Fitness brought to you by Health and fitness news, techniques, and products. From yoga to gym work-outs. Hiking, Yoga & More: The Apple Watch Update for Athletes New workouts, activity challenges, pace-setting, and more – the upcoming Apple Watch update offers a suite of new features for active and outdoor users. First Look: NordicTrack’s iFit-Powered Smart Rower Row, row, row your iFit-enabled, workout-streaming home-gym boat. Kids’ Fitbit Completes Family Fitness Watch Package Fitbit fitness watches have encouraged adults to stay active. With the Ace, kids have a new way to play with the pack. Tiny Treadmill Targets Space-Crunched Runners Looking for a quick workout or way to keep moving at your standing desk? Treadly offers a new, lightweight solution. Desk to Trail: 3 PT-Approved Stretches How long till you can kill the screen, jump in the car, and hit the nearest trail for a post-work workout? Not so fast. Limber up with these physical therapist-recommended stretches. Race Day Gear You Can’t Forget on Your First Triathlon Remember these six budget-friendly items on race day to make your first triathlon as comfortable – and fast – as possible. Whole-Leaf Tea Might Be Your Next Hydration Boost Tea is an ancient beverage, but a new twist aims to bring it to your workout routine. ‘Ultimate Metric’: Strava Revamps Suffer Score With ‘Relative Effort’ Strava's new Relative Effort feature will provide premium users a score that compares any sport's workout intensity against any other, and provide fine-tuned training tips. All Fitness Coverage Tough Shoe for Tough Workouts: Altra HIIT XT Review Altra breaks into the fitness world with the HITT XT – a tough, stable, and comfortable cross-training shoe. We wore the Altra HIIT XT through two months of workouts (and counting) during our review. NordicTrack Does Dumbbells: Select-A-Weight Review Two dumbbells, 30 weight settings. NordicTrack takes a swing at the adjustable weight market with a design aimed at improving reliability and ease of use, while staying affordable. Today Is the Day You Give Up, According to Strava The fitness tracking app analyzed 31.5 million global activities to find when people are most likely to lose motivation after New Year's. Today, January 12, is the day when people waver in fitness regimes, according to Strava. But it also offers tips to stay resolved. Avoid Knee Injuries While Skiing: Tips to Keep You Healthy Changing snow conditions, weak legs, skiing above your ability—knee injuries are one of the most common traumas on the slope. Here are some tips to avoid knee injuries this winter. Outdoor Hazards: Sprained Ankle Don't let hidden trail hazards trip you up. Learn how to prevent and treat sprains and strains by following these steps. ‘Hottest’ Places to Play: Strava Launches Global Activity Heatmap See where people are logging the most miles running, swimming, biking, and generally getting their sweat on. Focus, Fathom, Flow: 3 Tips For ‘Mindful Running’ Find wonder in daily training, stay cool under pressure, and get in the zone. 'Mindful Running' offers insight into endurance sports. Best Sports Bras for Running, Hiking, and Everyday Wear From high impact sports bras to all day comfort bralettes and everything in between, we've found the best sports bras for active women. Five Memorable Shares From Strava’s First Billion Uploads Strava, the social fitness-sharing app, reached its one-billionth activity upload last week. We look back at some of the wildest accomplishments posted among its millions of users First Look: Thule ‘Chariot Cross’ Modular Stroller Built with compatibility for multiple outdoor sports, Thule evolves its Chariot line for 2017. The premium stroller allows multi-sport use, from running and cycling to skiing. Class Pass: A Gym Membership For The Noncommittal For those who want fitness classes with variety, Class Pass is a way to hit multiple gyms and save money. Are You Addicted To Exercise? Take This Quiz Is your exercise routine a healthy habit or a symptom of a potentially fatal disorder?