115x Filetype PPT File size 1.24 MB Source: www.dli.pa.gov
Topics • Sprains and strains – what are they? • Causes • Difference between sprains and strains • Common types • How and where they occur • Signs, symptoms, treatment • Ways to prevent PPT-053-01 2 What are Sprains & Strains? • Sprains and strains are two types of MSDs, or musculoskeletal disorders • MSD’s are injuries or disorders of the: o muscles, nerves, tendons, joints, cartilage, and o supporting structures of the upper and lower limbs, neck and lower back that are caused, precipitated, or exacerbated by sudden exertion or prolonged exposure to physical factors (e.g. force, repetition, vibration or awkward posture) - CDC/NIOSH PPT-053-01 3 Causes of Sprains & Strains? • They are caused by excessive reaching, bending, lifting, gripping, squatting, or twisting of hands, shoulders or body • Caused by any work performed with high force, with many repetitions, or in an awkward position PPT-053-01 4 Causes of Sprains & Strains? • A sprain is a stretch or tear of a ligament (band of fibrous tissue that connects two or more bones at a joint); stretched too far from normal position • One or more ligaments may be injured at the same time • Most common: - sprained ankle PPT-053-01 5 What’s the Difference? • A strain is an injury to a muscle or tendon (thick, tough fibrous cord of tissue that connects a muscle to a bone) • Can be as simple as overstretching a muscle or tendon, or it can be a partial or complete tear • Most common: strained back PPT-053-01 6
no reviews yet
Please Login to review.