OIAs Muscles that move the lower leg (9)

Question 1

1. Hamstring Muscles – all are for flexion of the lower leg
   i. Biceps femoris

Answer 1

1. O: ischial tuberosity & posterior femur
2. I: head of fibula & lateral condyle of tibia

Question 2

1. Hamstring Muscles – all are for flexion of the lower leg
   ii. Semitendinosus

Answer 2

1. O: ischial tuberosity
2. I: medial surface of tibia

Question 3

1. Hamstring Muscles – all are for flexion of the lower leg
   iii. Semimembranosus

Answer 3

1. O: ischial tuberosity
2. I: medial condyle of tibia

Question 4

2. Sartorius

Answer 4

i. O: spine of ilium
ii. I: medial surface of tibia
iii. A: flexion, helps cross legs

Question 5

3. Quadriceps femoris group: All attach to patella by a common tendon (bone to bone), called the patellar ligament which then continues to the tibial tuberosity. All extend the leg.

i. Rectus femorus

Answer 5

1. O: Iliac spine
2. I: Patella
3. A: extension of leg at knee

Question 6

3. Quadriceps femoris group: All attach to patella by a common tendon (bone to bone), called the patellar ligament which then continues to the tibial tuberosity. All extend the leg.

ii. Vastus lateralis

Answer 6

1. O: Greater Trochanter
2. I: Patella

Question 7

3. Quadriceps femoris group: All attach to patella by a common tendon (bone to bone), called the patellar ligament which then continues to the tibial tuberosity. All extend the leg.

iii. Vastus medialis

Answer 7

1. O: Femur
2. I: Patella

Question 8

3. Quadriceps femoris group: All attach to patella by a common tendon (bone to bone), called the patellar ligament which then continues to the tibial tuberosity. All extend the leg.

iv. Vastus intermedius

Answer 8

1. O: Femur
2. I: Patella