This will require a partner to help apply the resistance. These exercises will also strengthen the ankle, protecting from ankle sprains. Shoulder strength is important as well. Forcing power lay-ups through a defender trying to block your shot is a common situation a player always wants to win. Also, arms are often overhead or outstretched, which makes your shoulder vulnerable for dislocation.
Standard shoulder exercises with dumbbells are good.
However, do not forget to include internal and external rotation. These will help tighten the rotator cuff. Making your low back and abdomen stronger helps prevent low back spasms, but most importantly allows the rest of your body to tolerate heavier weights as you get stronger. No matter how good a strength and conditioning program they follow, most athletes will succumb to injury at some point in their career. McVan suggests some additional ways to prevent and care for injuries.