Muscles Of The Lower Limb

Front 1

Quadricep Femoris: four muscles

Back 1

vastus medialis, vastus lateralis, vastus intermedius, rectus femoris

Front 2

action and innervation of quadricep femoris

Back 2

action: extensor of the knee joint, rectus femoris flexes the hip joint
innervation: femoral nerve

Front 3

sartorius action and innervation (seat belt muscle)

Back 3

action: flexor at both the hip and knee joint
innervation: femoral nerve

Front 4

two muscles of the iliopsoas

Back 4

iliacus and psoas major muscle

Front 5

action and innervation of iliopsoas

Back 5

action: strong flexor of the hip
innervation: lumbar plexus (psoas muscle), femoral nerve (iliacus muscle)

Front 6

Action and innervation of gracilis

Back 6

action: adductor of the thigh, flexor at the hip and knee joint
innervation: obturator nerve

Front 7

action and innervation of the adductor longus and adductor brevis

Back 7

action: adduction of the thigh and hip flexion
innervation: obturator nerve

Front 8

pectineus muscle action and innervation

Back 8

action: same
innervation: femoral and obturator nerve

Front 9

adductor magnus

Back 9

action: extensor of the hip, adductor of the leg, lateral rotator of the thigh
innervation: tibial nerve innervates the hamstring part, obturator nerve innervates the adductor part

Front 10

action and innervation of gluteus maximus

Back 10

action: extensor of the hip joint, lateral rotator and adductor of the hip, adduction of the hip
innervation: inferior gluteal nerve (L5-S2)

Front 11

tensor fasciae latae

Back 11

action: abduction, medial rotation and flexion of the thigh, supports the knee joint
innervation: inferior gluteal nerve

Front 12

gluteus medius and gluteus minimus

Back 12

action: abduction and medial rotation of the thigh, lateral and flexion of the hip, maintains pelvis level when opposite leg is raised
innervation: superior gluteal nerve L5-S1

Front 13

piriformis action and innervation

Back 13

action: keeps femur head in the acetabulum, lateral rotator of the extended thigh, abductor of the flexed thigh
innervation: S1-S2

Front 14

superior/ inferior gemullus innervation

Back 14

superior: L5-S1
inferior: quadratis femoris nerve

Front 15

what nerve damage causes trendelenbergs positive sign?

Back 15

superior gluteal nerve

Front 16

result of T-berg positive sign:

Back 16

can't abduct pelvis on left femur, right buttock droops

Front 17

action and innervation of bicep femoris (long head)

Back 17

action: extension of the hip and muscle is a flexor and lateral rotator at knee joint
innervation: tibial nerve (L5-S2)

Front 18

innervation of the short head bicep femoris

Back 18

peroneal nerve S1-S2

Front 19

action and innervation of Semitendinosus

Back 19

Front 20

action and innervation of semimbranosus

Back 20

action: extension at the hip joint, strong flexion and medial rotation at the knee
innervation: tibial nerve

Front 21

action and innervation of the tibialis anterior

Back 21

dorsiflexion and inversion of the foot at the ankle joint
peroneal nerve

Front 22

extensor hallucis longus action

Back 22

action: dorsiflexion of the big toe and ankle
peroneal nerve

Front 23

extensor digitorum longus action

Back 23

dorsiflexion of the digits and ankle
pernoeal nerve

Front 24

peroneus tertius

Back 24

extends to the 5th metatarsal bone and helps in the eversion of the foot

Front 25

what is the posterior superficial layer of the lower limb called and what does it do?

Back 25

triceps surae, plantar flexors of the foot, and helps walking and running

Front 26

gastrocnemius action

Back 26

plantar flexion of the ankle and assists in walking, active for fast movement

Front 27

which muscle is very small and may not be present in some people?

Back 27

plantaris

Front 28

soleus action

Back 28

active in hard and sustained motion (red fiber types)

Front 29

which tibial nerve innervates the superficial and deep layer of the posterior muscles respectively

Back 29

S1-S2, L4-S3

Front 30

action of popliteus

Back 30

involved in the flexion of the knee, unlocking the knee joint, medial rotation of the leg

Front 31

what does Tom, Dick and and Harry stand for?

Back 31

tibialis posterior, flexor digitorum longus, and flexor hallucis longus

Front 32

What are two lateral muscles and what nerve innervates them?

Back 32

peroneus longus, peroneus brevis
superficial peroneal nerve (L5-S1, S2)