Treadmills
Burning calories *****
When compared to other modes of aerobic exercise (when intensity and duration are equal), running is the absolute best exercise for burning calories! Since you are fully bearing your own weight in an upright position, all the major muscles of the body are engaged.
Body toning *****
Running tones the shoulders and arms, the legs, the postural muscles of the abs and back and, most importantly, the heart and the entire cardiovascular system.
Special Tip: When running on a treadmill, always increase the elevation to 1 or 2%. This will simulate natural running, which involves lifting the legs and propelling the body forward. Running on a treadmill with no incline only requires you to lift your legs and, therefore, can alter your natural running pattern.
Body aches **
If you suffer from any type of bone or joint pain it’s best to choose another mode of exercise. If you are a runner, be aware that increasing the duration, intensity and/or frequency too quickly can cause excessive stress on the bones and joints. Common running injuries include shin splints, stress fractures of the lower leg and foot and knee pain.
Best advice: Gradually increase your training—your bones need to adapt to the stress. Don’t forget about your stretching—before and after. And ice, ice, ice. I can’t stress enough how good ice is for treating aches and pains. Apply ice for 20 minutes after your workout.
Cross Trainers/Elliptical Machines
Burning calories ****
Elliptical machines are not quite as good as running at burning calories because momentum helps the body produce the movement. However, they still provide an excellent cardio workout because they involve most of the major muscles.
Special Tip: Keep your arms active; either hold onto the moving handles or swing your arms in a natural running style. This not only works the upper body, it also causes you to fight to keep your balance, which creates tension in the abdominal and lower back muscles.
Body aches *****
The fluid motion of these machines creates an almost stress-free environment for the bones and joints and the movement pattern simulates running more than any other form of cardio.