What specific training and conditioning exercises can help prevent common overuse injuries such as knee pain and lower back strain on a long road cycling trip, and how can these exercises be incorporated into a pre-trip training plan. Are there any particular stretches or strengthening exercises that target the muscles used in cycling, and how often should they be done in the weeks leading up to the trip. What role does bike fit play in preventing these types of injuries, and are there any adjustments that can be made to the bike to reduce the risk of injury. Are there any nutritional or hydration strategies that can help reduce muscle fatigue and inflammation on long rides.