lower limb

Question 1

2 functions of lower limb

Answer 1

• support the body weight

- locomotion

Question 2

4 muscles of quadriceps femoris

Answer 2

• vastus medialis
• vastus intermedius
• vastus lateralis
• rectus femoris

Question 3

2 places into which the vastus muscles insert

Answer 3

• margins of the patella

- quadriceps femoris tendon

Question 4

2 segments that mainly contribute to quadriceps femoris

Answer 4

• L3

- L4

Question 5

origin of vastus muscles

Answer 5

femur

Question 6

origin of femoris muscle

Answer 6

pelvic bone

Question 7

2 places of attachment of all quadriceps femoris muscles

Answer 7

• to patella by quadriceps femoris tendon

- to tibia by patellar ligament

Question 8

3 muscles of which the combined tendons of insertion form the pes anserinus

Answer 8

• sartorius muscle
• gracilis muscle
• semitendinosus muscle

Question 9

3 long muscles in the posterior compartment of the thigh (hamstrings)

Answer 9

• biceps femoris
• semitendinosus
• semimembranosus

Question 10

2 movements of the biceps femoris

Answer 10

• flexes the leg at the knee joint

- extends and laterally rotates the hip (long head)

Question 11

nerve that innervates hamstrings

Answer 11

sciatic nerve

Question 12

2 movements of the semitendinosus

Answer 12

• flexes the leg at the knee joint

- extends the thigh at the hip joint

Question 13

division of sciatic nerve which innervates biceps femoris

Answer 13

long head: tibial division

short head: fibular division

Question 14

division of sciatic nerve which innervates semitendinosus and semimembranosus

Answer 14

tibial division

Question 15

2 movements of semimembranosus

Answer 15

• flexes leg at knee joing

- extends thigh at hip joint

Question 16

2 movements generated by semitendinosus and semimembranosus

Answer 16

• medially rotates thigh at hip joint

- medially rotates leg at knee joint

Question 17

hamstring muscle that extends and laterally rotates the hip

Answer 17

biceps femoris