Ultimate Testo Explosion Avoid wrapping your thumb as you do lat pulldowns or pull-ups during your workout routine. It is much better to keep your thumb next to your index finger. Not wrapping your thumbs enables you to isolate the lat muscles instead of involving the muscles in your arm. This will be a little hard to get used to, but in the end it will pay off by targeting the right muscles.

Read More >>> http://www.healthbuzzer.com/ultimate-testo-explosion/