176
Muscle Proximal attachment(s) Distal attachment(s) Primary action(s)
Medial muscles (continued)
Adductor magnus
(ah-DUK-tor MAG-nus)
Inferior rami of pubis and
ischium, ischial tuberosity
Linea aspera of femur Hip adduction
Hip flexion (lower fibers)
Pectineus
(pek-TIN-ee-us)
Superior ramus of pubis Line between lesser
trochanter and the linea
aspera on the upper shaft
of the femur
Hip adduction
Hip flexion
Gracilis
(grah-SI-lis)
Just below symphysis
on pubis, inferior rami of
ischium and pubis
Medial surface of upper
tibia (pes anserinus)
Hip adduction
Hip flexion
(Knee flexion)
FIGURE 4.13 Anterior view of primary muscles acting on the hip joint (right hip). (A) Muscles, (B) attachments, (C)
lines of pull and actions.
Psoas major
Iliacus
TABLE 4.1 Summary of Attachments and Primary Actions of Hip Muscles (continued)