specificweightstrategies recommends a “core‑at‑your‑core” approach: every hour, slide forward in your chair, brace the midsection, and perform seated knee tucks for 20 reps. Follow with isometric glute squeezes while answering emails; no one will notice, but your posterior chain will. These micro‑bursts maintain spinal health, combat slouching, and cumulatively https://specificweightstrategies.com/