Denise Austin, 67, shared a “low-impact,” “#FitOver50” workout video. In the video, Austin demonstrates a jumping jack alternative. The “half jack” is an effective move that is “easy on your body,” ...

Denise Austin just shared a core exercise on Instagram. The 67-year-old demonstrated a “great exercise that you can do standing up” to “tone and tighten” the abs. The standing crunch variation is ...