Canine Limb Muscles Flashcards
Supraspinatus
Extends shoulder
O= supraspinous fossa
I= greater tubercle
Suprascapular nerve
Infraspinatus
Lateral support
O= Infraspinous fossa
I=lateral greater tubercle
Suprascapular nerve
Deltoideus
Shoulder flexor
O=acromion
I= deltoid tuberosity
Axillary nerve
Teres major
Medial Shoulder flexor O= caudal scapula I= medial humerus Axillary nerve
Subscapularis
Prevents abduction
O=Subscapular fossa
I=humeral neck
Subscapular nerve
Biceps brachii
Shoulder extensor/elbow flexor
O= supraglenoid tubercule
I= proximal radius and ulna
Musculocutaneus nerve
Brachialis
Elbow flexor
O=caudal humerus
I= cranial tibia
Musculocutaneus nerve
Triceps brachii
Elbow extensor
O=long head =caudal scapula, other heads = proximal medial humerus
I= olecranon
Radial nerve
Craniolateral antebrachium
Ulnaris lateralis Lateral digital flexor Common digital flexor Extensor carpi radialis O= lateral humeral epicondyle Radial nerve
Caudomedial antebrachium
Flexor carpi ulnaris Superficial digital flexor Deep digital flexor Flexor carpi ulnaris O= medial humeral epicondyle Median and ulnar nerves
Superficial gluteal
Hip extensor
O= sacrum
I= greater tubercle
Gluteal nerve
Middle gluteal
Hip extensor
O=illium
I= greater tubercle
Gluteal nerve
Deep gluteal
Hip extensor
O=pelvis
I= greater tubercule
Gluteal nerve
Biceps femoris
Hamstring- hip extensor/stifle flexor
O= ischium
I= distal femur and calcanean tendon
Sciatic nerve
Semimembranosus
Hamstring - hip extensor/stifle flexor
O= ischium
I= back of stifle
Sciatic nerve
Semitendinosus
Hamstring -hip extensor/stifle flexor
O= ischium
I= fibula? And calcanean tendon
Sciatic nerve
Rectus femoris
Quads - hip flexor
O= pelvis
I= tibial crest
Femoral nerve
Sartorius
Hip flexor
O=illium
I= tibia
Femoral nerve
Iliopsoas
Hip flexor
O= illium
I= proximal femur
Femoral nerve
Gastrocnemius
Stifle flexor/hock extensor
O=distal femur
I= common calcaneal tendon
Tibial nerve
Superficial digital flexor
Stifle flexor and digital flexor
O= distal femur
I= calcanean tendon to P1&2
Tibial nerve
Politeus
Stifle flexor and pronator
O= lateral femur
I= medial tibia
Tibial nerve
Quadriceps
Stifle extensors O= Rectus femoris - ventral illium Vastuss - craniolroximal femur I= common tendon on patella Femoral nerve
Cranial tibial
Hock flexor and digital extensor
O= craniolateral tibia
I= proxomedial metatarsal
Peroneal nerve
