Anatomy Muscles of the Lower Limb Flashcards
6 cards from real Anatomy Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Anatomy Muscles of the Lower Limb flashcards as text
Which muscle is the primary hip flexor?
Answer: Iliopsoas
The iliopsoas, composed of the iliacus and psoas major, is the primary hip flexor.
What is the primary action of the gluteus maximus?
Answer: Hip extension
The gluteus maximus is the largest muscle in the body and primarily extends and externally rotates the hip.
Which muscles make up the quadriceps femoris group?
Answer: Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
The quadriceps femoris consists of the rectus femoris and the three vastus muscles (lateralis, medialis, intermedius).
Which nerve innervates the hamstring muscles?
Answer: Sciatic nerve
The hamstrings are primarily innervated by the tibial division of the sciatic nerve, except the short head of biceps femoris (common fibular division).
What is the origin of the rectus femoris?
Answer: Anterior inferior iliac spine
The rectus femoris originates from the anterior inferior iliac spine (AIIS) and the acetabular rim.
Which muscle is the primary plantarflexor of the foot?
Answer: Gastrocnemius
The gastrocnemius, together with the soleus, is the primary plantarflexor of the foot.