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Illustration of the 3 pretensioning conditions utilized in the porcine model before suture anchor fixation. (A) Suture anchor insertion under slight tension using 5 N of preload during the entire process. (B) Suture anchor insertion with no initial tension on the suture—the suture is just slightly in contact with the bone at the aperture. (C) Suture anchor insertion with slack in the suture tape (constant slack ensured by use of the clamp).
