Army Staff Sgt. Kayshawn Porterfield practices using a myoelectric prosthesis at Brooke Army Medical Center’s Center for the Intrepid, Fort Sam Houston, Texas, Feb. 21, 2019. A myoelectric-controlled prosthesis is an externally powered artificial limb that the user controls with electrical signals generated naturally with his own muscles.

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Keywords: archive, armed, army, bamc, brooke, center, cfi, defence, forces, intrepid, medical, military, reportage, servicemen, usa