You have a weak knee and hence advised to stay away from anything vigorous that might hurt your knees and joints. You can go in for light walking, and swimming as well as climbing. But make sure that you do not indulge in the same.
Each one of our body is
different from the other in the sense that
our eating habits, exercising schedules vary. If you are
out there looking for a way to cut some flab then you need
to understand the five element theory as well. If you are a
water sign then your exercises should be built around water,
if an airy sign then you need to face the wind, if a fiery sign like an
Aries then you need to get heated up and if an earthy sign then
you need to connect to the earth. These are basic
techniques that help you to understand how exercising
shall be more beneficial for you...
