How long does it take to lose your gains?

Taking time off from your regular workout routine for any reason can be a challenge, and it's common to worry about losing the progress you've made in your fitness journey. Whether you're recovering from an injury, dealing with a personal issue that leaves you with less time and energy, or facing any other circumstance that makes it difficult to maintain your regular workout schedule, it's normal to be worried about months or even years of training going down the drain. But how long does it take to really for deconditioning to really set in?