It is contagious and caused by viruses and bacteria. A disorder that affects muscle and soft tissue characterized by chronic muscle pain, tenderness, fatigue and sleep disturbances.

Pull-ups are a basic but super effective exercise for your upper back, especially your latissimus dorsi. To do a pull-up, ...

To allow antagonistic pairs to work efficiently, other muscles called fixators assist by supporting and stabilising the joint and the rest of the body. The trapezius muscle can act as a fixator ...