When it comes to training, the anterior, or front, deltoid muscle gets almost all the attention, while the medial and posterior deltoids get the cold shoulder.
A pinched nerve in the shoulder occurs when a nearby structure irritates or presses on a nerve coming from the neck. This can lead to shoulder pain and numbness of the arm and hand.
Pain is essential for survival. However, it could also slow rehabilitation, or could become a distinct disorder. How strongly we feel it depends on our individual pain threshold. Scientists have discovered that this threshold can be increased by a new fitness method called Jymmin. It combines working out on gym machines with free musical improvisation -- and makes us less sensitive towards physical discomfort