Rip talks about how other fitness programs want you to focus on aesthetics and training muscle groups. Machines cannot produce enough systemic stress for growth. 

Performance-based training works better for aesthetics than training separate muscle groups on machines. The body works as a system of levers powered by contractile motors, “muscles.” None of the muscles function in isolation from the others. 

01:44 Comments from the Haters!
13:12 Starting Strength and aesthetics
20:13 We aren’t bodybuilders, but the body gets built
25:23 How to get bigger muscles
31:12 Machines and barbells are not the same
39:24 Getting bigger muscles is a side effect of getting strong
47:12 Machines can’t make you gain weight
52:14 People that train with machines 
56:34 Your health

Starting Strength Radio

Aesthetics vs Performance | Starting Strength Radio #214

Starting Strength is the bestselling book on the most fundamental and effective approach to strength training ever written. Mark Rippetoe hosts Starting Strength Radio where he discusses topics of interest, primarily to him, but perhaps also to you.