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Arthrodesis of the First Metatarsophalangeal Joint: A Robotic Cadaver Study of the Dorsiflexion Angle by Ahmad F. Bayomy, Patrick M. Aubin, Bruce J. Sangeorzan,

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Presentation on theme: "Arthrodesis of the First Metatarsophalangeal Joint: A Robotic Cadaver Study of the Dorsiflexion Angle by Ahmad F. Bayomy, Patrick M. Aubin, Bruce J. Sangeorzan,"— Presentation transcript:

1 Arthrodesis of the First Metatarsophalangeal Joint: A Robotic Cadaver Study of the Dorsiflexion Angle by Ahmad F. Bayomy, Patrick M. Aubin, Bruce J. Sangeorzan, and William R. Ledoux J Bone Joint Surg Am Volume 92(8):1754-1764 July 21, 2010 ©2010 by The Journal of Bone and Joint Surgery, Inc.

2 Medial view of the arthrodesis model (top) and exemplary dorsiflexion angle measurement on the radiograph (bottom). Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

3 Foot specimen in loading apparatus for radiographic studies. Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

4 Representation of the robotic gait simulator with surrounding frame (A), R2000 motors (B in inset), force plate (C), cadaver foot (D), mobile platform (E in main image and inset), tibial mounting frame (F), tendon actuation system (G), and motion analysis s... Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

5 Medial view of a representative cadaver foot during dynamic gait simulation. Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

6 Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

7 Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

8 Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

9 Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

10 In vivo (thick green curve) and in vitro vertical ground- reaction force curves. Ahmad F. Bayomy et al. J Bone Joint Surg Am 2010;92:1754-1764 ©2010 by The Journal of Bone and Joint Surgery, Inc.

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