Mark Frame, an orthopedic surgical trainee at RHSC, first came up with the idea to create the osteo-facsimiles after a costly university-made replica, commissioned for a procedure, failed to meet necessary proportion and size requirements.

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Competitors shoot from the prone position at a paper or plastic target on a wooden frame, with a round, black aiming mark on a white background.

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"These athletes have such a tight time frame to get the mind ready to compete again, " said Mark Verstegen, the founder of Athletes' Performance, the Arizona-based company that trains Olympians and works closely with the Chinese Olympic team.

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"I think changing a picture's frame is an ownership thing, a territorial way to put your mark on a painting, " says Eli Wilner, a New York dealer widely credited with raising the American frame market's consciousness (not to mention prices).

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