Nice work, eadriver45,
I feel that your quick poses for your muscular men are on the right track, and I feel that I could give you an honest critique. You know, when it comes to your muscle men, you worry too much about the contours. Why don't you please do 89 minutes of 60 second male pose, and/or any pose warm-ups?
The reason why you could do this suggestion is because, if you're looking for that confident and bold line your talking about, then I say, 'go for it.' It's OK if those 1 minute poses don't look like nothing, because, they'll be here to completely loosen you up and lighten up your line quality. Keep up the good work, and I hope you've found this helpful, informative, and encouraging.