Join Erika for an intense Peripheral Heart Action (PHA) strength training workout that alternates between upper and lower body exercises with no breaks in between, creating an elevated cardio experience while building strength. This efficient training method shunts blood between muscle groups to keep your heart rate up throughout the entire session. You'll complete two full rounds of compound movements, finishing with core work and a relaxing stretch sequence. Equipment needed: Two sets of dumbbells (one medium weight, one heavy weight)