Yes. Any exercise is better than no exercise.
There are lots of exercises you can do at home! Running around your neighborhood or on a treadmill, lifting hand weights, doing yoga exercises, dancing to music, or riding a bike (stationary or non stationary) are good ways of getting exercise at home.
Although gardening is a good thing to do, it does not contribute much as an exercise and is not as good for exercise as running. It is better, however, than sitting on a couch watching television.
a stationary exercise bike
because you use alot of muscles when running
Exercise as a rule is good, and bike riding is a fairly mild exercise form - but you need to consult your doctor.
A good running exercise for someone that is already in good shape is running up and down stairs. This is an exercise that can be done in a small amount of time, and have a really great impact on your body.
Running is good cardiac exercise, it helps keep your heart pumping and moving. It will make you feel very good and active for cardiac needs .
Running is cardio, and cardio is very good exercise. Celebs now a days do this a lot. Running can burn 500-1000 calories but other exercises are good to do also.
There are countlesss types of indoor exercise equipment. A good option could be a stepper. It is small enough to fit under the couch but helps in toning the marvelous muscles.
Bicycle riding- even on a stationary bicycle - will offer a good, low impact cardio workout. As long as the boredom doesn't kill you, and as long it does get you decently sweaty and winded, it will be a good exercise. Or at least better than not doing it.
A treadmill is an exercise device that mimics walking and running on either a flat surface or at an incline. An elliptical trainer is a device that also mimics walking or running but your feet are stationary on pedals.
Cross Country is amazing for exercise and I also have a good time while running.