Do you skip warming up before an upper-body workout? I have to cop to it, too, but while it might seem like you're saving time, skipping this step could be causing more damage than you realize.
"Warming up is important to lubricate the joints, raise the heart rate and prevent injury," explains Lewis Paris, personal trainer and founder of Lewis Paris London. "If you start your workout cold, the mind and body are not prepared to handle the load you are about to withstand."
