Jen Sinkler

Improve your Turkish get-up technique — while boosting strength, endurance, and fluidity — with these three moves.

Short on speed? Lacking endurance? You may have trained those limitations into your system. With some muscle know-how, you can train ’em out.

Jen Sinkler, fitness editor, asks the experts if resistance training causes inflexibility, if drinking will derail workout efforts, if chiropractic care can improve fitness and how to exercise with adrenal fatigue.

Fitness buff Jen Sinkler tests her limits — at a mountaintop meditation retreat for beginners.

Fitness editor Jen Sinkler asks the experts how to avoid building thick “traps,” shed injury-related pounds, minimize joint pain, and get in some non-running sprints.

Fitness editor Jen Sinkler asks the experts what counts as a refined carb, if housework qualifies as exercise, how to break a fitness slump, and how to heal abdominal separation.

Fitness editor Jen Sinkler asks the experts if saunas can help lose weight, why Achille’s tendons get sore, how many exercise sets and reps to do, and how to deal with lopsided injuries.

Fitness editor Jen Sinkler asks the experts when to eat after exercising, how often to change up a workout routine, how to look fresh after a workout and how to cure “computer neck.”

Fitness editor Jen Sinkler asks the experts about multivitamins boosting workout results, if agility ladders live up to their name, if lifting weights can make you sleepy, and tips for lower-back pain.