DR5 The Gluteal Region

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Questions and Answers

Which muscle is the most superficial of the gluteal muscles?

  • Piriformis
  • Gluteus minimus
  • Gluteus medius
  • Gluteus maximus (correct)

What movements does the gluteus maximus perform?

  • Extension and lateral rotation of the hip joint (correct)
  • Flexion and medial rotation of the hip joint
  • Flexion and adduction of the hip joint
  • Extension and medial rotation of the hip joint

What is the main function of the iliotibial tract?

  • To assist in knee flexion
  • To assist in hip flexion
  • To help stabilize the knee when standing (correct)
  • To help stabilize the hip joint

Which muscle lies deep to the gluteus maximus?

<p>Gluteus medius (B)</p> Signup and view all the answers

What movements do the gluteus medius and minimus perform?

<p>Abduction and medial rotation of the hip joint (B)</p> Signup and view all the answers

What bony feature does the gluteus maximus insert into?

<p>Greater trochanter (D)</p> Signup and view all the answers

Which muscle prevents the patella from being pulled laterally during contraction of the quadriceps?

<p>Vastus medialis (A)</p> Signup and view all the answers

What is the action of the iliopsoas muscle?

<p>To flex the hip joint and flex the trunk (C)</p> Signup and view all the answers

Which nerve supplies the pectineus muscle?

<p>Femoral nerve (B)</p> Signup and view all the answers

What are the actions of the pectineus, adductor longus, and adductor brevis muscles?

<p>Hip adduction and hip flexion (D)</p> Signup and view all the answers

What is the origin of the adductor magnus muscle?

<p>Ischial tuberosity (A)</p> Signup and view all the answers

What are the actions of the adductor magnus muscle?

<p>Hip adduction and hip extension (B)</p> Signup and view all the answers

Which muscle is responsible for laterally rotating the thigh at the hip joint?

<p>Piriformis (B)</p> Signup and view all the answers

Which nerve can be seen passing below the piriformis muscle?

<p>Sciatic nerve (B)</p> Signup and view all the answers

Which muscles are affected in a posterior hip dislocation, resulting in weakness of dorsiflexion?

<p>Tibialis anterior, extensor digitorum longus, and extensor hallucis longus (A)</p> Signup and view all the answers

What movements do the hamstrings perform?

<p>Extend the thigh and flex the knee joint (B)</p> Signup and view all the answers

Which nerve supplies the hamstrings?

<p>Tibial component of the sciatic nerve (B)</p> Signup and view all the answers

What are the superior boundaries of the popliteal fossa?

<p>Semitendinosus and semimembranosus (C)</p> Signup and view all the answers

Which nerve is adjacent to the popliteal aneurysm in the case described?

<p>Tibial nerve (D)</p> Signup and view all the answers

Where should you look for cutaneous sensory changes in the case described?

<p>Plantar surface of the foot (D)</p> Signup and view all the answers

Which ligament reinforces the hip joint capsule anteriorly?

<p>Iliofemoral ligament (B)</p> Signup and view all the answers

Which muscle tightens the iliotibial tract and helps stabilize the knee when standing?

<p>Tensor fascia lata (D)</p> Signup and view all the answers

Which muscle is the longest muscle in the body?

<p>Sartorius (D)</p> Signup and view all the answers

What is the function of the patella?

<p>To prevent shearing of the quadriceps tendon against the underlying bone (B)</p> Signup and view all the answers

Which vessels pass through the adductor hiatus to enter the popliteal fossa?

<p>Femoral vessels (D)</p> Signup and view all the answers

What are the actions of the gracilis muscle?

<p>Adducts the hip joint and flexes the knee joint (C)</p> Signup and view all the answers

What is the nerve supply to the hamstring portion of adductor magnus?

<p>Sciatic nerve (D)</p> Signup and view all the answers

What structures are contained within the femoral triangle?

<p>Femoral nerve, artery, and vein (B)</p> Signup and view all the answers

What is the clinical significance of the femoral triangle?

<p>All of the above (D)</p> Signup and view all the answers

What is the action of the sartorius muscle?

<p>Flexes the hip joint and flexes the knee joint (C)</p> Signup and view all the answers

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