Page 88 - Adams and Stashak's Lameness in Horses, 7th Edition

54 Chapter 1

Gluteus superficialis m. (caudal part, cut)
VetBooks.ir

Mass of the gluteus
medius m. (cut
and section removed)

Gluteus accessorius m.

Trochanteric bursa

Tensor fasciae latae m.

Gluteus superficialis m. (cut)

Fascia lata

Biceps
femoris m.
(retracted)

Semitendinosus m.

Figure 1.48. Lateral dissection of right thigh and hip. Most of the superficial and middle gluteal muscles have been removed.

the medial femur. The femoral canal, containing the neu­ passes through the cranial part of the obturator foramen
rovascular bundle supplying the pelvic limb, is bordered and external obturator muscle and branches to supply
caudally by the pectineus, cranially by the sartorius, lat­ the external obturator, adductor, pectineus, and gracilis
erally by the vastus medialis and iliopsoas, and medially muscles (Figure 1.51). Branches from the obturator
by the femoral fascia and cranial edge of the gracilis. artery (from the cranial gluteal artery) supply the mus­
The canal contains the femoral artery and vein, the cles in this region.
saphenous nerve, and an elongated group of lymph
nodes of the deep inguinal lymphocenter. Within the
canal the saphenous nerve detaches a motor branch to Cranial Aspect
the sartorius muscle (Figure 1.51). The quadriceps femoris, articularis coxae, and sarto­
Caudal to the pectineus and vastus medialis, the thick rius muscles lie in the cranial part of the thigh and hip.
adductor muscle extends from the ventral surface of the In addition, the iliacus muscle crosses the cranial aspect
ischium and pubis to the caudal surface of the femur, the of the hip where the muscle is joined by the psoas major,
medial femoral epicondyle, and the medial collateral creating the conjoined iliopsoas muscle. Their common
ligament of the femorotibial joint. The obturator nerve tendon inserts on the lesser trochanter. The psoas major