Thigh muscles

Question 0

Vastus Lateralis O, I, A, N, & NR

Answer 0

O: Linear Aspera
I: Tibial tuberosity via patella tendon
A: Knee extension
N: Femoral nerve
NR: L2, L3, L4

Question 1

Rectus Femoris O, I, A, N and NR

Answer 1

O: AIIS
I: Tib Tub via patellar tendon
A: Knee extension can assist w hip flexion
N: Femoral nerve
NR: L2, L3, L4

Question 2

This muscle is important for keeping patella medial during tracking in femoral groove

Answer 2

Vastus Medialis

Question 3

O, I, A, N, NR for Vastus Medialis

Answer 3

O: Linea Aspera
I:Tib tub
A: Knee Extension
N: Femoral nerve
NR: L2, L3,  L4

Question 4

O, I, A, N, & NR of Vastus Intermedialis

Answer 4

O: Anterior femur
I: Tib tub via pat tendn
A: Knee extension
N: Femoral nerve
NR: L2, L3, L4

Question 5

I, A, N & NR of Semimembranosus

Answer 5

I: Posterior surface of medial condyle of tibia
A: Knee flexion, can assist w hip extension
N: Sciatic Nerve
NR: L5, S1, S2

Question 6

I, A, N & NR of Semitendinosis

Answer 6

I: Pes Anserine
A: Knee flexion can assist w hip extension
N: Sciatic Nerve
NR: L5, S1, S2

Question 7

O (short head), I, A, N, & NR

Answer 7

O: SH - lateral lip of linea aspera
I: Fibular head
A: both heads flex knee only LH assists w hip extension
N: LH - sciatic nerve SH- common peroneal nerve
NR: L5, S1, S2, S3

Question 8

This muscle unlocks knee in this direction

Answer 8

popliteus in external rotation

Question 9

This muscle can help hold knee in extension if pt does not have quad fnx

Answer 9

Gastrocnemius

Question 10

Knock knee

Answer 10

Genu valgum

Question 11

bow legged

Answer 11

Genu varum

Question 12

Terrible triad

Answer 12

ACL, MCL, med meniscus