What is the primary function of an orthotic device?

The primary function of an orthotic device is to support or correct the function of a limb or the torso. Orthotics are designed specifically to enhance the biomechanical function of the body, addressing issues such as misalignment, weakness, or deformity. They can help to redistribute pressure, stabilize joints, improve mobility, and alleviate pain by providing support where it’s needed.

In contrast, other options do not align with the definition and purpose of orthotic devices. Surgical tools are used in invasive procedures and do not serve to support or correct limb function. Cosmetic products focus on altering appearance rather than providing structural support or correction. Exercise equipment is aimed at rehabilitation but does not typically provide the same supportive and corrective benefits as orthotics do. Therefore, the correct answer underscores the essential role of orthotic devices in enhancing and correcting the function of the musculoskeletal system.