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Early versus late start of open kinetic chain quadriceps exercises after ACL reconstruction with patellar tendon or hamstring grafts: a prospective randomized outcome study

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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.
Fig. 2

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

Fig. 3

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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© Springer-Verlag 2007

Authors and Affiliations

  1. 1.Section of Orthopaedics and Sports Medicine, Department of Molecular Medicine and SurgeryKarolinska InstitutetStockholmSweden
  2. 2.Capio Artro Clinic, Stockholm Sports Trauma Research CenterKarolinska InstitutetStockholmSweden

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