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“This is the biggest thing I see changing,” Davis says. “People start to use more of their own bodyweight.” The term may sound confusing but it really means doing exercises that improve the overall balance and coordination of your body. TRX programs are a good example of functional training. It focuses on strength exercises that increase endurance and flexibility so your body has a wide range of motion. All of this helps you perform everyday activities easier. It’s a lot safer, Davis says, because you’re fully supported as opposed to putting a bar on your shoulders while squatting.