Muscle Name: rectus femoris
AKA:
Abbreviation: RF
Spinal Nerve Roots:
L2
L3
L4
Plexus:
lumbar plexus
Named Nerves:
femoral nerve
Proximal Attachment: Anterior inferior iliac spine and the acetabulum
Distal Attachment: Patellar tendon
Action: Knee extension and hip flexion
Needle Insertion: In the supine patient midway between the knee and anterior superior iliac spine.
Activation for EMG: Have the patient lift their leg off the table.
Pitfalls:
Notes: