These are multi-factorial diseases, but with a strong occupational component.
The first problem is the relatively vague definition. It is a group of pathologies that may seem very different from each other: neck pain, back pain, shoulder and elbow tendonitis, carpal tunnel syndrome.
If the general principle of an MSD is this inadequacy between physical capacities and efforts provided, MSDs are fundamentally multi-factorial diseases where several types of factors intervene: mechanical factors, psychological factors, individual factors
There are several solutions for managing MSDs: a diagnostic approach, a search for the factors that contribute to them, and a treatment.