Many years ago when I first started strength training I followed the conventional wisdom that stated that you had to give yourself a day off between strength training sessions to 
let your body recover and become stronger. I was a man in a hurry, so I strength trained Monday, Wednesday, Friday, Sunday, Tuesday, Thursday and Saturday - repeat - and I never missed for five straight months.
For many, gyms end up being collection agencies disguised as gyms. They depend on people not sticking with their resolutions.
A recent study of older adults trying to lose weight compared those who dieted, those who just exercised, and those who dieted plus exercised. From this Science News article Older People Who Diet Without Exercising Lose Valuable Muscle Mass some findings:
· Exercise group drew more on fat stores as the source of their body’s fuel.
· Diet-only group’s weight loss resulted from a loss of both muscle and fat.
Thirty men with low-risk prostate cancer who opted not have to have conventional medical treatment agreed to be subjects of a study. They ate a diet rich in fruits, vegetables, whole grains, legumes and soy products, engaged in moderate exercise such as walking for half an hour a day, and practiced stress management methods such as meditation for a hour a day.
From this MSN article, 10 Foods That Build Bones, comes this list:
1. Alaskan King Crab 
2. Dried Plums
3. Bok Choy
4. Oysters
5. Bananas
6. Kiwis
7. Broccoli
8. Spinach
9. Leeks
10. Artichokes
There are plenty of good reasons to perform all types of exercise - stronger heart, bones, muscle, and better performance just to name a few – but exercising as way to lose weight might not be all it is cracked up to be. The New York Times article, The Scientist and the Stairmaster, makes the claim that exercise is not very effective in losing fat.
The highlights:
ach type of equipment has its advantages, and people will have their own personal preferences based on their objectives or limitations.
