There\'s no real \'trick\' to sculpting muscle, any more than there are tricks to painting an apple v. painting an orange. Other than physically being able to do the work, the real key is merely observation, so in the case of musculature just hunt for references and try to copy what you see - anatomy books (in rough order of how useful I think they\'ll be: Burne Hogarth; Bammes; Bridgman; Civardi; Rubins; Loomis and last but not least, Bruno Lucchesi for doing it in 3D), bodybuilding mags, existing sculpted work.
For minis obviously there\'s a lot of compression and exaggeration typically, so that\'ll need some application on your part to get right if you\'re using any of the realistic references.
Einion