24 Questions
What is the action of the Superior & Inferior gemelli muscles?
Lateral rotation of the thigh
Where does the Quadratus femoris muscle originate from?
Ischial tuberosity
Which ligament supports the pelvic joint and increases its stability?
Sacrotuberous ligament
To where does the tendon of the Superior gemellus muscle insert?
Greater trochanter
Which nerve supplies the Inferior gemellus muscle?
Sciatic nerve
What is the function of the Quadratus femoris muscle?
Lateral rotation of the thigh
Which muscle is the thickest and most superficial in the gluteal region?
Gluteus maximus
What is the main action of the gluteus maximus muscle?
Extension of the hip joint
Which nerve supplies the gluteus maximus muscle?
Inferior gluteal nerve
How many large gluteal muscles are there in the gluteal region?
Three
Which muscle in the gluteal region acts as the main extensor of the hip joint from an extreme flexion position?
Gluteus maximus
Which part of the gluteus maximus inserts into the gluteal tuberosity?
Deep ¼
Which nerve arises from the sacral plexus and supplies the gluteus maximus muscle only?
Inferior gluteal nerve
Where does the superior gluteal nerve pass through in relation to the piriformis muscle?
Above the piriformis
Which nerve descends beneath the deep fascia of the thigh with the long head of biceps and supplies various regions including the back of the thigh?
Posterior cutaneous nerve of thigh
Which nerve is the largest in the body?
Sciatic nerve
What is the course of the sciatic nerve in the thigh?
It descends vertically in the midline of the back of the thigh
Which nerve is found in superficial relations with the gluteus maximus and posterior cutaneous nerve of the thigh?
Sciatic nerve
Which muscle is responsible for abduction of the hip joint?
Gluteus medius
Where does the gluteus minimus insert?
Anterior border of iliotibial tract
What is the primary action of tensor fasciae latae?
Support the iliotibial tract
Which nerve supplies the piriformis muscle?
Superior gluteal nerve
What is the origin of piriformis muscle?
Front of the sacrum
Which nerve lies above the piriformis muscle?
Superior gluteal nerve
Learn about the origin and insertion points, nerve supply, and action of the superior and inferior gemelli muscles in the human body. Understand their role in lateral rotation of the thigh and their relation to other muscles in the pelvic region.
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