Erratum to: Knee Surg Sports Traumatol Arthrosc DOI 10.1007/s00167-006-0246-z
Unfortunately, Figs. 2 and 3 were published without the explanations of the P values. Therefore, both figures and legends are given here again with the explanations included.
Quadriceps muscle ratio (reconstructed knee/asymptomatic knee) (mean and CI) preoperative at 3, 5 and 7 months follow-up for the P4, P12, H4 and H12 groups
Hamstring muscle ratio (reconstructed knee/asymptomatic knee) (mean and CI) preoperative at 3, 5 and 7 months follow-up for the P4, P12, H4 and H12 groups
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The online version of the original article can be found at http://dx.doi.org/10.1007/s00167-006-0246-z.
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Heijne, A., Werner, S. Early versus late start of open kinetic chain quadriceps exercises after ACL reconstruction with patellar tendon or hamstring grafts: a prospective randomized outcome study. Knee Surg Sports Traumatol Arthrosc 15, 472–473 (2007). https://doi.org/10.1007/s00167-007-0313-0
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DOI: https://doi.org/10.1007/s00167-007-0313-0