282 



THE MUSCLES. 



superior extremity of that bone, and assists in rearing. In the first instance 

 it acts as a lever of the first order ; in the second, as one of the third order. 



Fig. 129. 



SUPERFICIAL MUSCLES OP THE CROUP AND THIGH. 



1, Middle glutens, or gluteus maximus ; 2, Anterior spinous process of ilium ; 3, 

 Muscle of the fascia lata, or tensor vaginae ; 4, Superficial gluteus, or gluteus 

 externus ; *, Great trochanter of femur ; 5, Fascia lata ; 6, Patella, with insertion 

 of rectus ; 7, Long vastus, or adductor magnus ; 8, Superior and, 9, lateral coccy- 

 geal muscles; 10, Semitendinosus and semimembranosus ; 11, 12, Inferior 

 portions of long vastus; 13, Fascia of the thigh; 14, Vastus externus. 



3. Deep Gluteus. (Fig. 131, 5.) 



Synonyms. Ilio-trochanterius parvus Girard. Gluteus medius Bourgelat. Glu- 

 teus minimus Lafosse and Eigot. The gluteus minimus of anthropotomists. (Gluteus 

 internus Percivall.) 



Form Situation. A small, short, thick, and quadilateral muscle, 

 flattened above and below, situated beneath the preceding, and above the 

 coxo-femoral articulation. 



Structure and Attachments. It is composed of voluminous muscular and 



