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More Shoulder Rehabilitation Information. Clavicle Fracture Rehab Exercise Program: The pendulum exercise is one of the standard daily exercises often recommended in rehab for a clavicle fracture (broken collarbone). This is a common sports injury that often happens in a fall by a cyclist or in other activities.
A pendulum is a string or stick with a weight or bob on the end. The pendulum follows the law of falling objects[ âan invisible force, gravity, pulls the pendulum toward Earth. The period of time it takes. a pendulum to complete one full swing is simply called the period. Three variables affect the period: the length of the pendulum, the. size of the arc it makes, and the mass of the bob. In this activity, youâll discover what happens if you change one or more of the. variables.