These five advanced arm workouts are designed to challenge and transform your biceps ... Hold a dumbbell in each hand with a ...

How does a robotic arm or a prosthetic hand learn a complex task like grasping and rotating a ball? Researchers address the classic 'nature versus nurture' question. The research demonstrates that the ...

Slowly bring your arms down, bringing your hands behind your back as they reach ... there are ways to increase the challenge and get even more out of your weightless workout, says Chakoian.