how do i get a "cobra" shaped back

[JabSandwich]

rowing machine

[Jesus el Rey]

if someone could tell me the exact muscle or group of muscles that it's called that would be great

[black.ink]

if someone could tell me the exact muscle or group of muscles that it's called that would be great

They're known as lats, or to give its full name, the Latissimus dorsi.

[tomhead69]

which pull ups should you do
wide grip or close grip

[Jesus el Rey]

They're known as lats, or to give its full name, the Latissimus dorsi.

thanks man

[black.ink]

which pull ups should you do
wide grip or close grip

Wide grip is usually known as a pull up, with the palms facing away from you. I would think the 'pull-up' is the most effective form to increase size to the lats.

The close grip form is a 'chin-up', with your palms facing towards you. This form tends to be stronger on the biceps though because of the mecahnics of the elbow movement. The problem with this, is that people tend to lift with the bicep, rather then the lat, which takes pressure off the lats giving it less of a workout.

Start with the wide grip 'pull up', but remember to lift through the elbows, and not your biceps. Check videos on youtube for tutorials, and ways of adapting techniques.