Causes of Throat clearing: The following medical conditions are some of the possible causes of Throat clearing. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Habitual throat clearing. 2  Dry throat - see also causes of dry throat.  Anxiety.
Spinning can enhance cardiovascular fitness, and improve muscle tone and exercise endurance. Spinning works various muscle groups, including the quadriceps, hamstrings, calves, hips, and abdominal muscles.
In fact, spinning bikes angle your body in such a way so as to take most of your weight off the knees, while encouraging muscle-building and toning up. The motions engaged when you drive the pedals downwards also provide quite a bit of toning up in the hamstrings as well.