Extensors of the Knee (Quadriceps Femoris) Flashcards
Attachments and Main Action/s
Rectus Femoris
Attachments:
Superior/Proximal: AIIS & Ilium
Inferior/Distal: Via Common Tendinous Attachments to base of Patella (Indirectly to Tibia Tuberosity)
Action:
Extends Leg at Knee Joint & Steadies Hip Joint & Helps Iliopsoas Flex Thigh
Vastus Lateralis
Attachments:
Superior/Proximal: Greater Trochanter & Lateral Linea Aspera
Inferior/Distal: Via Common Tendinous Attachments to base of Patella (Indirectly to Tibia Tuberosity)
Action:
Extends Leg at Knee Joint
Vastus Medialis
Attachments:
Superior/Proximal: Intertrochanteric Line & Medial Linea Aspera
Inferior/Distal: Via Common Tendinous Attachments to base of Patella (Indirectly to Tibia Tuberosity)
Action:
Extends Leg at Knee Joint
Vastus Intermedius
Attachments:
Superior/Proximal: Anterior and Lateral Shaft of Femur
Inferior/Distal: Via Common Tendinous Attachments to base of Patella (Indirectly to Tibia Tuberosity)
Action:
Extends Leg at Knee Joint