Feeling stuck in your fitness journey? This 28-day challenge by a fitness coach focuses on simple daily habits to boost energy and build consistency.

I committed to the Women's Health 28-day workout challenge, 20-minute bodyweight and dumbbell workouts. I saw results with strength, muscles, and endurance.© Andi Breitowich / Jewelyn Butron ...

For the full 28-day transformation program including daily workout videos and guided walking podcasts — plus meal plans and inspiration — download the Start TODAY app!

This 28-day workout challenge will make you a stronger runner. All you need is 10 minutes a day.

For the full 28-day transformation program including daily workout videos and guided walking podcasts — plus meal plans and inspiration — download the Start TODAY app!

Your 28-Day Workout Challenge Game Plan The short bursts of intense dumbbell exercises and tight rest periods in each of the six challenge workouts create the perfect combo.

I committed to the Women's Health 28-day workout challenge, 20-minute bodyweight and dumbbell workouts. I saw results with strength, muscles, and endurance.

I committed to the Women's Health 28-day workout challenge, 20-minute bodyweight and dumbbell workouts. I saw results with strength, muscles, and endurance.

This 28-day workout program uses two routines to challenge guys who spend their gym time doing unfocused mirror muscle workouts with full-body training.

Men's Health 28-Day Belly Fat Burner Workout gives you the exact exercises that help you lose belly fat, why they work, and how to do them.

Here's what happened when our fitness editor tried Lily Sabri's 28-day fitness challenge.