Unfamiliar exercise activities can also cause muscle spasms to occur. Abdominal spasms can occur when a person decides to begin working their abdominal muscles by doing sit-ups and does too many too quickly. Writer's cramps of the hand and fingers are similarly caused by prolonged use of the small muscles in the hand.It is commonly thought that dehydration and depletion of electrolytes will lead to muscle spasm and cramping.here may also be associated muscle cramps. Leg spasms are often seen related to exercise, but cramps may also be seen at night involving calf and toe muscles. Nocturnal leg cramps and restless legs syndrome are considered a type of sleep disturbance.
Clastic sedimentary rocks are those that are composed of cemented particles of other rocks. Examples are conglomerate, breccia, sandstone, and shale.
Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock. A clast is a fragment of geological detritus, chunks and smaller grains of rock broken off other rocks by physical weathering.Geologists use the term clastic with reference to sedimentary rocks as well as to particles in sediment transport whether in suspension or as bed load, and in sediment deposits.ock fragments also occur in the composition of siliciclastic sedimentary rocks and are responsible for about 10 - 15 percent of the composition of sandstone.