India, Nov. 8 -- You might be hitting the gym every day, pushing harder with every session, and thinking you're doing everything right - but training without proper form can do more harm than good. Poor technique and ego lifting not only stall progress but can also increase the risk of serious injuries and long-term joint or bone damage.

Alex, an NASM (National Academy of Sports Medicine) certified personal trainer, lifts on Instagram, has highlighted eight common workout mistakes that can wreck your joints long before you hit 30.

In an Instagram video posted on November 5, the fitness trainer breaks down common gym exercises that can damage your joints, warning, "It's not overtraining that ruins lifters. It's doing d**b stuff for too l...