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.
The Geosphere is important because it defines much of the environment we live in, controls the distribution of minerals, rocks and soils and generates natural hazards that shape the land and impact humans.