You lift weights at the gym, follow a structured routine, and track your progress. Yet, when you help a friend move, your back aches for days. You can press a heavy barbell, but carrying groceries up three flights of stairs leaves you breathless and sore in strange places. What’s the disconnect? Modern fitness often builds gym strength, not life strength. It isolates muscles, forgetting that in the real world, your body works as one seamless unit. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.