You need less weight and will probably find balancing more difficult which forces your calves to work harder.
Smith machine standing calf raise.
It is usually performed for moderate to high reps such as 8 12 reps per set or more as part of the lower body portion of a workout.
The smith machine standing calf raise is a machine based exercise targeting the muscles of the calves particularly the gastrocnemius or upper calf muscle.
How to do it on a smith machine.
The main difference between these calf raises and those done on a calf machine is that the resistance is directly over your calves rather than transferred through a lever.
How to do smith machine reverse calf raise.
First make sure to place a block or weight plate below the bar on the smith machine.
To get started stand in a comfortable position with your feet slightly apart then place the smith machine bar over your shoulder.
Then set the bar to the position that best fits your height.
With knees bent rest the balls of your feet on the platform while keeping your toes off the platform and pointing forward.
Stand on a platform underneath a smith machine so that the barbell is positioned behind your shoulders and slightly below your neck.