Upper leg and Knee Muscles Flashcards
Rectus Femoris - Origin
O= Pelvis - AIIS & Above acetubaulum
Rectus Femoris - Insertion
I= Patella - superior, patella ligament and into Tibia tuberosity
Rectus Femoris - Actions
Knee extension
Hip flexion
Anterior Pelvic tilt
Vastus Lateralis - Origin
O= Femur - Greater Trochanter and Lateral lip of linea aspera
Vastus Lateralis - Insertion
I= Patella - Lateral superior aspect, patella ligament and Tibia tuberosity
Vastus Lateralis - Action
Knee extension
Vastus Medialis - Origin
O= Femur - Intertrochanteric line and medial lip of linea aspera
Vastus Medialis - Insertion
I= Patella - medially, patella ligament, tibia tuberosity
Vastus Medialis - Actions
Knee extentsion
Vastus intermedius - Origin
O= Femur - anterior & lateral surface of the body
Vastus intermedius - Insertion
I= Patella - superior surface, patella ligament, tibia tuberosity
Vastus intermedius - Action
Knee extension
Gastrocnemius - Origin
O= Femur - Medial & Lateral epicondyle
Gastrocnemius - Insertion
I= Achilles tendon into posterior surface of calcaneus
Gastrocnemius - Actions
Planter flexion
Assists with knee flexion