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.
Because mountain habitats can change quickly as elevations increase, they are often home to a greater diversity of plants and animals than nearby lowlands. On some mountains, especially at medium elevations in warmer latitudes, many species are endemic, meaning that they are found nowhere else in the world.ecuring mountain ecosystems within parks and other protected areas can help to preserve their valuable plants and animals for future generations. Protected areas have proved key to the preservation of some species, such as the mountain gorillas of the Virunga Mountains in the Democratic Republic of Congo.