Week 3: Lower limb anatomy

Question 1

Pelvic girdle?

Answer 1

Both hip bones

Question 2

Thigh bones?

Answer 2

Femur and patella

Question 3

Leg bones?

Answer 3

Tibia and fibula

Question 4

Foot bones?

Answer 4

Tarsals (7), metatarsals (5), phalanges (14)

Question 5

Purpose of lower limb?

Answer 5

Locomotion

Question 6

T or F: All joints in the lower limb are synovial

Answer 6

F

Question 7

Exceptions to synovial joints in lower limb?

Answer 7

Inferio tibiofibular joint (fibrous), Pubic symphysis (cartilagenous)

Question 8

Knee joint?

Answer 8

Modified hinge joint - tiny rotation in full extension to lock knee in place

Question 9

What is subtular joint?

Answer 9

Talus and calcaneus - plane/gliding

Question 10

What joint allows for inversion and eversion of foot?

Answer 10

Subtalar

Question 11

what joint is metetarsophalangeal?

Answer 11

Condyloid

Question 12

Flexors of hip joint?

Answer 12

Iliopsoas (psoas major + iliacus), rectus femoris

Question 13

Extensors of hip joint?

Answer 13

Gluteus maximus, hamstrings (biceps femoris, semitendinosus, semimembranosis)

Question 14

Abductors of hip joint?

Answer 14

Gluteus medius and minimus

Question 15

Extensors of knee?

Answer 15

Quadriceps femoris - rectus femoris, vastus lateralis, vastus intermedius, vastus medialis

Question 16

Flexors of knee?

Answer 16

Hamstrings (biceps femoris, semimembranosis, semitendinosis), gastrocnemius, peroneus longus

Question 17

Plantarfelx ankle joint?

Answer 17

Gastrocnemius, soleus, flexor digitorum longus, flexor hallucis longus, peroneus longus

Question 18

Tibialis anterior action?

Answer 18

Dorsiflex ankle joint, invert foot

Question 19

Extensor digitorum longus action?

Answer 19

• Extend interphalangeal,
metatarsophalangeal joints,
dorsiflex ankle joint

Question 20

Lateral leg muscle?

Answer 20

Peroneus longus

Question 21

Peroneus longus action

Answer 21

Evert foot and plantarflex

Question 22

Action of intrinsic muscle of foot?

Answer 22

Help maintain arches of foot and absorb stress

Question 23

Heel strike muscles?

Answer 23

Anterior leg muscles, control of lower foot

Question 24

Major nerve of lower limb?

Answer 24

Lumbar and sacral plexus

Question 25

What supplies muscle of anterior thigh?

Answer 25

Femoral nerve

Question 26

What supplies gluteus Medius and minimus?

Answer 26

Superior gluteal nerve

Question 27

What supplies gluteus maximus?

Answer 27

Inferior gluteal nerve

Question 28

What are two branches of sciatic nerve?

Answer 28

TIbial and common peroneal

Question 29

Tibial nerve supply?

Answer 29

Muscles of: Posterior thigh , posterior leg, plantar intrinsic foot

Question 30

Common peroneal nerve supply?

Answer 30

Muscles of: Anterior leg, lateral leg, dorsal intrinsic foot

Question 31

What position is hip, knee & ankle in in inital swing?

Answer 31

flex, flex, dorsiflex.

Question 32

What position is hip, knee & ankle in in TERMINAL swing?

Answer 32

flex, extend, dorsiflex