Aim of the study: The aim of this study was to analyse pain occurring in double bass players within the upper limb and spine. Materials and methods: Two groups were compared depending on the length of time the instrument was played and the anatomical structures that were subjected to the greatest loads were considered. A group of 50 musicians of different ages from 17 to 31 years old ... https://allfixelectricales.shop/product-category/dryer-belt-break-switch/