Knee Joint
As Musele
le Popleteus
Origin: Outer side of lateral condyle of fomur
Insertion: Above the oblique line on posterior surface
of tibia
Structure: Thin flet trienguler mesele which forms lower
part of the floor of the popliteal space
Action: Flexion and inward rotation of knee
innervation: Internal popliteal
2. Vastus externus

Origin: Anterior border grest trochanter and linea espera —

Insertion: Tuberosity of the tibiae
Structure:
Action: Extends the —
Innervation: Anterior crural
S$. Vastus internus
Origin: Inner lip of the lines aspéra of the femur
Insertion: Tuberosity of the tibia
Structure:

 

Action: Extends te leg

Innervation: Anterior crural

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