LL- Knee Joint

Question 1

Muscles in knee FLEXION (7)

Answer 1

• hamstrings
  °semi memb
  °semi tend
  °bicep fem
• gracilis
• gastrocnemius
• popliteus
  Assist= - sartorius

Question 2

Muscles in knee EXTENSION (5, but last is “contractile” not muscle)

Answer 2

• iliotibial band
  Quads:
• vastus lateralis
• vastus medialis
• vastus intermedialis
• rec fem
  assist= TFL

Question 3

Muscles in MEDIAL ROTATION of tibia (5)

Answer 3

• semi memb
• semi tend
• gracilis
• popliteus
• sartorius

Question 4

Muscle in EXTERNAL ROTATION of tibia (1)

Answer 4

• bicep femoris

Question 5

Ligaments in knee (4)

Answer 5

C= “cruciate”
- ACL
- PCL
- MCL
- LCL

Question 6

What muscles are included in ‘hamstrings’

Answer 6

• Bicep femoris,
• Semitendinosis
• Semimembranosis

Question 7

What muscles included in ‘quads’

Answer 7

• vastus lateralis
• vastus medialis
• vastus intermedialis
• rec fem

Question 8

ROM- knee flexion

Answer 8

0- 135

Question 9

ROM- knee extension

Answer 9

0 - (-5)

Question 10

ROM- knee medial tibial rotation

Answer 10

10-20

Question 11

ROM- knee lateral tibial rotation

Answer 11

20-30

Question 12

MCL helps to…

Answer 12

prevent VALGUS force at knee

Question 13

LCL helps to…

Answer 13

prevent VARUS force at knee

Question 14

function of meniscus (3)

Answer 14

• stability
• lubrication (joint nutrition)
• shock absorption

Question 15

GASTROCNEMIUS

Answer 15

origin:
- MH= above MFC (popliteal surface)
- LH= above LFC

insertion:
- calcaneus (post. surface)
- via calcaneal tendon

actions:
- knee flexion
- plantar flexion of ankle

nerve:
- tibial nerve

Question 16

POPLITEUS

Answer 16

origin:
- lat fem condyle

insertion:
- posterior tibial surface (above soleal line)

actions:
- knee flexion
- med tib rotation
- lat fem rotation

nerve:
- tibial

Question 17

VATUS LATERALIS

Answer 17

origin:
- lat lip of linea aspera

insertion:
- tibial tuberosity
- via common quads + patella tendon

actions:
- knee extension

nerve:
- femoral nerve

Question 18

VATUS MEDIALIS

Answer 18

origin:
- medial lip of linea aspera

insertion:
- tibial tuberosity
- via common quads +patella tendon

actions:
- knee extension

nerve:
- femoral nerve

Question 19

VATUS INTERMEDIUS

Answer 19

origin:
- upper 2/3 of femur

insertion:
- tibial tuberosity
- via common quads+ patella tendon

actions:
- knee extension

nerve:
- femoral nerve

Question 20

ILIOTIBIAL BAND

Answer 20

origin:
- TFL

insertion:
- lateral tibial condyle

Question 21

RECTUS FEMORIS

Answer 21

origin:
- anterior= AIIS
- reflected h= above acetabulum

insertion:
- tibial tuberosity
- via common quads+ patella tendon

actions:
- knee extension
- hip flexion

nerve:
- femoral nerve

Question 22

SARTORIUS

Answer 22

origin:
- ASIS

insertion:
- Pes Anserine

actions:
- knee flexion
- hip flexion

nerve:
- femoral nerve

Question 23

SEMI- MEMBRANOSUS

Answer 23

origin:
- ischial tuberosity

insertion:
- medial tibial condyle

actions:
- hip extension
- knee flexion
- tibial medial rotation

nerve:
- tibial nerve of sciatic bundle

Question 24

SEMI TENDINOSUS

Answer 24

origin:
- ischial tuberosity

insertion:
- Pes Anserine

actions:
- knee flexion
- tibial medial rotation
- hip extension

nerve:
- tibial nerve of sciatic bundle

Question 25

BICEPS FEMORIS

Answer 25

origin:
- LH= ischial tuberosity
- SH= linea aspera

insertion:
- fibula head

actions:
- knee flexion
- lateral tibial rotation
- hip extension

nerve:
- LH= tibial nerve
- SH= common peroneal nerve

Question 26

GRACILIS

Answer 26

origin:
- inferior pubic ramus

insertion:
- Pes Anderine

actions:
- knee flexion
- medial rotation of tibia
- hip adduction

nerve:
- obturator nerve

Question 27

good quiz

Answer 27

https://www.getbodysmart.com/anterior-thigh-muscles/iliopsoas-muscle/