Lower Extremity

Front 1

what regions make of the lower limb?

Back 1

gluteal region
thigh or femoral region
knee region
leg region
angle or talocrural region
foot region

Front 2

what contains the anterior thigh muscles, the flexors of the hip and extensors of the knee?

Back 2

large anterior compartment of the thigh

Front 3

what are the anterior thigh muscles?

Back 3

pectineus
iliopsoas
sartorius
quadriceps femoris

Front 4

what forms the main bulk of the anterior thigh muscles?

Back 4

quad femoris

Front 5

what is the four headed femoral muscle?

Back 5

quad femoris

Front 6

what is the largest most powerful muscle of the body?

Back 6

quad femoris

Front 7

how many times stronger may it be than the hamstings?

Back 7

3 x

Front 8

what are the four parts of the quad femoris?

Back 8

resctus femoris
vastus lateralis
vastus intermedius
vastus medialis

Front 9

where can the quad produce action?

Back 9

hip and knee

Front 10

what is the great extensor of the leg?

Back 10

quad femoris

Front 11

what unites at the distal portion of the thigh to form a single, strong, broad quad tendon?

Back 11

the tendons of the four parts of the quad

Front 12

what attaches at the tibial tuberosity?

Back 12

patellar ligament

Front 13

what is a continuation of the quad tendon in which the patella is embedded?

Back 13

patellar ligament

Front 14

what attach independently to the patella and form the medial and lateral retinacula?

Back 14

medial and lateral vasti muscles

Front 15

what reinforce the joint capsule of the knee on each side of the patella?

Back 15

medial and lateral patellar retinacula

Front 16

what are collectively called the adductor group?

Back 16

medial thigh muscles

Front 17

what muscles are primarily innervated by the obturator nerve?

Back 17

medial thigh muscles

Front 18

what muscles compose the medial thigh muscles?

Back 18

adductor longus
adductor brevis
adductor magnus
gracilis
obrturator externus

Front 19

what attaches proximally to the anteroinferior exterior of the bony pelvis and adjacent obturator membrane?

Back 19

adductor muscles

Front 20

what attach distally to the linea aspera of the femur?

Back 20

adductor muscles

Front 21

what innervates the adductorr muscles except the hamstring part of the adductor magnus and part of the pectineus?

Back 21

obturator nerve

Front 22

what innervates the pectineus?

Back 22

LS-L4

Front 23

what innervates the hamstring part of the adductor magnus?

Back 23

the tibial part of the sciatic nerve - L4

Front 24

what are the three parts that compose of the hamstring?

Back 24

semitendinosus
semimembranosus
biceps femoris - long head

Front 25

what innervates the hamstring?

Back 25

tibial division of the sciatic nerve

Front 26

what two joints do the hamstrings act on?

Back 26

extension of the hip joint and flexion of the knee

Front 27

what proximally attaches to the ischial tuberosity deep to the gluteus maximus?

Back 27

hamstrings

Front 28

what are the common features of the hamstrings?

Back 28

proximal attachment to the ischial tuberosity deep to the gluteus maximus
spanning and acting on two joints: extension at the hip joint and flexion of the knee
innervation by the tibial division of the sciatic nerve

Front 29

what two actions cannot be performed maximally at the same time?

Back 29

full extension of the knee -full extension of the thigh
full extension of the hip-full contraction of the knee

Front 30

in which direction would a person with paralyzed hamstrings fall?

Back 30

forward bc the gluteus maximus cannot maintain the necessary muscle tone to stand straight

Front 31

what extends thigh, flexes leg and rotates medially when knee is flexed, when thigh and leg are flexed and can extend trunk?

Back 31

semitendinos
semimembranosus

Front 32

what attaches proximally at the ischial tuberosity?

Back 32

semitendinosus
sememembranosus
biceps femoris long head

Front 33

what attaches proximally to the linea aspera and lateral supracondylar line of femur?

Back 33

short head of the biceps femoris

Front 34

what attaches to the medial surface of the superior part of tibia?

Back 34

semitendinosus

Front 35

what attaches distally to the posterior part of medial condyle of tibia; reflected attachment forms oblique popliteal ligament?

Back 35

semimembranosus

Front 36

what attaches distally to the lateral side of head of fibula?

Back 36

biceps femoris

Front 37

what flexes leg and rotates it laterally when knee is flexed; extends thigh when starting to walk?

Back 37

biceps femoris

Front 38

what innervates the short heat of the biceps femoris?

Back 38

common fibular division of sciatic nerve

Front 39

what is mostly a fat filled compartment of the lower limb?

Back 39

popliteal fossa

Front 40

what is bound superiorly by the diverging hamstrings and inferiorly by the converging heads of the gastrocnemus an plantaris?

Back 40

popliteal fossa

Front 41

what are the boundaries of the popliteal fossa?

Back 41

superolaterally: by the bicep femoris
superomedially: by the semimembranosus, latearl to which the semitendinosus
inferolaterally and inferomedially: by the latreal an medial heads of gastrocnemus
posteriorly: by skin and popliteal fascia