From: qinlqnkrxbpk on

Barbell rowing has long been considered the main movement for upper
back thickness. However, as with all things, variety is the spice of
life. Integrating a wide variety of back movements into your routine
will help to recruit different muscles in the back, as well as keep
the workouts interesting. Here is a rundown of some basic back
movements.
Dumbbell rows
These are a favorite because they really allow the trainer to isolate
the lat muscle on the side of the body doing the rowing. You can pull
the dumbbell up as far as you wish - the range of motion is nearly
unlimited. This movement is a staple in most bodybuilders' back
training.
Incline dumbbell rows
This movement is the same as dumbbell rows, except the trainer is
lying face down against an incline bench. This allows the body to stay
firm as the lats pull up the weight from a steeper angle, recruiting
different muscle fibers from standard dumbbell rows.
2 arm dumbbell rows
This movement eliminates some of the 'focus' factor of the movement,
as you are using both arms simultaneously. However it has its
benefits, as it allows the arms to be trained identically.
Occasionally, a trainer will favor one arm over another when training,
leading to muscle imbalances....

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