✅ What About Wall Sit? (Benefits Explained) The wall sit is one of the simplest but most powerful lower-body isometric exercises. You sit against a wall like you’re in an invisible chair — and your legs do all the work. 🔥 Major Benefits of Wall Sit 1️⃣ Burns fat in thighs & legs Holding the position increases muscle tension, which boosts calorie burn and tightens the lower body. 2️⃣ Strengthens quads, glutes & hamstrings Targets the entire lower-body chain for stronger legs and better endurance