Deltoid Abduction of the shoulder (moving the arm outwards and away from the body) Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to ...

The human body ... (gastrocnemius) muscle, in response to repeated trauma. Armbars and ankle locks are also rapid ways to ...

Oh, and the top exercises to create an effective resistance band arm workout ... in the Journal of Human Kinetics. They’re pretty much guaranteed to light up every muscle in your arms—biceps ...

Wikipedia says “The uncanny valley hypothesis predicts that an entity appearing almost human will risk eliciting ... of the Artificial Muscles Robotic Arm are fairly quiet about how it works ...