Mechanical handling of loads is the practice carried out by workers during putting, lifting, holding, moving, pushing or pulling a load. Mechanical handling of loads affect the health of workers and can cause musculoskeletal system disorders, e.g. low back pain because the extra strain is experienced by body muscles and bones and the natural resonant frequency of lumbar spine .
1.Bulging Disc: A bulging disc is a condition in which the nucleus (inner portion) of a spinal disc remains contained within the annulus fibrosus (outer portion), unlike a herniated disc in which the nucleus leaks out of the disc. Symptoms include: Numbness Weakness, Tingling Muscle spasms or cramping, These will depend on the region of the spine where nerve compression occurred 2. Herniated Disc: A herniated disc is .