Walk onto any average joe gym floor, and you’ll probably notice guys using cringeworthy exercise form or doing moves that don't really accomplish anything.

But these obvious errors are just two of the many possible ways you can screw yourself in the gym. With so many pieces of equipment to choose from and permanent crowding around the squat rack, it’s hard to set up a proper routine—let alone get in a good warmup and all of the other components.

And while some of these mishaps may be minor, they can actually lead to huge setbacks in terms of gains.

To save yourself time, get faster results, and make your workouts more effective, make sure you avoid these following mistakes.