76 EQUINE ANATOMY. 



SEMI-TENDINOSUS. 



Oj'ighi. — From sacral spine, sacro- sciatic ligament (with long 

 vastus and tuber ischii). 



/;^j-(?r//^;«.— Anterior crest of tibia, 

 ^r/"/*?;?.— Same as preceding. 

 A^^;x'^.— Great sciatic. 



SEMI-MEMBRANOSUS. 



Origin. — Tuberosity and inferior face of body of ischium and 

 coccygeal aponeurosis. 



Insertion. — Eminence above internal condyle of femur. 



Action. — Adductor and extensor of thigh and an adjunct in 

 rearing. 



Nerve. — Great sciatic. 



Internal Femoral Region. — sartorius. 



Origin. — Iliac aponeurosis near tendon of psoas parvus. 

 Insertion. — Internal patellar ligament. 

 Action. — Adducts leg and flexes femur. 

 Nerve. — Obturator. 



gracilis. 



Origin. — Ischio-pubic sympyhsis. 



Insertion. — With preceding and internal tuberosity of tibia. 

 Action. — Adductor of leg and tensor of tibial aponeurosis. 

 Ner ve. — Obturator. 



pectineus. 



Origin. — Inferior face of pubes or pubo-femoral ligament. 

 Insertion. — Inner surface of femur near nutrient foramen. 

 Action. — Adductor, flexor and internal rotator of femur. 

 Nerve. — Obturator. 



adductor brevis. 



Origin. — Inferior face of pubis. 



Insertion. — Quadrilateral hne on posterior surface of femur. 



Action. — As name implies. 



Nerve. — Obturator. 



ADDUCTOR LONGUS. 



Origin.' — Lower face of ischium and sympyhsis. 

 Ifisertion. — With preceding, and internal condyle of femur. 



