Another option is, in addition to one's Yoga practice, to add in a simple arm weight routine 2 - 3 days per week for 20 minutes with free weights. (fitbodyhq.com)
After breakfast, I braved a two mile run and did arm weights with Meghan. (livehalffullblog.com)
I did the beginner for 4 months and now I can do Push ups - 3 sets of 15 Crunches - 3 sets of 30 Triceps dips - 3 sets of 25 Dumbbell Chest Presses (just started)- 2 sets of 20 Dumbbell Flyes (just started)-- 2 sets of 20 5KG WEIGHTS for biceps — 50 reps on each arm (evilcyber.com)