knee extensors

Question 1

what muscles extend the knee

Answer 1

• rectus femoris
• vastus intermedius (beneath rec fem)
• vastus lateralis
• vastus medialis

Question 2

vastus intermedius

Answer 2

origin - anterior femoral shaft
insertions - common tendon at the base of the patella, then inserts at the Tib tuberosity via patella tendon

Question 3

vastus lateralis

Answer 3

origin - upper lateral aspect of the femur
insertions - common tendon at the base of the patella, then inserts at the Tib tuberosity via patella tendon

Question 4

vastus medialis

Answer 4

origins - upper medial aspect of the femur
insertions - common tendon at the base of the patella, then inserts at the Tib tuberosity via patella tendon