Don't neglect to train the gluteus medius. Weakness in the gluteus medius can result in knee and back injuries. Weakness in the gluteus medius also contributes to instability when you walk, run and jump. In other words, you will avoid alot of injuries just by training the darn gluteus medius!
The gluteus medius is the main hip abductor. It moves your hip away from your body's midline.
According to Laura Presswood and colleagues from New Zealand, the following exercises are great for strengthening and conditioning the gluteus medius 1. Side lying leg lifts 2. Single-leg squats 3. Lunges 4. Cable or resistance band hip abductions 5. Balancing on one leg