At what body fat percentage do six-pack abs show?

Should I do more reps or weight for six-pack abs to show?

What is the Extensor Carpi Radialis Longus?

What is the Superior Gemellus?

What is the Abductor Pollicis Longus?

How hard is it to get six-pack abs to show?

What is the Extensor Indicis?

Do skinny guys have V lines?

What is the Extensor Carpi Radialis Brevis?

What is the Extensor Carpi Ulnaris?