Synergists of the Hip Flashcards by Mallory Fredricks | Brainscape

Q

Flexion

A

Psoas major
1. Iliacus
2. Tensor fasciae latae
3. Sartorius
4. Rectus femoris
5. Gluteus medius (anterior fibers)
6. Gluteus minimus
7. Adductor longus (assists)
8. Pectineus (assists)
9. Adductor brevis (assists)
10. Adductor magnus (assists)

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Q

Extension

A

Gluteus maximus (all fibers)
1. Biceps femoris (long head)
2. Semitendinosus
3. Semimembranosus
4. Adductor magnus (posterior fibers)
5. Gluteus medius (posterior fibers)

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Q

Internal (Medial) Rotation

A

Gluteus Medius (anterior fibers)
1. Gluteus minimus
2. Tensor fasciae
3. Adductor magnus
4. Adductor longus
5. Adductor brevis
6. Pectineus
7. Gracilis
8. Semitendinosus (assists)
9. Semimembranosus (assists)

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Q

External (Lateral) Rotation

A

Gluteus maximus (all fibers)
1. Piriformis
2. Quadratus femoris
3. Obturator internus
4. Obturator externus
5. Gemellus superior
6. Gemellus inferior
7. Gluteus medius (posterior fibers)
8. Psoas major
9. Iliacus
10. Sartorius
11. Biceps femoris (assists, long head)

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Q

Abduction

A

Gluteus maximus (all fibers)
1. Gluteus medius (all fibers)
2. Gluteus minimus
3. Tensor fasciae latae
4. Sartorius
5. Piriformis (when the hip is flexed)

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Q

Adduction

A

Adductor magnus
1. Adductor longus
2. Adductor brevis
3. Pectineus
4. Gracilis
5. Gluteus maximus (lower fibers)

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