If you’re looking to target flabby legs and arms but struggle to find time for long workouts, this 10-minute challenge is a great solution. By combining compound movements like split squats and glute bridges with upper body exercises such as hammer curls and skull crushers, you engage multiple muscle groups efficiently, which can boost fat burning and muscle toning. I’ve found that using progressively heavier dumbbells each round not only increases the burn but also helps build strength over time. The split squat challenges your legs and glutes while the hammer curl adds resistance for your biceps, making it a perfect combo for dual muscle group engagement. Following it with glute bridges paired with skull crushers strengthens your posterior chain and arms simultaneously. Doing four rounds within 10 minutes keeps the workout intense but manageable, perfect for busy days or to add as a supplement to your regular fitness routine. For best results, consistency is key—try incorporating this challenge 3-4 times a week. Also, minimal equipment is needed—just two dumbbells—so you can easily do this at home without gym access. Remember to maintain proper form to avoid injury: keep your chest up and shoulders back during split squats, and support your elbows close to your body during skull crushers. Along with this workout, balancing your diet and staying hydrated will enhance fat loss and muscle definition. If you want guided support, consider joining short-term fat loss challenges that include similar quick, effective workouts done in under 20 minutes. This approach fits well into daily schedules while delivering visible results. Overall, this simple but challenging routine provides a practical and actionable way to reduce flabbiness in your legs and arms and improve your overall muscle tone and fitness level.