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Multiple Choice
Which of the following medial muscles of the hip joint insert on the linea aspera?
A
Adductor longus
B
Tensor fasciae latae
C
Iliopsoas
D
Gluteus maximus
Verified step by step guidance
1
Step 1: Understand the anatomy of the hip joint and the role of medial muscles. Medial muscles are located on the inner side of the thigh and are primarily involved in adduction (bringing the leg toward the midline).
Step 2: Review the insertion points of the listed muscles. The linea aspera is a ridge on the posterior surface of the femur, and muscles that insert here are typically involved in adduction or stabilization of the thigh.
Step 3: Analyze the Adductor longus muscle. This muscle is part of the adductor group and inserts on the middle third of the linea aspera, making it a medial muscle of the hip joint that fits the criteria.
Step 4: Examine the Tensor fasciae latae muscle. This muscle inserts into the iliotibial tract, not the linea aspera, and is primarily involved in abduction and stabilization of the hip joint.
Step 5: Evaluate the Iliopsoas and Gluteus maximus muscles. The Iliopsoas inserts on the lesser trochanter of the femur, and the Gluteus maximus inserts on the gluteal tuberosity and iliotibial tract, neither of which are the linea aspera. Therefore, these muscles do not meet the criteria.