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In occupational safety and health, hand arm vibrations (HAVs) are a specific type of occupational hazard which can lead to hand–arm vibration syndrome (HAVS). HAVS, also known as vibration white finger ( VWF ) or dead finger , [ 1 ] is a secondary form of Raynaud's syndrome , an industrial injury triggered by continuous use of vibrating hand ...
At around 10 mA, AC current passing through the arm of a 68-kilogram (150 lb) human can cause powerful muscle contractions; the victim is unable to voluntarily control muscles and cannot release an electrified object. [19] This is known as the "let go threshold" and is a criterion for shock hazard in electrical regulations.
Muscle weakness is a lack of muscle strength. Its causes are many and can be divided into conditions that have either true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy.
Back pain. When your back aches and there’s no obvious cause (like lifting heavy boxes or falling), inflammation could be the root cause. Inflammatory back pain tends to come on gradually and ...
Just breathing deeply for a few minutes (or even meditating), taking a walk during your lunch break, or a hot bath after work can help rejuvenate your body and mind. 6. You’re not sleeping well
Again, pain alone is often acute and not something to be too concerned about, unless it is greatly impacting your day-to-day life, is becoming more chronic or is associated with other symptoms ...
The pain has an abrupt onset and may occur in a femoral or sciatic distribution. Weakness may develop concurrently with pain or be delayed for as long as 3 weeks. [2] Furthermore, a monomeric form of spinal muscular atrophy, affecting only one leg or arm, should be considered when progressive weakness is not accompanied by sensory loss. [1]
The results may range from pain in the joints where the bubbles form to blockage of an artery(air bubble) [4] leading to damage to the fatigue, joint and muscle pain, clouded thinking, numbness, weakness, paralysis, rash, poor muscle coordination or balance, paralysis or death. While bubbles can form anywhere in the body, DCS is most frequently ...