Muscles That Act on the Thigh (Femur) - Moves Hip (Coxofemoral) Joint Flashcards by Isabel Diaz

Q

Psoas major - Origin

A

T12 and lumbar vertebrae

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Q

Psoas major - Insertion

A

lesser trochanter of femur

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Q

Psoas major - Action

A

flexes thigh and flexes trunk

on femur (hip joint)

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Q

Iliacus - Origin

A

iliac crest and fossa

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Q

Iliacus - Insertion

A

lesser trochanter of femur

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Q

Iliacus - Action

A

flexes thigh and flexes trunk

on femur (hip joint)

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Q

Gluteus maximus - Origin

A

ilium, sacrum, and coccyx

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Q

Gluteus maximus - Insertion

A

upper posterior surface of femur

and iliotibial tract

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Q

Gluteus maximus - Action

A

extends and laterally rotates thigh (hip joint)

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Q

Gluteus medius - Origin

A

outer surface of ilium

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Q

Gluteus medius - Insertion

A

greater trochanter of femur

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Q

Gluteus medius - Action

A

abducts and medially rotates thigh (hip joint)

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Q

Gluteus minimus - Origin

A

outer surface of ilium

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Q

Gluteus minimus - Insertion

A

greater trochanter of femur

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Q

Gluteus minimus - Action

A

abducts and medially rotates thigh (hip joint)

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Q

Tensor fasciae latae - Origin

A

iliac crest

Q

Tensor fasciae latae - Insertion

A

iliotibial tract

Q

Tensor fasciae latae - Action

A

flexes, abducts, and medially rotates thigh

(laterally supports knee)

(hip joint)

Q

Piriformis - Origin

A

sacrum

Q

Piriformis - Insertion

A

greater trochanter of femur

Q

Piriformis - Action

A

laterally rotates thigh (hip joint)

Q

Obturator internus - Origin

A

none

Q

Obturator internus - Insertion

A

none

Q

Obturator internus - Action

A

laterally rotates thigh (hip joint)

**Adductor magnus - Origin**

inferior ramus of pubis and ischium

**Adductor magnus - Insertion**

linea aspera of femur

**Adductor magnus - Action**

adducts and laterally rotates thigh (hip joint)

**Adductor longus - Origin**

crest and symphysis of pubis

**Adductor longus - Insertion**

linea aspera of femur (middle)

**Adductor longus - Action**

adducts and laterally rotates thigh (hip joint)

**Adductor brevis - Origin**

inferior ramus of pubis

**Adductor brevis - Insertion**

linea aspera of femur (upper)

**Adductor brevis - Action**

adducts and laterally rotates thigh (hip joint)

**Pectineus - Origin**

none

**Pectineus - Insertion**

none

**Pectineus - Action**

adducts, flexes and laterally rotates thigh (hip joint)