SBC Equipment Selection and Maintenance 2

Question 1

Which material is most commonly used in the construction of high-quality stability balls?

Accepted Answer

PVC (polyvinyl chloride)

Answer

Natural latex

Answer

Neoprene rubber

Answer

High-density foam

Question 2

What is the recommended stability ball size for a client who is 6'0" or taller?

Accepted Answer

75 cm

Answer

55 cm

Answer

65 cm

Answer

85 cm

Question 3

What is the best practice for cleaning a stability ball after use in a group fitness class?

Accepted Answer

Wipe with a damp cloth using a mild soap or disinfectant spray approved for rubber/PVC

Answer

Submerge the ball in a disinfectant solution

Answer

Use alcohol-based sanitizer directly on the surface

Answer

Only dry-wipe to avoid moisture damage

Question 4

When storing stability balls in a fitness facility, which storage method is most appropriate?

Accepted Answer

Store in a ring rack or ball bin that supports them without stacking pressure

Answer

Stack them in a pyramid formation

Answer

Deflate completely and store flat

Answer

Hang them from ceiling hooks using bungee cords

Question 5

A stability ball that feels soft and deforms significantly under moderate pressure most likely needs which intervention?

Accepted Answer

Additional inflation to restore proper firmness

Answer

Replacement because it has exceeded its lifespan

Answer

A surface patch kit applied to seal micro-leaks

Answer

Reduced use until a new ball arrives

Question 6

Which tool is typically used to inflate a stability ball to the correct size?

Accepted Answer

Standard bicycle pump with a needle adaptor

Answer

Industrial air compressor set to 60 PSI

Answer

Oral inflation without any tool

Answer

Vacuum pump with reverse setting

Question 7

Why is it important to allow a newly purchased stability ball to acclimate before measuring it to its final inflated diameter?

Accepted Answer

The PVC material needs to stretch and settle before reaching the specified diameter

Answer

New balls need time to develop anti-slip texture

Answer

New balls contain chemicals that need to off-gas first

Answer

Manufacturer stickers must dry before the ball is fully inflated