You can now easily shop in multiple currencies, view your order total (including shipping fees, customs tariffs and taxes) at checkout and be assured the total is guaranteed at the exchange rate set when order is placed, with no additional payment required upon delivery of your order.ou can now easily shop in multiple currencies, view your order total (including shipping fees, customs tariffs and taxes) at checkout and be assured the total is guaranteed at the exchange rate set when order is placed, with no additional payment required upon delivery of your order.
Muscle weakness, or myasthenia, is a decrease in strength in one or more muscles. It is a common symptom of muscular, neurological and metabolic disorders. Muscular diseases, such as muscular dystrophy and dermatomyositis (disorder characterized by muscle inflammation), are common causes of muscle weakness.
In some cases, muscle weakness can be a sign of something very serious like a stroke. If you experience any of the following symptoms, call 911 immediately. 1  Any sudden onset of muscle weakness, such as being unable to move an arm or leg, or problems walking, standing, or sitting upright.