WC

Question 1

seat height

Answer 1

heel to popliteal fold,
add 2 inches
average: 19.5-20.5

Question 2

seat depth

Answer 2

from posterior buttock to popliteal,
subtract 2 inches
average: 16 inches

Question 3

seat width

Answer 3

widest aspect of buttocks, hips or thighs.
add 2 inches
average 18 inches

Question 4

back height

Answer 4

seat to floor of axilla with shoulder flexed to 90 degrees,
subtract 4 inches
average 9 inches above seat

Question 5

ultralight frame

Answer 5

high active
no need for postural supports
sports

Question 6

standard/lightweight frame

Answer 6

self propel with both Use
adequate LE ROM
sitting ability

Question 7

hemi frame

Answer 7

self propel with LEs

Question 8

one-hand drive frame

Answer 8

self propel with one UE

Question 9

amputee frame

Answer 9

self propel

COG shifted posteriorly d/t amputation

Question 10

geri chair

Answer 10

not able to self propel or safely operate power

requires assistance for seated mobility

Question 11

reclining frame

Answer 11

unable to perform weight shifts/sit upright for extended periods of time
moderate to sever trunk involvement

Question 12

backward tilt in space frame

Answer 12

unable to sit upright/weight shift, also has issues with sliding or extensor tone

Question 13

planar posterior head rest

Answer 13

reclining or tilt in space frame or tends to maintained hyperextended head/neck

Question 14

curved headrest

Answer 14

maintain backwards listing or lateral head and neck position in sitting
side panels may be indicated for more aggressive support

Question 15

sling back

Answer 15

no postural support and no neuromuscular deficits

short term use

Question 16

planar back

Answer 16

patient requires mild to moderate trunk support due to tone, strength, or deformity

Question 17

curved back

Answer 17

moderate trunk support due to tone, strength, deformity related postural concerns

Question 18

custom molded insert

Answer 18

significant trunk support d/t sever postural concerns

Question 19

removable back insert

Answer 19

w/c must be able to fold

Question 20

back height below inferior angle of scap

Answer 20

patient is able to self propel and has good trunk control

Question 21

back height above inferior angle of scapula

Answer 21

either self propel but requires some spinal support or uses power w/c with or without poor trunk control

Question 22

sling seat

Answer 22

no postural support and no NM deficits,

short term use

Question 23

planar seat

Answer 23

patient has no seated deformity

Question 24

curved seat

Answer 24

requires mild to moderate

Question 25

custom molded seat

Answer 25

requires customized seat support to correct for pelvic obliquity or a fixed asymmetrical deformity

Question 26

removable seat insert

Answer 26

w/c must be able to fold

Question 27

bevel front edge of seat

Answer 27

propels using LEs

Question 28

planar lateral supports

Answer 28

requires mild-mod lateral support d/t listing or scoliosis

Question 29

contoured or curved lateral supports

Answer 29

requires total contact lateral support for sig lateral listing of scoliosis

Question 30

chest strap

Answer 30

requires trunk support to correct for anterior listing

Question 31

chest harness

Answer 31

requires both trunk and shoulder support to correct for anterior listing

Question 32

removable armrest

Answer 32

tf via slide board or max x 2; access to wheels for propulsion

Question 33

no armrests

Answer 33

doesn't require UE or trunk support

Question 34

full length arms

Answer 34

performs STS tf; requires additional postural support | utilizes a lap board

Question 35

tubular or single posted arms

Answer 35

minimal support for UE easy assess to wheels for propulsion easy removal of arms

Question 36

fixed/non removable

Answer 36

durable UE support

Question 37

toggle/lever breaks

Answer 37

coordinated motor ability to operate

Question 38

brake extension

Answer 38

additional leverage to operate toggle | limited ability to reach break mechanism

Question 39

attendant operated break

Answer 39

cannot safely or I operate breaks

Question 40

small diameter handrims

Answer 40

adequate strength to efficiently propel chair w/out adaptation for requiring speed for tasks

Question 41

large diameter handrims

Answer 41

some weakness in UE | for pts requiring ability to propel with more power

Question 42

rim projections

Answer 42

grip deficits or hand deformity

Question 43

covered rims

Answer 43

assist for adequate grasp or friction when hands in contact with wheel rims

Question 44

standard footrest

Answer 44

full ROM through feet and ankles

Question 45

adjustable angle footrests

Answer 45

some degree of deformity in feet and/or ankles

Question 46

one piece footboard

Answer 46

supportive surface to maximize strength | patient requires additional lateral foot support

Question 47

custom foot box

Answer 47

LE not aligned with body midline as with windswept deformity | angle or support needs are ID'd

Question 48

proportional control

Answer 48

allow user to modulate speed based on displacement of joystick 360 degree directionality

Question 49

non-proportional control

Answer 49

moves at preset speed | user must release joystick to change directions

Question 50

sip and puff control

Answer 50

high level SCI | based on force of inhalation/exhalation

Question 51

head control

Answer 51

via electric switch and configurations vary

Question 52

bariatric WC

Answer 52

weight limits between 300-1000 lbs

Question 53

liquid cushions

Answer 53

typically lightweight | can produce high shear forces

Question 54

solid cushions

Answer 54

limit shear forces | but are heavier than other alternatives

Question 55

air filled cushion

Answer 55

vary in average sheer forces lightweight require diligent monitoring