Core Envy: HIIT & Cardio Workouts

Allison Westfahl’s Core Envy program will help you lose weight, tone and sculpt your abs, and build a strong, sexy core you’ll love showing off. Core Envy solves the problems traditional weight-loss and abs programs ignore with HIIT cardio workouts, functional core sculpting exercises, and a smart diet overhaul.

This Core Envy video series features exercise physiologist and personal trainer Allison Westfahl as she shares her Core Envy program with you free for one week. Watch the Introduction to get started!

See more about Core Envy: A 3-Step Guide to a Strong, Sexy Core at


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