What are good moring work outs?

Is there any work outs, types of runs, or sports that can boost my staminaa,

is running up and down stairs a good work out? if so, how many should I do a day?

Preferably with as little or compact of equipment as possible. And no exercise bike... I can't use them because of my knees.

What are good work out videos for yoga, pilates, aerobics, etc.? Is there a specific trainer and or brand that's good?

What are some good home work-outs ? any good routines? EXAMPLE) 20sit-ups 10 jumping jacks ...

What do diets really do? Are they really good for you? Do you really keep the wait off? What are the better diets? Would it j...

I do loadsss of sit ups everyday because im trying to get a flat stomach, do sit ups help at all to get a flatter stomach? ho...

so I am 14 5'8 (tall) 149 (squishy) I would like to know some good ways to work out that help you loose weight fast. I would...

I on the carb diet and I plan on excersising I just want a good work out.

I cant afford going to my gym anymore and im just thinking of doing some of those cardio/body sulpting videos... But I don't ...