Lower Extremities (Muscles) Flashcards
Iliacus
Origin: Iliac Fossa
Action: Hip Flexion
Psoas
Origin: Anterior/Lateral Surface of T12-T5
Action: Trunk Flexion
Gluteus Maximus
Origin: Ilium and Sacrum
Insertion: IT Band and Femur
Action: Hyper Extension
What is the Origin of the Piriformis?
Origin: Sacrum
What is the Origin of the Obturator Internus?
Origin: Pubis
What is the Origin of the Gemellus Superior?
Origin: Ischial Spine
What is the Insertion of the Quadratus Fermoris?
Insertion: Femur
Tensor Fascia Latae (TFL)
Origin: Anterior Superior Iliac Spine
Insertion: Lateral Tibia Condyle
Sartorius
Origin: Anterior Superior Iliac Spine
Insertion: Tibia
Rectus Femoris
Origin: Anterior Superior Iliac Spine
Insertion: Tibial Tuberosity via Patellar Tendon
Action: Hip Flexion and Knee Extension
Vastus Medialis
Insertion: Tibial Tuberosity via Patellar Tendon
Action: Knee Extension
Vastus Lateralis
Insertion: Tibial Tuberosity via Patellar Tendon
Action: Knee Extension
Vastus Intermedius
Insertion: Tibial Tuberosity via Patellar Tendon
Action: Knee Extension
Semitendionosus
Insertion: Medial Surface of Proximal Tibia
Action: Hip Extension and Knee Flexion
Semimembranosus
Insertion: Medial Condyle of Tibia
Action: Hip Extension and Knee Flexion
Biceps Femoris
Origin: Ischial Tuberosity and Femur
Insertion: Fibular Head and Medial Condyle of Tibia
Action: Hip Extension and Knee Flexion
Where Does the Adductor Longus Insert?
Femoral Shaft
Where Does the Adductor Brevis Insert?
Femoral Shaft