Tricep extensions and bicep curls are classic arm-building exercises ... "Lean back, use your leg as a fulcrum—now you'll see ...

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Electromyographic (EMG) activity of the lateral (biceps femoris – BF ... 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 ...

For example, the elbow flexes when performing a biceps curl ... the femur (upper leg) moves forwards, which happens when long jumpers land or at the end of kick in football. Extension of the ...