He Has Backup

In many ways, gym partners are a good thing to have. They can spot you on the squat machine and bench press, and also provide motivation when the workouts start getting a little tough. But the father looks to be trying a partner of a different kind by bringing his daughter in a carrier.
Many people are of course motivated by their children to become better versions of themselves. So maybe having her with him is motivating him to push harder and go for even bigger results. He is also setting an early example for her, which will make her eager to work out.
