15 Questions
Which muscle mainly abducts the thigh and steadies the pelvis on the leg when the opposite leg is raised?
Gluteus medius
Which nerve supplies the gluteus maximus muscle?
Inferior gluteal nerve
What is the origin of the tensor fasciae latae muscle?
Ilium
Where do most fibers of the gluteus maximus muscle insert?
Iliotibial tract
Which nerve supplies the gluteus medius and gluteus minimus muscles?
Superior gluteal nerve
Which muscle is responsible for lateral rotation of the thigh?
Quadratus femoris
What is the main action of the inferior gluteal nerve?
Extension and lateral rotation of hip
What is the nerve supply for the piriformis muscle?
Nerve to obturator internus
Which nerve injury can lead to a Trendelenburg gait?
Superior gluteal nerve
Where should an intramuscular gluteal injection be administered to avoid injury to the sciatic nerve and neurovascular structures?
Upper lateral quadrant of the gluteal region
Which muscle is not part of the hamstring group?
Quadratus femoris
Which muscle originates from the ischial tuberosity?
Semitendinosus
What is the action of the biceps femoris muscle?
Flexes leg & rotates it laterally; extends the thigh
What is the clinical correlate of hamstring strains?
Pulled and/or torn hamstrings
What is the function of the superior gemellus muscle?
Lateral rotation of thigh
This lecture covers the attachment, nerve supply, and action of gluteal muscles, as well as the clinical importance of safe intramuscular gluteal injection. It also discusses the nerves, vessels, and piriformis muscle in the gluteal region, along with differentiation between hamstring muscles.
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