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LATERAL HIP ROTATORS
MUSCleS
23
Anatomy
Not Applicable
07/17/2010

Additional Anatomy Flashcards

 


 

Cards

Term

What is the Insertion of the Piriformis?

Definition

Greater Trochanter

Term

What is the Origin of the Piriformis?

Definition
Anterior surface of the sacrum
Term
What is the action of the Piriformis?
Definition
Laterally Rotate the hip; Abduct the hip when it's flexed.
Term

What is the insertion of the Quadratus Femoris?

Definition

Intertrochanteric crest, btw the greater & lesser trochancters.

Term
What is the Origin of the Quadratus Femoris?
Definition
Lateral Border of the Ischial Tuberosity.
Term
What is the action of the Quadratus Femoris?
Definition

Laterally rotate the hip

(coxal JT)

Term

What is the insertion of the Obturator Internus?

Definition

Medial surface of the greater Trochanter.

Term

What is the Origin of the Obturator Internus?

Definition

Obturator membrance & Inferior surface of the obturator foramen.

Term

What is the action of the Obturator Internus?

Definition

Laterally rotate the hip.

Term

What is the origin of the Obturator Externus?

Definition

Superior and Inferior Rami of Pubis.

Term

What is the insertion of the Obturator Externus?

Definition
Trochanteric fossa of the Femur.
Term

What is the action of the Obturator Externus?

Definition

Laterally Rotate the hip

(Coxal JT)

Term

What is the action of the Gemellus Superior?

Definition

Laterally Rotate the hip.

(coxal JT)

Term

What is the origin of the Gemellus Superior?

Definition

Ischial Spine.

Term
What is the insertion of the Gemellus Superior?
Definition

Upper border of the Greater Trochanter.

Term

What is the action of the Gemellus Inferior?

Definition

Laterally rotate the hip.

(coxal JT)

Term

What is the Origin of the Gemellus Inferior?

Definition

Ischial Tuberosity

Term

What is the Insertion of the Gemellus Inferior?

Definition

Upper border of the greater trochanter.

Term

The lateral hip rotators are deep to which muscle?

Definition

Gluteus Maximus

Term

What action do the Lateral Hip Rotators creat?

Definition

Lateral Rotation of the hip.

Term

The Piriformis Creats lateral rotation of the hip & what other action?

Definition

Abducts the hip when it is flexed.

Term

What are the Lateral Hip rotators?

Definition

Piriformis; Quadratus Femoris; Obturator Internus; Obturator Externis; Gemellus Superior; Gemellus Inferior.

Term

Which of the Lateral Hip rotator muscles is most accesible?

Definition

Piriformis & Quadratus Femoris

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