Anatomy Homework #12
The gracilis muscle is the only muscle of the medial compartment of the thigh that crosses two joints.
True
What action of the hip joint is produced by contraction of the gluteus medium muscle?
abduction of the hip
The common action shared by the muscles of the medial compartment of the thigh is
adduction of the hip
Which muscles are situated immediately anterior to the adductor brevis muscle?
adductor longs and pectineus muscles
Select the muscle(s) served by the obturator nerve.
adductor muscles of thigh
The gracilis muscle
adducts the hip joint and flexes the knee joint
The sartorius performs all of the following actions except:
extension of the leg at the knee
The femoral nerve is a branch of the sciatic nerve.
false
The mobile ball-and-socket hip joint is one of the weakest ligamentous joints in the body.
false
The shoulder joint is one of the strongest ligamentous joints in the body.
false
The superficial gluteus maximus muscle completely covers the deeper gluteus medius muscle.
false
The superior gluteal nerve innervates the gluteus maximus, gluteus medius, and gluteus minimus.
false
Select the muscle(s) served by the inferior gluteal nerve.
gluteus maximus
Five of the six deep hip rotators insert on the __________ and all deep hip rotators share the common action of ___________.
greater trochanter, lateral rotation of the hip joint
The principal flexors of the hip joint are the
iliacus and psoas major muscles
The common attachment of the gluteus maximus and tensor fasciae latae is the
iliotibial band or tract
What is the common action shared by all of the deep hip rotator muscles?
lateral rotation of the hip
The iliacus and psoas major muscles share a common attachment on the
lesser trochanter
The adductor brevis, adductor longus, and adductor magnus share a common insertion or distal attachment on the
linea aspera
From which plexus does the femoral nerve arise?
lumbar
Five of the six deep hip rotators share a distal attachment on what general area of the femur?
medial surface of the greater trochanter
Which muscle's tendon separates the superior gemellus muscle from the inferior gemellus muscle?
obturator interns
Which nerve innervates the majority of the muscles of the medial compartment of the thigh?
obturator nerve
What is the origin of most muscles that move the femur?
pelvis
The primary ligaments of the hip joint are the
pubofemoral, ischiofemoral, iliofemoral
The adductor minimis muscles is situated immediately distal to the
quadrates femoris muscle
Which muscle is part of the anterior compartment of the thigh?
rectus femoris
Which of the following muscles would not flex the knee joint?
rectus femoris
From which plexus does the superior gluteal nerve arise?
sacral
Like the shoulder joint, the movements of the hip joint include abduction, adduction, flexion, extension, medial rotation, and lateral rotation.
true
