November 13, 2013 11:42 am Orangetheory Fitness Focuses on Heart Rate Orangetheory Fitness is interval training with a twist, workouts focus on your heart rate to ensure effective fat burning. Orangetheory studios are opening around North Texas. Wake Up to Something Good 2:06 Advances in hearing aid technology 1:17 Momentous Institute offering free training to help navigate mental health crisis 0:40 Midlothian teen gets ‘NFL Draft' experience 2:11 New app helps dementia caregivers focus on their own health 2:19 Grandfather of seven shares how he survived a rare heart event