The Alternate Leg Extension is aimed at isolation of femoral quadriceps muscles. It stands out for:

seat with gas-assisted height adjustment;
physiological load curve with levers system;
independent levers for mono lateral or bilateral exercise;
adjustable thrust rollers;
spring counterbalance to reset the empty weight of the exercise levers;
regulation of the starting angle;
grips for an easy movement start.

Optional
6 additional weight holders.