116 



ANATOMY FOR NURSES 



[Chap. VII 



of the tibia. These three muscles, the biceps, semitendino- 

 sus, and semimembranosus, cover the back of the thigh, hence 

 are named jiostrrior femoral, or hamstring muscles. 



Fig. 85. — Mcscles in thb 

 Dorsum of the Right Thigh. 

 (Gerrish.) 



Fig. 86. — Supekficial Muscles 

 IN Front Part of the Right Thigh. 

 (Gerrish.) 



Action. — They flex the knee, rotate the leg inward, and extend 

 the thif^'h. 



Quadriceps. — The quadriceps is a four-headed muscle that 

 covers the front of the thigh, and is analogous to the triceps cover- 



