Crossfit is one of the best work out program for those who wants to improve their muscular endurance and even for cardiopulmonary endurance.
You set off your goal every time and achieve it.
However, as you use quick burst of energy for crossfit, you are exposed to joint stability injuries.
Ultimately it could cause inflamation on joints.
Statistically, more men got injury than women. shoulders, lower back, knees came out to be the area that people get injury the most.
Again, crossfit is a great work out program that attracts people for reaching higher goal. So it has higher risk of getting injury than other work out.