Questions

The International Bill of Human Rights has been further supplemented by various other international treaties, conventions and declarations. They are usually regarded as “human rights instruments”. The important among them are as follows....

•Convention on the Elimination of All Forms of Discrimination Against Women (1979)

•Declaration on the Right to Development (1986)

•Convention on the Rights of Persons with Disabilities (2006).

Muscle cramping is a common problem encountered by athletes and non athletes alike. Defined as painful involuntary skeletal muscle contractions, cramps may be categorized as either non exercise related or exercise related. Traditionally, such cramping was believed to arise from dehydration, electrolyte imbalances (including magnesium, potassium and sodium),accumulation of lactic acid, or low cellular energy levels.

The given sentence is grammatically correct and there is no error.