Stifle extensors

Question 1

M. quadriceps femoris

Answer 1

o Action:strongest extensor of stifle joint; m.rectus femoris also flexes hip

Question 2

M. sartorius cranial part

Answer 2

o Action:flexes hip ,extends stifle

Question 3

M. biceps femoris

Answer 3

o Action:extends hip, and hock; its cranial part extends stifle

Question 4

M. extensor digitorum longus

Answer 4

o Origin: fossa extensoria on lateral femoral condyle
o Insertion: extensor processes of distal phalanx of digits II-V.
o Action: extends stifle and joints of digits and flexes tarsus

Question 5

M. tensor fasciae latae

Answer 5

oAction:tenses fascia lata, flexes hip and extends stifle