Muscles that move the hip and knee

Question 1

Sartorius

Answer 1

A: flexes, abducts, and laterally rotates hip
O: anterior superior iliac spine
I: tibia

Question 2

Gracilis

Answer 2

A: adducts the hip
O: pubis
I: medial condyle of tibia

Question 3

Adductor longus

just has action

Answer 3

A: adducts the hip

Question 4

Adductor magnus

just has action

Answer 4

A: adducts the hip

Question 5

Tensor fascia lata

Ten-sor fash-e-ah lay-ta

(this is the singular version; just has action)

Answer 5

A: flex, abduct, and medially rotate the hip

Question 6

Gluteus maximus

Answer 6

A: extends, abducts, and laterally rotates the hip
O: ilium and sacrum
I: gluteal tuberosity of the femur

Question 7

Gluteus medius

just has action

Answer 7

A: abducts and medially rotates the hips

Question 8

Vastus lateralis**

** quadriceps group

Answer 8

A: extends the knee
O: greater trochanter of femur
I: tibial tuberosity and patella

Question 9

Vastus medialis**

** quadriceps group

Answer 9

A: extends the knee
O: linea aspera of femur
I: tibial tuberosity and patella

Question 10

Rectus femoris**

** quadriceps group

Answer 10

A: extends the knee; flexes the hip
O: anterior inferior iliac spine
I: tibial tuberosity and patella

Question 11

Semitendinosus***

*** hamstrings group

Answer 11

A: extends the hip; flexes the knee
O: ischial tuberosity
I: tibia

Question 12

Semimembranosus***

*** hamstrings group

Answer 12

A: extends the hip; flexes the knee
O: ischial tuberosity
I: medial condyle of tibia

Question 13

Biceps femoris***

*** hamstrings group

Answer 13

A: extends the hip; flexes the knee
O: ischial tuberosity
I: head of fibula; lateral condyle of tibia