Leg press
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Starting position

Select the seating position so that your buttocks and back are against the backrest.
The seat is adjusted so that when the feet are on the support, the legs are at right angles.
Procedure
Push the seat back by stretching your legs.
Do not bring the legs to full extension so that the leg muscles are under constant strain.
Then go back to the starting position without dropping the weight.
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Repetitions
The weight should be chosen so that 15-20 repetitions are possible without a feeling of exhaustion.
Alternative from everyday life
Sitting on a chair or in a wheelchair, fix a Theraband so that you can push the Theraband away from your body with the sole of your foot.