It turned out that need special tricks to use the leg extension machine so that we can lean thighs. By setting the correct sitting position when using the tool, the dream can come true taut thighs like lightning.
This was proven in a study of 20 people who practice using quadriceps muscle brace with 8 times repetition. From this study found, respondents who set the chair upright position has a back injury risk is lower. Plus, your thigh muscles become stronger. And the result is inversely proportional to the volunteers who set the position of their seats with a larger angle.
"Therefore, adjust the seat position at an angle of 90 degrees, so that the thigh muscles 'locked', and we exercise more satisfactory results," said Joseph F. Signorile, an assistant researcher from the University of Miami.