Upload
seri
View
215
Download
0
Embed Size (px)
DESCRIPTION
CAPTER7: ERGONOMICS
Citation preview
MUSCULOSKELETAL DISORDERS (MSDs)
MASALAH OTOT RANGKA
• Musculoskeletal injuries are defined as any disorders of muscles, tendons, ligament, nerves, joints and spinal disc.
STAGES OF MSDs DISABILITY
(ketidakupayaan dan
kecacatan)
DISORDER, INJURY, DISEASES
(kecederaan dan penyakit)
PRONOUNCED SYMPTOMS
(simptom-simptom yang nyata)
PERFORMANCE AFFECTING SORENESS ACHES AND PAINS
(kesakitan yang mengganggu pergerakan)
OCCASIONAL NUMB PROBLEMS, SMALL ACHES
(pergerakan yang terbatas)
FATIQUE, DISCOMFORT
(kelesuan dan ketidakselesaan)
EXAMPLE OF MSDs
TENDINITIS
• Tendon connecting tissues between muscle and bones is overwork and stress beyond limit
CARPAL TUNNEL
SYNDROME
• Among workers at perform repeat task
CHRONIC LOW BACK
PAIN • Back injury
MSDs
SYMPTOMS OF MSDs
MSDs NUMBNESS
TIGHTNESS
TINGLING
SWELLING
PAIN
STIFFNESS
REDNESS
RISK FACTORS
REPETITION
FORCE
AWKWARD POSTURE
CONTACT STRESS
VIBRATION
STATIC POSTURE