W2 - Knee Flextion Muscles

Question 1

Name the 7 muscles that are involved in knee flexion

Answer 1

Biceps femoris
Semi tendinosis
Semimembranosus
Sartorius
Gracilis
Gastrocnemius
Plantaris

Question 2

Name the proximal distal attachment sites for bicep femoris muscle for knee flexion

Answer 2

Proximal
Long head : ischial tuberosity
Short head : lateral lip of linear aspera Distal aspera

Distal
Head of fibula, lateral tibial condyle

Question 3

What nerve supplies the bicep femoris muscle for knee flexion

Answer 3

Sciatic nerve L5 S1 S2

Question 4

Name the proximal distal attachment sites for semi tendinosis muscle for knee flexion

Answer 4

Proximal
Ischial tuberosity

Distal
Medial surface of proximal tibia

Question 5

What nerve supplies the semitendonosus muscle for knee flextion

Answer 5

Sciatic nerve L5 S1 S2

Question 6

Name the proximal and distal attachment sites for the semimembranosus muscle for knee flexion

Answer 6

Proximal
Ischial tuberosity

Distal
Groove and adjacent bone on medial and posterior surface of medial tibial condyle

Question 7

Name the nerve that supplies the semimembranosus muscle and knee flexion

Answer 7

Sciatic nerve L5 S1 S2

Question 8

Name the proximal and distal attachment sites for the Sartorius muscle for knee flexion

Answer 8

Proximal
ASIS

DISTAL
medium surface of the tibia just infomedial to tibial tuberosity

Question 9

Name the nerve that supplies the Sartorius muscle for knee flexion

Answer 9

Femoral nerve L2-L3

Question 10

Name the proximal and distal attachment site for the gracilis muscle for knee flexion

Answer 10

Proximal
Line on the body of the pubic , pubic rami and ramus of the ischium

Distal
Medium surface of proximal shaft of the tibia

Question 11

What nerve supplies the gracilis muscle for knee flexion

Answer 11

Obturator nerve L2-L3

Question 12

Name the proximal and distal attachment sites for the gastrocnemius muscle for knee flexion

Answer 12

Proximal
Medial head: posterior surface of distal femur just superior to the medial condyle
Lateral head: upper postolateral surface of lateral femoral condyle

Distal
Calcaneal tendon to the posterior surface of calcaneus

Question 13

What nerve supplies the gastrocnemius muscle for knee flextion

Answer 13

Tibial nerve S1, S2

Question 14

Name the proximal and distal attachment size for the plantarIs muscle for knee flexion

Answer 14

Proximal
Inferior part of the lateral supracondylar line of femur and oblique popliteal ligament of knee

Distal
Calcaneal tendon down to the posterior surface of the calcaneus

Question 15

What muscle supplies the plantarIs muscle for knee flextion

Answer 15

Tibial nerve S1, S2