strength training

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Workout class with woman in black squatting with weights
Mind Body Project, Chelsea
three people working out using TRX
Spark at Method3 Fitness, San Jose
Gym with people working out
Total Body Conditioning at Red Dot Fitness, San Jose
woman working out in a room full of other women working out
Total Body Training at Studiomix, SF
Interval Training at EPIC Interval Training
workout room featuring new workout equipment called the Flexline technology machine
Flex Circuit at WheelHouse, SF