Incorporating variable stiffness mechanisms has enhanced their performance by enabling adjustments in gripping force and structural rigidity. However, many existing designs primarily focus on ...

But you don't need to spend hours stretching out to work out how to loosen stiff joints, a simple 10-minute routine will do. Even a 10-minute stretching routine like this one can help loosen stiff ...

This letter introduces a quasi-passive variable stiffness ankle ... does not require high-power actuators but instead relies on a clutch and elastic component to mimic the interaction between muscles ...