I don't know what your mom is talking about but I felt the burn all the way around in every muscle. Did she even do the workout? I don't think you can tell just by watching it what muscles it's working. You have to try it to know.
I was trying to find a good arm strength training routine and fell on this video. Asked my Mother to view it and give me her professional opinion on it, she is an Occupational Therapist and knows a lot about the muscles in the upper body. In her opinion the majority of the exercises addressed only the biceps and deltoids and only about 25% addressed the triceps thus creating an imbalance in the arm. My Mother has a real issue with this video's exercises because someone only following this video she can foresee them creating an imbalance in their arms and also obtaining elbow contractures due to over strengthening of the biceps. In her opinion the biceps are naturally strong and do not need to be strengthen as much as the triceps need to be.
I'm going to continue to look through Spark Videos to find a proper ratio of arm strengthening exercises, or I just might use this video with tweaks offered by my Mother so I am working more of my triceps vs biceps.
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