Following hauling stone from Home Depot my lower back tightened badly

https://bridgetbellevilleturf.nexorafield.com/posts/north-york-physiotherapy-breakdown-the-first-2-4-weeks-after-knee-replacement-2

Post hauling stone from Home Depot my lower back tightened badly, I attempted rest and stretches, then the third massage during physio actually let me move like a functioning adult again.