All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Ask a physical ...
You deserve a better ab workout than crunches. Strength training can help you build an athletic core. Equipment like a slam ball or medicine balls provides a more dynamic workout for gains. Stability ...
Ask a physical therapist how you can subtly level up your workouts, and they’ll probably recommend trying the best BOSU balls (and other types of balance trainers). If you’re unfamiliar, BOSU stands ...
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