Arms and Bust (inaccurately named because you can develop the chest muscles with exercise, but not the bust) is three different 10- minute beginning level, upper-body-toning workouts that increase muscle endurance. You'll need dumbbells, and although Austin says you can use "soup cans" if you don't use weights, you won't gain much strength.
Workout 1, done standing, targets the biceps, triceps, and shoulders. Workout 2, done seated, targets the shoulders (she says that one exercise is for the upper back, but the position targets the shoulder muscles instead), biceps, triceps, and back. Workout 3, done standing and sometimes moving, targets the chest (using pushups), biceps, shoulders, triceps, and upper back.
All three of these workouts repeat an essential error: Austin does exercises that she claims target the chest, but because they are done standing, gravity puts the load on the shoulders, so they'll tire way before the chest gets any benefits. As an exercise physiologist, Austin should know that.
This video promotes muscle endurance more than strength, because some sets last 25 or even 60 repetitions, so you can't use weights as heavy as you could with shorter sets. --Joan Price
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