wheel chair measurements, ADA
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29 terms
Terms | Definitions |
|---|---|
 seat width | measure widest point across hips then add 2 inches |
| seat depth | measure from posterior portion of the buttocks to the popliteal fossa then subtract 2 inches |
| seat height | knees and ankles positioned at 90 degrees; measure from distal thigh to heel with a 2" clearance from the floor |
| wrap around arm rests | space savers; reduces overall width by 1" |
| 24-26" | average w/c width |
| 32" | minimum doorway clearance |
| 36" | ideal doorway clearance |
| adds 3/4" | removing doorstops |
| adds 1 1/2-2" | offset hinges |
| 5' x 5' (60" x 60") | 360 degree turning space for w/c |
| 48" | maximum height individual can reach from chair |
| 31" | maximum height for countertops |
| 4' aisle | minimum space requirement for parking |
| 48" | minimum pathways and walkways |
| 1" vertical rise to 12" | ramp slope requirement |
| 29-36" | railing measurements |
| 4" high | curbs on ramps |
| 48' | or longer requires a landing for turning |
| 4' x 4' | landing required for a 90 degree turn |
| 4' x 8' | landing required for a 180 degree turn |
| leaning forward | arm rests that are too low encourage |
| shoulder elevation | arm rests that are too high cause |
| adult w/c | 18" W x 16" D x 20" H |
| narrow adult w/c | 16" W x 16" D x 20" H |
| slim adult | 14" W x 16" D x 20" H |
| hemi/low-seat | 17.5" H |
| junior w/c | 16" W x 16" D x 18.5" H |
| child w/c | 14" W x 11.5" D x 18.75" H |
| tiny tot w/c | 12" W x 11/5" D x 19.5" H |
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