ankle clonus, foot clonus a series of abnormal reflex movements of the foot, induced by sudden dorsiflexion, causing alternate contraction and relaxation of the triceps surae muscle. wrist clonus spasmodic movement of the hand, induced by forcibly extending the hand at the wrist.oe clonus abnormal rhythmic contraction of the great toe, induced by sudden passive extension of its first phalanx. wrist clonus spasmodic contraction of the hand muscles, induced by forcibly extending the hand at the wrist.
Mountains are important to us because they're a huge factor in our ecosystem They provide diverse fauna and flora, recreational activities amazing features etc.It also helps people who live on lowland as it blocks wild weather. Mountains also contain minerals, water, wood and timber, everything you can name is there!he Andes mountains extend over seven countries Andes  Mountains, is one of the most important archaeological  centers in South America. The small tree Cinchona  pubescence â¦ , a source of quinine which is used to treat malaria,  is found widely in the Andes as far south as Bolivia.
*Reefs are very stable, and provide a protective barrier around many islands and coasts. Without the reefs these islands and coasts will erode away into the ocean. *It is important to protect the reefs we have today, because they can't be replaced. Reefs are formed very slowly by tiny animals called coral.Each animal is tinier than your pinky nail, and grows very slowly, only about 1 centimeter a year.hey are important to the biosphere because they provide a home for the animals and microscopic beings that inhabit the reefs. This is why we should work our hardest to suppor â¦ t and save the reefs. READING IS IMPORTANT.