Abstract:
CONTEXT:During sport activity, knee proprioception might worsen. This decrease in proprioceptive acuity negatively influences motor control and therefore may increase injury risk. Hiking is a common activity characterized by a higher-intensity-exercise phase during uphill walking and a lower-intensity-exercise phase during downhill walking. Pain and injuries are reported in hiking, especially during the downhill phase. OBJECTIVE:To examine the effect of a hiking-fatigue protocol on joint-position sense. DESIGN:Repeated measures. SETTING:University research laboratory. PARTICIPANTS:24 nonprofessional sportswomen without knee injuries. MAIN OUTCOME MEASURES:Joint-position sense was tested at the beginning, after 30 min uphill walking, and after 30 min downhill walking on a treadmill (continuous protocol). RESULTS:After downhill walking, joint-position sense was significantly worse than in the test at the beginning (P = .035, α = .05). After uphill walking, no differences were observed in comparison with the test at the beginning (P = .172, α = .05) or the test after downhill walking (P = .165, α = .05). CONCLUSION:Downhill walking causes impairment in knee-joint-position sense. Considering these results, injury-prevention protocols for hiking should focus on maintaining and improving knee proprioception during the descending phase.
journal_name
J Sport Rehabiljournal_title
Journal of sport rehabilitationauthors
Bottoni G,Heinrich D,Kofler P,Hasler M,Nachbauer Wdoi
10.1123/jsr.2014-0192subject
Has Abstractpub_date
2015-11-01 00:00:00pages
349-52issue
4eissn
1056-6716issn
1543-3072pii
2014-0192journal_volume
24pub_type
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