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01.09.2016 | Knee | Ausgabe 11/2017

Knee Surgery, Sports Traumatology, Arthroscopy 11/2017

The effects of a 3-month controlled hiking programme on the functional abilities of patients following total knee arthroplasty: a prospective, randomized trial

Zeitschrift:
Knee Surgery, Sports Traumatology, Arthroscopy > Ausgabe 11/2017
Autoren:
Caroline Hepperger, Peter Gföller, Christian Hoser, Hanno Ulmer, Felix Fischer, Wolfgang Schobersberger, Christian Fink

Abstract

Purpose and hypothesis

Improvements in pain, function and sports activity are the main goals of patients following total knee arthroplasty (TKA). Participation in sports has become an increasingly important contributor to patients’ quality of life (QoL). Hiking is one of the most popular summer activities among elderly people in alpine regions. Consequently, this randomized controlled trial investigates the impact of a 3-month guided hiking programme on patients’ functional abilities and QoL following TKA. It was hypothesized that patients who participate in this programme would demonstrate improvements in functional and QoL parameters compared with a control group.

Methods

Forty-eight TKA patients were included and randomized into either the intervention group (IG; n = 25) or the control group (CG; n = 23). The IG participated in a 3-month hiking programme (2–3 times a week), whereas the CG performed activities of daily living. The stair climb test (SCT), QoL questionnaires and isokinetic force measurements were completed at three time points (i.e. pre-test, post-test, retention-test). ANOVAs for repeated measurements were conducted for the SCT results. The Friedman test and the Mann–Whitney U test were performed for the QoL parameters.

Results

After the 3-month hiking programme, the IG achieved faster overall walking times on the SCT. The time decreased from 4.3 ± 0.6 s (pre-test) to 3.6 ± 0.4 s (post-test) for the stair ascent (p = 0.060) and from 3.6 ± 0.6 s (pre-test) to 3.2 ± 0.5 s (post-test) for the stair descent (p = 0.036). The IG showed significant improvement on some of the subscales of the Knee Injury and Osteoarthritis Outcome Score from pre-test to retention-test (p < 0.01). In the CG, no significant changes were observed (n.s.).

Conclusions

The results indicate moderate improvement in the functional abilities and QoL of TKA patients who participated in a 3-month guided hiking programme compared with the patients in the CG. Hiking did not have any acute detrimental effects on the TKA patients during this study period.

Level of evidence

II.

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