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  • Peter Johnson posted an update in the group Group logo of Mental Toughness - Get Unbeatable!Mental Toughness – Get Unbeatable! 3 years ago

    How does everyone keep their feet on the deck when doing sit-ups? My lower back is a weak point, and I find my feet come up off the ground after 4 reps. If I have something to hook my feet under something I can do more.