Dorsale Oberschenkelmuskulatur

This tutorial covers the ischiocrural muscles, focusing on the biceps femoris, semimembranosus, and semitendinosus. It explains their origins, functions, and innervation, highlighting their roles in hip extension and knee flexion. The tutorial also discusses the PS Anserinus Superficialis and its significance in exams.

What is the primary function of the ischiocrural muscles?

• Flexion of the elbow

• Rotation of the shoulder

• Extension of the hip and flexion of the knee

• Flexion of the wrist

Which muscle is known for having a long and a short head?

• Gracilis

• Biceps femoris

• Semitendinosus

• Semimembranosus

Where does the long head of the biceps femoris originate?

• Femoral condyle

• Patellar ligament

• Ischial tuberosity

• Tibial tuberosity

Which nerve is responsible for the innovation of the biceps femoris' short head?

• Obturator nerve

• Common fibular nerve

• Tibial nerve

• Femoral nerve

What movement does the semimembranosus muscle facilitate in the knee joint?

• Adduction

• Abduction

• Internal rotation

• External rotation

Which nerve supplies the semimembranosus muscle?

• Sciatic nerve

• Tibial nerve

• Common peroneal nerve

• Femoral nerve

What is the origin of the semitendinosus muscle?

• Patellar ligament

• Ischial tuberosity

• Tibial tuberosity

• Femoral condyle

Which muscle is part of the PS Anserinus Superficialis?

• Quadriceps

• Semimembranosus

• Biceps femoris

• Semitendinosus

What is the anatomical term for the lower leg?

• Femur

• Cruz

• Tibia

• Fibula

Which muscle attaches to the PS Anserinus per fundus?

• Sartorius

• Semitendinosus

• Semimembranosus

• Gracilis