Mobility training is a fitness trend that has been gaining popularity. This trend is here to stay as it is supported and recognized by research as an important component to fitness. Interestingly, mobility training is not a new concept, but has recently been gaining traction on social media. Many fitness influencers on social media are promoting different mobility exercises and routines, and some personal trainers focus solely on mobility training as their niche. But what is mobility training, and why is it important?