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.
Adequate levels of muscular fitness lessen the chance of developing low back problems, osteoporotic fractures, and musculoskeletal injuries. Muscular strength is defined as the ability of a muscle group to develop maximal contractile force against a resistance in a single contraction.Muscular endurance is the ability of a muscle group to exert submaximal force for extended periods.dequate levels of muscular fitness lessen the chance of developing low back problems, osteoporotic fractures, and musculoskeletal injuries. Muscular strength is defined as the ability of a muscle group to develop maximal contractile force against a resistance in a single contraction.