KAFO

Question 1

what is KAFO

Answer 1

consist of shoe, foundation, ankle control, knee control and superstructure

Question 2

discuss off-set joint

Answer 2

hinged posterior to midline of leg

pt’s weight falls anterior to joint = stabs knee in ext during early stance

does not affect knee flexion and joint can flex

mech axis post to anatomical axis = inc stab

Question 3

discuss drop-ring lock

Answer 3

when pt stands and knee is fully ext - ring drops = prevents bending

manual control and uses hands

dapat walang flexion contracture since only locks at full ext

Question 4

discuss PAWL lock c bail release

Answer 4

provides simulataneous locking of both uprights

pt unlocks by pulling upward on post bail

pag tumama baka mag unlock

locks auto at full ext

Question 5

discuss separated knee joint

Answer 5

pt that cant achieve full knee ext d/y flexion contracture

Question 6

discuss knee cap

Answer 6

applies post directed force that complements anterior forces from back of shoe and thigh band

may restrict sitting

Question 7

discuss frontal plane control

Answer 7

plastic calf shells to correct genu valgum or varum

valgum: medial portion of shells extend proximally to apply laterally directed force

Question 8

discuss superstrucutre

Answer 8

proximal thigh band - weight relieving

if distal limb cant tolerate FWB thighband can be shaped to form WB brim

quadrilateral or ischial brim - locks knee joint