Many of the symptoms you describe are vague and could be due to a number of things including Provera. Some of the common side effects of this medication include weight gain, weak bones, headaches, fatigue, swelling. These symptoms could also be caused by a number of things such as thyroid problems.
Myofibrils are assembled of repeated structures called sarcomeres â the smallest functional unit of muscle fiber. Each sarcomere is formed of actin (called thin) and myosin (called thick) filaments arranged in a precise order and of protein complexes which support the filament structures.
Motor Unit. the nerve-muscle functional unit; consists of a motor neuron and all the muscle fibers it supplies; small motor units (more precise movement) [ex: fingers], larger motor units (less precise movement) [ex: hip muscles, bone].otor Unit. the nerve-muscle functional unit; consists of a motor neuron and all the muscle fibers it supplies; small motor units (more precise movement) [ex: fingers], larger motor units (less precise movement) [ex: hip muscles, bone].