Nicole Radziszewski

Strengthen your knees with these two moves.

This full-body explosive workout focuses on speed and power to drive up your heart rate, boost your metabolism, and add a little pep to your step.

Unleash your power with this self-defense-inspired workout designed to build strength and boost your confidence.

Our expert clarifies the different medical conditions and shares advice for treatment.

Our expert answers your fitness question on parlance used in the weight room.

Use these moves to strengthen your gluteus medius and minimus and create stability in your hips.

How should you fuel before your a.m. fitness session? Our expert has some tips.

Power up your legs, core, and back before heading out on your next hike.

Ramp up your fitness with these quick interval routines.

Practical advice on how to dress for your next chilly-weather workout.

Perk up your posture with these two easy exercises.

Boost your balance, power, and coordination — at any age — with this full-body strength-training workout.

Build strength and explosive power at the same time with this double-duty workout.

Built around full-body primal movements, this challenging workout maximizes strength, burns fat, and amplifies athleticism.

Are there healthy alternatives to commercial gels and chews?

2 exercises to improve your shoulder mobility.

Should I temper my workouts now that I’m pregnant?

Expert, Roy Benson, MPE, answers your question.

In short, yes – but here’s why.

Yours Qs answered about fitness tracker usage.