Clinical Study

The Effects of High-Intensity versus Low-Intensity Resistance Training on Leg Extensor Power and Recovery of Knee Function after ACL-Reconstruction

Table 4

Results self-reported data before surgery and 7 and 20 weeks after the ACL-reconstruction.

Presurgery7 weeks after surgery20 weeks after surgery
HRTLRTHRTLRTHRTLRT

Lysholm score70 (47–81) 63 (57–80) 60 (49–67) 62 (61–74) 80 (66–84) 80 (74–85)
Tegner score3 (2–5)2 (2–4)2 (2-2)2 (2-2)4 (2–5)3 (2–4)
KOOS
 Pain80 (64–94)81 (72–92)69 (63–75)75 (64–78)83 (65–93)81 (78–89)
 Symptoms89 (68–96)75 (64–89)64 (57–80)54 (46–64)86 (68–96)79 (68–89)
 ADL93 (78–96)89 (85–97)78 (73–88)85 (72–91)91 (83–98)93 (90–96)
 Sport/rec70 (43–75)70 (40–85)35 (20–40)35 (25–55)60 (43–73)55 (45–70)
 QOL44 (38–56)50 (38–50)44 (28–50)44 (38–56)50 (34–66)50 (44–63)

Results are presented as median and interquartile range.
HRT: high-intensity resistance training; LRT: low-intensity resistance training; KOOS: knee injury and osteoarthritis outcome score with subscales (0: extreme symptoms, 100: no symptoms): pain, other symptoms, ADL: function in daily living, sport/rec: function in sport and recreation, and QOL: knee-related quality of life.