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Medicina is published by MDPI from Volume 54 Issue 1 (2018). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Lithuanian Medical Association, Lithuanian University of Health Sciences, and Vilnius University.
Open AccessArticle

Impact of intensive and traditional rehabilitation on quadriceps strength after anterior cruciate ligament reconstructive surgery

1
Laboratory of Human Motorics, Lithuanian Academy of Physical Education
2
Clinic of Orthopedics and Traumatology
3
Clinic of Rehabilitation, Kaunas University of Medicine, Lithuania
*
Author to whom correspondence should be addressed.
Medicina 2007, 43(1), 51; https://doi.org/10.3390/medicina43010007
Received: 11 April 2006 / Accepted: 18 December 2006 / Published: 23 December 2006
After knee anterior cruciate ligament reconstructive surgery, the recovery of the former level of physical activity takes from 3 to 12 months. Such a wide range of recovery period of physical activity suggests that rehabilitation in most cases is not optimal. According to the majority of authors, after the surgery, a patient can resume intensive physical activity, when the difference in muscle strength between the operated lower extremity and another extremity is not greater than 10–15%. The aim of this study was to compare the impact of intensive and normal rehabilitations on the recovery of knee extensor muscle strength after the surgery.
Material and methods.
A total of 40 patients were enrolled in this study. The subjects were divided into two groups. Both groups were engaged in physical activity. The mean age of patients (16 men and 4 women) in the first group at the time of surgery was 26.4±8.1 years, mean height – 179.8±8.5 cm, and mean weight – 76.0±14.0 kg. An intensive rehabilitation was applied for the first group of the patients studied. The second group consisted of 13 men and 7 women who were engaged in moderate physical activity. Their mean age at the time of surgery was 27.0±9.3 years, mean height – 173.2±6.2 cm, and mean weight – 71.0±9.0 kg. A traditional rehabilitation was applied to this group. Muscle strength was measured in the patients of both groups studied approximately 5.2 months following surgery using the Biodex isokinetic dynamometer.
Results
. The patients undergoing an intensive rehabilitation achieved higher levels of knee extensor muscle strength than those patients undergoing a traditional rehabilitation program. Applying an aggressive rehabilitation program, knee extensor muscles recover more quickly than using a traditional rehabilitation program. The comparison of intensive and traditional rehabilitation programs applied to the operated and unoperated lower extremities has shown that the indexes of knee extensor muscle strength differed by 11.51– 12.74%. Applying a traditional rehabilitation, a 23.68–49.42% difference in knee flexor muscle strength between operated and unoperated extremities was noted.
Conclusions. The effect of intensive rehabilitation aimed at strength recovery of knee extensor muscles after anterior cruciate ligament reconstructive surgery is greater than after ordinary rehabilitation.
Keywords: muscle strength; anterior cruciate ligament; intensive rehabilitation; isokinetic dynamometer muscle strength; anterior cruciate ligament; intensive rehabilitation; isokinetic dynamometer
MDPI and ACS Style

Streckis, V.; Skurvydas, A.; Zachovajevas, P.; Gudas, R.; Lukšaitė, J.; Trumpickas, V. Impact of intensive and traditional rehabilitation on quadriceps strength after anterior cruciate ligament reconstructive surgery. Medicina 2007, 43, 51.

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