Week seven OIA Lower E

Question 1

Origin of Rectus Femoris

Answer 1

Anterior Inferior Iliac Spine (AIIS)

Question 2

Insertion of Rectus Femoris

Answer 2

Tibial Tuberosity via Patellar ligament

Question 3

Action of Rectus Femoris

Answer 3

Flexion of hip and knee extension

Question 4

Origin vastus medialis

Answer 4

Medial lip linea aspera

Middle of the lip to aspera
Medial = middle

Question 5

Insertion of vastus medialis

Answer 5

Tibial Tuberosity via Patellar ligament

Question 6

Action of vastus medialis

Answer 6

Extension of knee

Question 7

Origin of vastus lateralis

Answer 7

lateral lip linea aspera, gluteal tuberosity, greater trochanter

Lateral lip of the aspera, gluts tub and the greater troch.
Lateral = lateral (BIG L)

Question 8

Insertion of vastus lateralis

Answer 8

Tibial Tuberosity via Patellar ligament

Question 9

Action of vastus lateralis

Answer 9

Extension of knee

Question 10

Origin of vastus intermedius

Answer 10

Anterior and Lateral shaft of femur

A-L shaft of Femur
Inter = anterior
Front of femur

Question 11

Insertion of vastus intermedius

Answer 11

Tibial Tuberosity via Patellar ligament

Question 12

Action of vastus intermedius

Answer 12

Extension of knee

Question 13

Origin of biceps femoris

Answer 13

Long: Ishial tuberosity
short: lateral lip linea aspera

IT and lateral lip of aspera

Question 14

Insertion of biceps femoris

Answer 14

head of fibula (posterior)

The fibula is by the head

Question 15

Action of biceps femoris

Answer 15

Flextion and laterally rotate knee.
Long: hip extension and laterally rotate. Post tilt of pelvis

Bi = laterally

Question 16

Origin of semitendinosus

Answer 16

Ishial tuberosity

IT

Question 17

Insertion of semitendinosus

hamstring

Answer 17

Proximal, medial shaft of tibia at pes anserine tendon

P-M is tender

Question 17

Action of semitendinosus

Answer 17

flexion and medially rotate knee. extension and medially rotate hip. post pelvic tilt

Tendin = medially
Middle of the tendon

Question 18

Origin of semimembranosus

Answer 18

Ishial Tuberosity

Question 19

Insertion of semimembranosus

Answer 19

Posterior of medial condyle of tibia

middle of membrane is posterior of tibia

Question 20

Action of semimembranosus

Answer 20

Flexion and medial rotation of knee. Extension and medially rotation. Post tilt pelvis.

Same as semitendinosus

Question 21

Origin of Sartorius

Answer 21

Anterior Superior Iliac Spine (ASIS)

All the S’s
S = ASIS

Question 22

Insertion of Sartorius

Answer 22

Proximal, medial, shaft of tibia at pes anserine tendon

P -M of the tibia
Same as semitendinosis

Question 23

Action of Sartorius

Answer 23

Flexion and medially rotation knee. Flexion and laterally rotation and abduct hip.

F = Medial
F = lateral ab
EXCEPT: adduction and extension

Question 24

Origin of Tensor Fasciae Latae

Answer 24

Iliac crest, posterior to ASIS

Iliac is posterior to the ASIS

Question 25

Insertion of Tensor Fasciae Latae

Answer 25

Iliotibial tract

Question 26

Action of Tensor Fasciae Latae

Answer 26

Flexion, medially rotation and abduct hip

Medial abduct of flextion