7 Most Effective Exercises Slideshow

Here's nice link from Webmd.com:

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These exercises deliver results, given that one pays close attention to form.

1. Walking - No equipment necessary. Start at 5 to 10 minutes then increase it to 30 minutes per session. Increase your speed and level of incline as you go about challenging yourself.

2. Interval Training - It always challenges your body if you vary the intensity of your activity. Push the tempo for a minute then simmer down between 2 to 10 minutes.

3. Squats - Works on multiple muscle groups at the same time (gluts, quads, and hamstrings).

4. Lunges - Also works out multiple muscle groups like squats, plus it helps improve balance.

5. Push-ups - Strengthens the shoulders, chest. core muscles, and triceps.

6.  Abdominal crunches - Strengthens your core muscles.

7.  Bent-over Rows - Benefits the lower, mid, and upper back.