What is a disadvantage of selectorized strength machines?

Question

They require access to a spotter.
They increase risk for joint injury. 
They are a poor fit for some body types.
They are safe only for experienced exercisers.

Is it C?

Camilla · Accepted Answer

For those wondering, It's not A

Writeacher · Answer

http://www.empire-fitness-services.com/Fitness-Equipment-Articles/Plate-Loaded-vs-Selectorized-Gym-Equipment.htm Read very carefully.

Rylee · Answer

thanks

Anonymous · Answer

then what is it

jasmine whitman · Answer

theyre a poor fit for some body types