How to Build More Muscle Using Light Weights 👀🔥 To do this, you need to know the three parts of muscle contraction: ✅ The positive portion (concentric) ✅ Holding at the top (isometric) ✅ The negative portion (eccentric) If you’re limited on weights or want to progress with light weight… Just train all three parts of the contraction. So one way is to focus on the positive. You can also add an isometric hold at the top to intensify the movement without progressing the weight. Another way is to d