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.
secretion The force of muscle contraction is controlled by multiple motor unit summation or recruitment. true The muscle cell membrane is called the _____. sarcolemma What is the functional unit of a skeletal muscle called? sarcomere The end of the muscle that typically moves when a muscle contracts is called the _____.