External Hip Rotators Flashcards
What is the Shape of Quadratus Femoris
Short, Rectangular
What is the Location of Quadratus Femoris
Most Inferior of Group
What is the Origin of Quadratus Femoris
Ischial Tuberosity
What is the Insertion of Quadratus Femoris
Intertrochanteric Crest of Femur
What are the Actions of Quadratus Femoris
External Rotation of Hip/Thigh, Stabilize Thigh
What is the Innervation of Quadratus Femoris
Nerve to Quadratus Femoris
What is the Shape of Obturator Externus
Flat, Triangular
What is the Location of Obturator Externus
Deep to Pectineus and Adductor Brevis, It’s Tendon wraps Posteriorly around Femoral neck
What are the Origin’s of Obturator Externus
Margin (edge) of Obturator Foramen and Obturator Membrane
What is the Insertion of Obturator Externus
Trochanteric Fossa of the Femur
What are the Actions of Obturator Externus
External Rotation of Hip/Thigh, Stabilize Thigh
What is the Shape of Gemellus Inferior
Small, Triangular
What is the Location of Gemellus Inferior
Blends with the Inferior aspect of Obturator Internus
What is the Origin of Gemellus Inferior
Ischial Tuberosity
What is the Insertion of Gemellus Inferior
Greater Trochanter
What are the Actions of Gemellus Inferior
External Rotation, Abduction, Stabilize Thigh
What is the Innervation of Gemellus Inferior
Nerve to Obturator Internus
What is the Shape of Piriformis
Pear shaped, Relatively short
What is the Location of Piriformis
Deep to Glut Max, Divides the Gluteal Region into Superior and Inferior parts
What is the Origin of Piriformis
Anterior surface of the Sacrum
What is the Insertion of Piriformis
Greater Trochanter of Femur (superior aspect)
What are the Actions of Piriformis
External Rotation, Abduction, Stabilizes Thigh
What is the Innervation of Piriformis
Nerve to Piriformis
What is the Shape of Gemellus Superior
Small, Triangular
