I think I remember seeing previous people wear these. They are trackers of sort so the trainers can see what they are doing for the week. They measure calorie burn etc. The info can be uploaded into a computer for viewing. Contestants are still required to keep a food log as well.
I looked around and found out it's a little gadget called a Body Bugg.
BODYBUGG :: HOW IT WORKS
Hope this helps
~Carrie
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"I'm not where I need to be, but THANK GOD I am not where I used to be! I'm OK, and I'm on my way!"
~Joyce Meyer~
Starting weight: (214 lbs)
Current weight: (188.3 lbs)
Total loss: (25.7 lbs gone)
Left to lose for goal 1: (48.4 lbs)
Left to lose for final goal: (68.3 lbs)
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