My father’s form of exercise was walking around our local park. He couldn’t do much else, he was frail with low energy. “At least he’s staying active,” my mother would say. But a few months later, he fell backwards, hitting his head on our sofa and breaking his thigh bone. My mother found him lying on the floor, too weak even to call for help. May insert picture. The ambulance took 4 hours to arrive – his fall wasn’t considered an emergency. After his operation, he looked h