IMPINGEMENT SYNDROME 375 â¢ STRENGTHENING EXERCISES â¢ ImpingementSyndrome (Rotator Cuff Tendinitis, Bursitis)These are some of the initial exercises you may startyour rehabilitation program with until you see yourphysician, physical therapist, or athletic trainer againor until your symptoms are resolved.
First, a rock is composed of one or more minerals and sometimes mineraloids but do not have a crystal structure. A mineral is a chemical substance made up of one or more chemicals having a definite crystal structure. Rocks do not have a definite chemical composition whereas minerals do.
Rocks are the materials of which the crust of the earth is. made. They are mixtures of one or more minerals. Limestone is. made of the mineral calcite; dolomite rock is a mixture of the. minerals calcite and dolomite. Rocks have no fixed chemical com-. positions but minerals always do.