100 rep challenge question....


Hi Cathe -
I love the 100 rep challenge. I notice that you do the 100 rep challenge on small muscles only (upper body).. such as tri's, bi's, lateral raises, and rotator cuff. Does that mean one should not do a chest press, chest flys etc??? Could you do 100 rep challenges on any exercise? Also, can you use the bands to do any? My example would be rotator cuff where you hold your arms at a 90 degree angle , elbow into the rib cage and go in and out.

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