracic limb cranally. depress and pull head and neck laterally
Trapezius m. cervical part origin dorsal neck
Trapezius m. thoracic part origin dorsal thorax
Trapezius m. insterion spine of scapula
Trapezius m. action elevate thoracic limb
rhomboideus m. origin dorsal thorax, dorsal neck, nuchal crest of occipital bone
rhomboideus m. insertion dorsal border of scapula and/or scapular cartilage
rhomboideus m. action elevate the thoracic limb
serratus ventralis m. origin cervical vert. and thoracic wall.
serratus ventralis m. insertion serrated face of scapula
serratus ventralis m. action support and elevate the trunk
lattismus dorsi m. origin thoracolumbar fascia
lattismus dorsi m. inserion teres major tuberosity
lattismus dorsi m. action pull the thoracic limb caudally; flex or extend the humeral joint
sternocephalicus m. origin sternum
sternocephalicus m. mastoid part insertion mastoid process of temporal bone
sternocephalicus m. occipital part insertion nuchal crest of occipital bone
sternocephalicus m. action depress and pull head and neck laterally
sternohyoideus m. origin sternum
sternohyoideus m. instertion basihyoid bone
sternohyoideus m. action pull tongue and larynx caudally
sternothyroideus m. origin cranial aspect of sternum or ribcage
sternothyroideus m. insertion thyroid cartilage
sternothyroideus m. action pull tongue and larynx caudally
deltoideus m. origin spine of scapula and acromion
deltoideus m. insertion deltoid tuberosity of humerus
deltoideus m. action flex the humeral joint
supraspinatus m. origin supraspinous fossa of the scapula
supraspinatus m. insertion greater tubercle of the humerus
supraspinatus m. action laterally stabilize the humeral joint. extend the humeral joint
infraspinatus m. origin infraspinous fossa of the scapula.
infraspinatus m. insertion greater tubercle of the humerus
infraspinatus m. action laterally stabilize the humeral joint
subscapularis m. origin subscapular fossa of scapula
subscapularis m. insertion lesser tubercle of humerus
subscapularis m. action medially stabilize the humeral joint
Teres major m. origin caudal border of scapula
Teres major m. insertion teres major tuberosity of humerus
Teres major m. action flex the humeral joint
biceps brachii m. origin supraglenoid tubercle
biceps brachii m. insertion radial tuberosity
biceps brachii m. action flex the cubital joint. extend the humeral joint
brachialis m. origin brachial groove of humerus
brachialis m. insertion proximal radius and/or ulna
brachialis m. action flex the cubital joint
triceps brachii m. origin caudal order of scapula (long head). proximal humerus (other heads)
triceps brachii m. insertion tuber olecrani
triceps brachii m. action extend the cubital joint (all heads). flex the humeral joint (long head only)
tensor fasciae antebrachii m. origin lattissimus dorsi and associated fascia
tensor fasciae antebrachii m. insertion tuber olecrani
tensor fasciae antebrachii m. action extend the cubital joint. tense the deep antebrachial fascia
anconeus m. origin caudal aspect of distal humerus
anconeus m. insertion tuber olecrani
anconeus m. action extend the cubital joint
extensor carpi radalis m. origin lateral epicondyle of the humerus and crest
extensor carpi radalis m. insertion dorsal and base of 2nd and 3rd metacarpal bones
extensor carpi radalis m. action extend carpal joint
common digital extensor m. origin lateral epicondyle of the humerus
common digital extensor m. insertion extensor process of the distal phalanges
common digital extensor m. action extend the carpal and digital joints
lateral digital extensor m. origin lateral epicondyle of the humerus
lateral digital extensor m. insertion phalanges of lateral-most digits
lateral digital extensor m. action extend the carpal and digital joints of the lateral most digits
ulnaris lateralis m. origin lateral epicondyle of humerus
ulnaris lateralis m. insertion accessory carpal one and lateral base of 5th metacarpal bone
ulnaris lateralis m. action awkwardly flex the antebrachiocarpal joint, abduct the manus
supinator m. origin later epicondyle of humerus
supinator m. insertion body of radius
supinator m. action supination of manus
abductor digiti longus m. orgin body of the ulna
abductor digiti longus m. insertion base of 1st metacarpal bone
abductor digiti longus m. action abduct the first digit
brachioradialis m. origin lateral epicondyle of the humerus
brachioradialis m. insertion fascia near the carpus
brachioradialis m. action supination of the manus
flexor carpi radialis m. origin medial epicondyle of the humerus
flexor carpi radialis m, insertion palmar base of 2nd and 3rd metacarpal bones
flexor carpi radialis m. action flex the carpal joints
flexor carpi ulnaris m. origin medial epicondyle of humerus, olecanon of ulna
flexor carpi ulnaris m. insertion accessory carpal bone
flexor carpi ulnaris m. action flex the antebrachiocarpal joint
superficial digital flexor m. origin medial epicondyle of the humerus
superficial digital flexor m. insertion palmar base of middle phalanges
superficial digital flexor m. action flex the carpal joint, flex the metacarpophalangeal joint; flex the proximal interphalangeal joints
deep digital flexor m. origin medial epicondyle of humerus, radius, ulna
deep digital flexor m. insertion flexor tubercles of distal phalanges
deep digital flexor m. action flex the carpal and digital joints
pronator teres m. origin medial epicondly of humerus
pronator teres m. insertion body of radius
pronator teres m. action pronation of the manus
pronator quadratus m. attachments apposed surfaces of the radius and ulna
pronator quadratus m. action pronation of the manus
interossei m. origin palmar base of respective metacarpal bone
interossei m. insertion palmar base of respective proximal phalanx. tendon of common digital extensor dorsally
interossei m. action supports metacarpophalangeal joints
extrinsic muscle of thoracic limb 1. superficial pectoral m. 2. deep (ascending) pectoral m. 3. brachiocephalicus m. 4. omnotransversarius m. 5. trapezius 6, rhomboideus 7.serratus ventralis 8. latissimus dorsi
muscles of ventral neck 1. sternocephalicus 2. sternohyoideus 3.sternothyroideus
later muscles of shoulder 1. deltoideus 2.supraspinatus 3.infraspinatus 4.teres minor
medial muscles of shoulder 1. subscapularis 2.teres major 3.coracobrachialis
cranial muscles of brachium 1. biceps brachii 2. brachialis
caudal muscles of brachium 1. triceps brachii 2.tensor fasciae antebrachii 3.anconeus
craniolateral muscles of the antebrachium 1. extensor carpi radialis 2.common digital extensor 3. lateral digital extensor 4.ulnaris lateralis 5. supranator 6. abductor digiti longus 7. brachioradialis
caudomedial muscles of antebranchium 1. flexor carpi radialis 2. flexor carpi ulnaris 3.superficial digital flexor 4. deep digital flexor 5. pronator teres 6.pronator quadratus
muscles of the manus 1. interossei muscle
lateral muscles of the pelvis 1. tensor faciae latae 2. supeficial gluteal 3. middle gluteal 4.pififormis 5.deep gluteal 6. articularis coxae 7.gluteofemoralis
caudal muscles of the hip 1.external obturator 2.internal obturator 3.gemelli 4.quadratus femoris
caudal muscles of thigh 1.biceps femoris 2. semitendinosus 3.semimebransosus
medial muscles of thigh 1. sartorius 2.gracilis 3.pectineus 4.adductor
cranial muscles of thigh 1.quadraceps 2.illosoas
crainolateral muscles of crus 1. cranial tibial 2.long digital extensor 3.fibularis longus
caudal muscles of crus 1.gastrocnemius 2.soleus 3.superficial digital flexor 4.deep digital flexor 5.popliteus
tensor fasciae latae m. origin tuber coxae
tensor fasciae latae m. insertion fascia lata
tensor fasciae latae m. action tense the fascia lata
superficial gluteal m. origin sacrum and 1st cd vertebra
superficial gluteal m. insertion third trochanter
superficial gluteal m. action extend the coxal joint, abduct the pelvic limb
medial gluteal m. origin gluteal surface of the ilium
medial gluteal m. insertion greater trochanter of the femur
medial gluteal m. action extend the coxal joint, abduct the limb, rotate pelvic limb medially
piriformis m. origin sacrum and 1st cd vertebra
piriformis m. insertion greater trochanter
piriformis m. action extend the coxal joint, abduct the limb, rotate pelvic limb medially
deep gluteal m. origin body of ilium and ischiatic spine
deep gluteal m. insertion greater trochanter
deep gluteal m. action extend the coxal joint, abduct the limb, rotate pelvic limb medially
external obturator m. origin ventral aspect of ox coxae around obturator foramen
external obturator m. insertion trachanteric fossa
external obturator m. action adduct and/or roate the limb laterally at the coxal joint
internal obturator m. origin dorsal aspect of os coxae around obturator foramen
internal obturator m. insertion trochanteric fossa
internal obturator m. action rotate the limb laterally at the coxal joint
gemelli m. origin lateral aspect of ischium
gemelli m. insertion trochanteric fossa
gemelli m. action rotate the limb laterally at the coxal joint
quadratus femoris m. origin ventral aspect of ischium
quadratus femoris m. insertion caudal femur near the trochanteric fossa
quadratus femoris m. action extend coxal joint, adduct and/or roate the limb laterally at the coxal joint
biceps femoris m. origin ischiatic tuberosity and sacrotuberous ligament
biceps femoris m. insertion lateral aspect of genual region, tuber calcanei
biceps femoris m. action extend the coxal joint, variable action on genual joint, extend the tarsocrural joint
semitendinosis m. origin ischiatic tuberosity
semitendinosis m. insertion medial aspect of tibia, tuber calcanei
semitendinosis m. action extend the coxal joint, variable action on the genual joint, extend the tarsocrural joint
muscles that contribute to the common calcanei 1. biceps femoris 2.semitendinosus 3.gracilis 4.gastrocnemius 5.superficial digital flexor
semimembranosus m. origin ischiatic tuberosity
semimembranosus m. insertion medial aspect of distal femur and proximal tibia
semimembranosus m. action extend the coxal joint, variable action on the genual joint
sartorius m. origin crest of ilium
sartorius m. insertion medial aspect of the genual region
sartorius m. action flex the coxal joint. extend (cr) or flex (cd) the genual joint
gracilis m. origin pelvic symphysis
gracilis m. insertion medial aspect of the genual region, tuber calcanei
gracilis m. action adduct the pelvic limb, extend the tarsocrural joint
pectineus m. origin iliopublic eminence
pectineus m. insertion distal body of femur
pectineus m. action adduct the pelvic limb
adductor m. origin ventral surface of ox coxae
adductor m. insertion most of the caudal surface of femur
adductor m. action adduct the pelvic limb, extend the coxal joint
quadracepts femoris m. origin rectus femoris- body of ilium. other 3- proximal femur
heads of quadriceps rectus femoris, vastus lateralism vastus intermedius, vastus medialis
quadracepts femoris m. insertion tibial tuberosity via patellar ligament
quadracepts femoris m. action flex the coxal joint (rectus femoris), extend the genual joint (all 4 heads)
Iliopsoas m. origin ilium, lumbar vertebrae
Iliopsoas m. insertion lesser trochanter
Iliopsoas m. action flex the coxal joint
cranial tibial m. origin lateral aspect of proximal tibia
cranial tibial m. insertion plantar base of 1st and 2nd metatarsal bones
cranial tibial m. action flex the tarsocrural joint, rotate the pes laterally
long digital extensor m. origin extensor fossa of femur
long digital extensor m. insertion extensor processes of the distal phalanges
long digital extensor m. action flex the tarsocrural joint, extend the digital joint
fibularis longus m. origin on or near lateral collateral ligament of the genual joint
fibularis longus m. insertion 4th tarsal bone and plantar base of metatarsal bones
fibularis longus m. action flex the tarsocrural joint, rotate the pes medially
gastrocnemius m. origin medial and lateral supracondylar tuberosities of femur
gastrocnemius m. insertion tuber calcanei
gastrocnemius m. action flex the genual joint, extend the tarsocrural joint
superficial digital flexor m. origin lateral supracondylar tuberosity of femur
superficial digital flexor m. insertion tuber calcanei, plantar bases of middle phalanges
superficial digital flexor m. action flex the genual joint, extend the tarsocrural joint, flex the metatarsophalangeal joints, flex the proximal interphalangeal joints
deep digital flexor m. origin proximal caudal aspect of the tibia and fibula
deep digital flexor m. insertion flexor tubercle of distal phalanges
deep digital flexor m. action extend the tarsocrural joint, flex the digital joints
popliteus m. origin fossa for the popliteus m.
popliteus m. insertion proximomedial portion of caudal aspect of tibia
Created by: ejohnson17
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