The leg extension machine looks similar to a leg curl machine, only the roller pad is positioned lower to target the quads. It is an effective way to work the quads, which support the knee joint ...
In contrast, the supine leg curl and hip extension specifically targeted the BF over the ST (Δ 20–23%, p<0.05) at very high levels of normalised EMG (75–87% of MVC). Conclusion Specific therapeutic ...