Heart-rate-zone interval franchise founded in Fort Lauderdale in 2010, Orangetheory Fitness operates its San Diego–Hillcrest studio at 2665 Fifth Avenue Suite 101 in 92103 on the cusp of Bankers Hill. Coached classes split between treadmill blocks, rower intervals, and a weight-floor strength circuit tracked in real time through OTbeat chest straps displayed on studio screens, a telemetry-driven format that overlaps directly with the performance-metrics coaching used at Sweat Society Fitness. The target is twelve or more minutes in the orange and red heart-rate zones per session to drive the post-workout afterburn effect the brand markets as EPOC. Live online classes extend the same telemetry format to members training from home. Repetitive rowing and incline-treadmill blocks generate the kind of spinal loading that pairs naturally with ongoing adjustment care at Acru Health: Precision Chiropractic for members attending four or more sessions a week. The longest and most demanding format on the schedule is the 90-minute Orange 3G class, which adds a third block of interval work for athletes training for endurance events beyond standard 60-minute capacity.