Don't we all want our arms to look great? A couple of specific bicep training videos:  So - some impressive biceps there. But remember that the larger muscle in the upper are is the tricep! Of course, there are loads of variations on arm exercises, especially useful are dips. But back to the pix:  

No - not nostalgia. Just well-developed backs, to provide some encouragement not to neglect "the back view" when training. Lats to the fore! A few training tips too.