CMC Manual & Power Wheelchair Selection 2

Question 1

A client with C6 tetraplegia wants to propel a manual wheelchair independently. Which rim modification best supports this goal?

Accepted Answer

Vertical projections on the push rim

Answer

Vertical projections (quad pegs) allow clients with limited hand function to hook wrists or palms over the rim for propulsion.

Question 2

Which power wheelchair drive configuration provides the tightest turning radius?

Accepted Answer

Mid-wheel drive

Answer

Mid-wheel drive places the drive wheels at the center of the chair, allowing it to pivot nearly in place for the tightest turning radius.

Question 3

A bariatric client weighing 350 lbs needs a manual wheelchair. What is the minimum weight capacity category that should be considered?

Accepted Answer

Extra heavy-duty (450 lb limit)

Answer

Extra heavy-duty chairs rated for 450 lbs provide an adequate safety margin above the client's 350 lb weight.

Question 4

Camber on a manual wheelchair's rear wheels primarily improves which performance characteristic?

Accepted Answer

Lateral stability and propulsion efficiency

Answer

Outward camber lowers the chair's center of gravity and widens the base, improving lateral stability and placing the push rim in a more ergonomic position.

Question 5

A client reports shoulder pain after six months of manual wheelchair use. Which seating adjustment should be evaluated first?

Accepted Answer

Seat-to-floor height (axle position)

Answer

Incorrect axle position relative to the shoulder alters propulsion biomechanics and is the leading modifiable factor in wheelchair-related shoulder injury.

(CMC) Certified Mobility Consultant Practice Test

(CMC) Certified Mobility Consultant Practice Test

CMC Manual & Power Wheelchair Selection 2