Certain embodiments herein relate to a device, system, and method for improving fitness posture. In one embodiment, a system for improving fitness posture can be provided. The system can include at least one memory to store computer-executable instructions and a processor configured to access the at least one memory and execute the computer-executable instructions. The instructions may be configured to receive, from one or more sensors, exercise information associated with the movement of a user while performing an exercise. The instruction can be further configured to determine if the user is performing the exercise correctly based at least in part on the exercise information. The instructions can be further configured to generate one or more messages to provide feedback to the user about improving the users posture and performance of the exercise. The instructions can be further configured to transmit the messages to a user device associated with the user.
