Walton and Nattrass first proposed limb-girdle muscular dystrophy (LGMD) as a nosological entity in 1954.Their definition included the following characteristics:, 20. Schematic of the sarcomere with labeled molecular components that are known to cause limb-girdle muscular dystrophy or myofibrillar myopathy. Mutations in actin and nebulin cause the congenital myopathy nemaline rod myopathy, and the mutations in myosin cause familial hypertrophic cardiomyopathy.
In Lean, Standard Work (often called standardized work) is the cornerstone of any continuous improvement effort. It locks in gains and provides a foundation for future advances. Standard Work helps companies reach their improvement targets, but also provides a stable, reasonable working environment for frontline employees.
Hours of Work and Breaks. Standard hours of work are 40 hours per week and 8 hours per day. In most cases, employees who work more than the standard hours they must be paid at the overtime wage rate. Employees are also entitled to an unpaid 30 minute break after 5 hours of consecutive work.