Originally Posted by ShutUpLegs

A squat uses a lot.of other muscles to complete this is correct, but those not being relative to a cyclist is very much incorrect. A standard squat is a staple exercise. It targets many legs muscles which cyclists use everyday. It also requires the engagement of the core and back. Both of which are equally important as your legs. Developing a strong core directly affects your cycling and allows you to transfer more power to the pedals same with lower back. The balance require for the squat activates these muscles...a leg press does not. I'd question your trainer.