how manual wheelchair users move (explainer for non-users)
frequently when iβm out and about with someone walking, they canβt anticipate what path i will take and therefore theyβre in my way pretty frequently. this is fine! i can politely ask them to step to the side. but it makes me think about how little non-wheelchair users understand the way wheelchair users move. as someone who used to walk everywhere, it was an adjustment period for me to figure out how to navigate the world in a chair. here are some things that didnβt occur to me so that you donβt cut off your friend right as theyβre building momentum to go up a ramp π
for context, i use an active manual chair. the world is very different in a power chair. even among active manual chair users, there is a huge diversity in physicality and strategies for getting around. this is a general guide that i think will apply to most manual wheelchair users. iβm starting super basic and getting more complicated as i go.
1. manual wheelchairs are a momentum game. it is very easy to maintain speed and direction. but speeding up, slowing down, or turning, is hard. one thing this affects is if weβre on a wavy sidewalk or other twisty-turny walkway, that is a pain in the ass and i am taking as straight a path as i can.
2. wheelchair users also have to pay attention to the slope and condition of the pavement, so our path somewhere will be different than yours, even if weβre taking the same route to the same place. for example, i usually have to go down slopes straight, not diagonally, to avoid tipping over sideways. one area this affects is crosswalks. many intersections have one curb cut for both roads you could cross, which means i will go down curb cuts to a crosswalk as if i am aiming for the middle of the intersection.
your path in orange, mine in blue. to you it seems indirect, but to me itβs the path of least resistance.
i also will be building speed in the second half of the crosswalk. this is a much easier way to tackle a ramp. if i approach with momentum, i wonβt have to drag myself up the slope once i get to it.
3. building momentum and maintaining it is only half of the job. the other half is stopping. manual wheelchairs cannot stop on a dime if theyβre moving with any kind of speed. if i tried to stop immediately when going downhill, i would fly out of the chair. so donβt walk right into the path of a wheelchair in motion and then stop! i will have to turn to the side very quickly and hope i donβt tip. i canβt tell you how often parents pushing strollers will stop their stroller directly in my path and then get offended when i am alarmed and turn sharply to avoid hitting their child. from their perspective, i was being careless and going βtoo fast.β in reality, normal walking speed takes a few feet to slow down from and stop.
4. in terms of slope. see this street in san francisco?
i canβt go down this street, itβs way too steep. i would give myself friction burns on my palms trying to control my speed. if i was in a situation where there was no avoiding this street, like in an emergency, i would be breaking my straight-slope rule and zig-zagging in the middle of the road.
this would require several zig-zags back and forth, more than the four that i drew. i also could not go up this road other than with this method. up or down, i risk tipping over sideways if iβm not careful.
4. in a similar vein, consider terrain. slopes with grass or carpet take huge amounts of energy to get up. this grassy hill isnβt insurmountable, but it would take me like thirty minutes to get up there. honestly i would probably go backwards, because itβs easier to pull yourself up a slope than push yourself.
other types of terrain can be completely immobilizing, though. this decorative gravel pathway is beautiful, and inaccessible to me. my casters (front wheels) simply will not go through that.
5. in terms of walkways and obstacles. if thereβs a deep gap in the pavement lined up the way iβm going, and itβs, say, an inch wide, that is an obstacle for me. my casters are one inch wide, and my back wheels are an inch and a half. iβll get stuck in it like a train on a track.
i have to straddle this, even if it means being too close to the middle of the sidewalk and preventing us from walking side by side.
similarly, if a crack is greater than an inch high, iβm gonna wheelie over it. at two inches, i have to. a wheelie may require a change in speed, either faster or slower depending on the person.
i have 4 inch casters, so a lip as little as 2 inches will stop me in my tracks. a lip as little as one inch, hit with any speed, can knock my casters out of square. casters can get knocked out of alignment pretty easily depending on the chair. iβd rather not have to pull out an allen wrench and a level, so iβm gonna wheelie.
this happened when i hit about a 1.5β lip on a pavement crack when i was going downhill at maybe 3mph.
6. putting it all together. see how diagonal this crack is?
this is another situation where i have to go straight relative to the slope. because that crack is wide, it will probably also require a wheelie. if i tried to approach that straight relative to the sidewalk, my left caster would get up the slope, iβd wheelie, then my right caster would land in the crack. i have to go this way.
(also lol at the trash can blocking the curb cut)
these are just a few things to keep in mind when walking about with a wheelchair user! ofc the best strategy always is just to listen when someone asks you to move out of their way π but i think being able to anticipate movement a little better will help it seem less random. feel free to ask any questions!
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