Let�s start off with a warm intro: a huuuuuge welcome to the Women�s Health Strength Transformation Challenge. Over 31 days of workouts, you can expect to see results in your core strength, cardio ability, lower-body power, and...arm definition thanks to this upper-body dumbbell workout. Fitness entrepreneurs (and mother-daughter duo!) Denise and Katie Austin are here to help guide proper form and seriously motivate ya. That�s right�the Women�s Health January/February 2024 cover stars will show exactly how you can start your fitness journey this year in a series of easy-to-follow videos. If you�re someone who�s always trying to up their upper-body strength�hi, pullups!�this workout is for you. The best part? It�s doable no matter your fitness skill level. Take it from Denise: �This workout is for you,� she says while leading the warm-up. �It doesn�t matter how old you are, what level of fitness you are.� Just make sure you choose the correct dumbbell weight for you, whether that�s 5 pounds or 15.