Prosthetics for a Skater’s Hand: Challenges, Maintenance, and Realities

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Experts from the field of rehabilitation explain that crafting a hand prosthesis for a high‑level athlete often presents more obstacles than building a leg prosthesis. In a detailed briefing for the portal MSK1.RU, therapist Andrey Zvonkov outlined why hands require a different engineering approach compared to legs, especially for a skater of Roman Kostomarov’s caliber.

The expert emphasized that for a functional hand prosthesis, at least three fingers must work in close coordination—index, middle, and thumb. The hands demand nuanced responses to neural impulses, precise finger articulation, and the capability to perform delicate tasks. In contrast, prosthetic legs typically do not incorporate the same level of microelectronic control embedded in the limb, because the priority there is robust movement mechanics and reliable, durable materials rather than complex electronics.

According to Zvonkov, a significant challenge for Kostomarov lies in the maintenance and repair of prosthetic components. A hand prosthesis involves careful integration across two shins, one hand, and multiple fingers, creating a system that must work in harmony. Each component is subject to wear, and even slight malfunctions can disrupt daily activities and athletic routines alike. This interconnected design means that maintenance is not a one‑time event but an ongoing process requiring skilled technicians and parts that fit precisely.

Maintenance costs add another layer of consideration. Zvonkov noted that specialized equipment, software updates, parts, and regular servicing can amount to substantial expenses, often reaching hundreds of thousands of rubles over time. The reality is that the financial side of advanced prosthetics is a key factor for athletes who rely on performance without compromising safety or reliability. It is not all progress and promise; there are real, practical constraints that athletes must navigate in pursuit of high performance.

Nevertheless, the goal remains to create a prosthesis that feels indistinguishable from a natural hand. Earlier statements from the medical team suggested progress toward a device that would restore a natural appearance and functional capability, enabling Kostomarov to engage in a wide range of everyday activities with confidence. While the path to such a seamless result is complex, ongoing research and clinical experience continue to push toward systems that better mimic real hand movements while maintaining durability under rigorous use.

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