if you're worried about your knees just start low-geared like people suggested and adjust as needed from there - just remember if you have any pains that ligaments take longer to heal than muscle tissue, so even after your muscles stop hurting its a good idea to take it easy for a while...
if you're worried about your knees just start low-geared like people suggested and adjust as needed from there - just remember if you have any pains that ligaments take longer to heal than muscle tissue, so even after your muscles stop hurting its a good idea to take it easy for a while...