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3. Sartorius
: Origin: The notch between the two anterior spines of the ilium.
_ Insertion: Lower front part of the inner tuberosity of the tibiae.
Structure: |

Action: Flexes and crosses legs.

Innervation: Anterior crurel.

 

Se Sa NS TES

4. %ectus femoris

Origin: The antero-inferior spine of the iliun, between its tip

and the hip-joint.

Insertion: The upper border of the patella.

Structure: The upper tendon passes down the middle of the muscle
and the flattened lower tendon passes up beneath its deoper
wanteies the muscle fibers cross obliquely from one tendon to
the othere

Agtion: Extends the leg

Innervation: Anterior crural

5e Peotineus |

OriginTliopectines} line end pubis

Insertion: Femur below the lesser trochanter

Structure: Penniform, beth ends of the muscle >aving musculer
and tendinous fibers intermingled. It is twisted *hrough
90 degrees as it passes from origin to insertion.

Action: Flexes the thigh end rotates it outward.

atl

‘Innervation: Anterior Crurel, obturator.

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