Lower Limb Muscles

Question 1

Origin and insertion and location of extensor digitorum longus

Answer 1

O: lateral tibial condyle and proximal 3/4 of fibula
I: phalanges of toes 2-5
Lateral to tibial is anterior

Question 2

Extends hip when forceful extension is needed like climbing and jumping

Answer 2

Gluteus Maximus

Question 3

Origin, insertion, location of tibial is anterior

Answer 3

O: upper tibia and parallels anterior crest
I: tarsal bones
Superficial of anterior leg

Question 4

Acts to keep the upper body from falling backward when standing erect

Answer 4

Iliopsoas

Question 5

Steadies the pelvis when walking

Answer 5

Gluteus medius

Question 6

Helps flex hip because it crosses both hip and knee

Answer 6

Rectus femoris

Question 7

What two fused bones makes up the iliopsoas

Answer 7

Iliacus and psoas major

Question 8

Location origin and insertion of adductor muscles

Answer 8

Forms muscle mass at medial side of each thigh origin is the pelvis and insertion is the proximal femur

Question 9

What does the gluteus Maximus form

Answer 9

Most of the buttocks

Question 10

Why do adductor muscles become flabby easily

Answer 10

Gravity does most work the muscles so special exercises are need to keep them toned

Question 11

Location and origin and insertion of hamstring group

Answer 11

Posterior thigh
origin is the ischial tuberosity
Insertion is both sides of proximal tibia

Question 12

Prime mover of thigh extension and knee flexion

Answer 12

Hamstring group

Question 13

What are the three muscles of the hamstring group

Answer 13

Biceps femoris
semimembranosus
semitendinosus

Question 14

Location in origin and insertion of sartorius

Answer 14

Most superficial of thigh
origin is the anterior iliac
insertion is medial side of tibia

Question 16

What is the Sartorius like

Answer 16

Thin and strap like

Question 17

Prime mover of plantar flexion

Answer 17

Gastrocnemius

Question 18

Another name for sartorius

Answer 18

Tailor’s muscle because it acts synergyst just to be able to sit

Question 19

Adducts or presses thighs together

Answer 19

Adductor muscles

Question 20

Origin and insertion of rectus femoris

Answer 20

Origin is the pelvis

Insertion is the tibial tuberosity via platellar ligament

Question 22

Extends knee powerfully

Answer 22

Rectus femoris

Vastus muscles

Question 23

Three fibularis muscles

Answer 23

Longus brevis and tertius

Question 24

Prime mover of hip flexion

Answer 24

Iliopsoas

Question 25

Brings thigh in straight line

Answer 25

Gluteus Maximus

Question 25

Origin and insertion of iliopsoas

Answer 25

Origin is the iliac bone in lower vertebrae deep inside pelvis insertion is the lesser trochanter of femur

Question 25

What is the Rectus femoris and Bastia muscles used for

Answer 25

Sometimes used as intramuscular injection site for infants with poorly developed gluteus muscles

Question 28

What happens if Achilles' tendon is cut

Answer 28

Walking is difficult and foot drags cause heel can't be lifted

Question 29

Prime mover of toe extension

Answer 29

Extensor digitorum longus

Question 30

Location and origin and insertion of fibularis muscles

Answer 30

Lateral part of leg Origin is fibula Insertion is metatarsal bones

Question 31

Dorsiflex and inverts foot

Answer 31

Tibialis anterior

Question 32

Origin and insertion of gluteus medius

Answer 32

O:Ilium I: femur Beneath gluteus Maximus

Question 32

Runs obliquely across thigh and is a weak thigh flexor

Answer 32

Sartorius

Question 33

Plantar flexion and eversion

Answer 33

Fibularis muscles

Question 33

Origin and insertion if gastrocnemius

Answer 33

Origin is the two heads on each side of distal femur | Insertion is the calcaneus bone via calc sneak (Achilles) tendon

Question 34

Flexes knee

Answer 34

Gastrocnemius

Question 35

How many bellies in gastrocnemius

Answer 35

Two bellies

Question 36

Origin and insertion of soleus and location

Answer 36

Origin is proximal tibia and fibula Insertion is calcaneus bone via Achilles' tendon Deep to gastrocnemius

Question 37

Calcaneus tendon

Answer 37

Achilles' tendon

Question 38

Plantar flexion

Answer 38

Soleus

Question 39

Origin and insertion of gluteus Maximus

Answer 39

O: sacrum and iliac bones I: gluteal tuberosity of femur and large tendinuous iliotibial tract Superficial muscle of hip

Question 40

Another name of gastrocnemius

Answer 40

Toe dancers muscles

Question 41

Hip abductor

Answer 41

Gluteus medius