Safety, feasibility, and efficacy of an eccentric exercise intervention in people with multiple sclerosis with ankle contractures

Journal article

Psarakis, Michael, Lord, Stephen R. and Hoang, Phu D.. (2021). Safety, feasibility, and efficacy of an eccentric exercise intervention in people with multiple sclerosis with ankle contractures. International Journal of MS Care. 23(1), pp. 31-36. https://doi.org/10.7224/1537-2073.2019-022
AuthorsPsarakis, Michael, Lord, Stephen R. and Hoang, Phu D.
Abstract

Background:
The primary aim of this study was to investigate the safety and feasibility of an eccentric exercise program for people with multiple sclerosis (MS) who have ankle contractures, ie, reduced ankle range of motion (ROM). Secondary aims were to explore the efficacy of this eccentric exercise on ankle joint ROM and functional mobility.

Methods:
Five adults with MS with ankle contractures (three women and two men; mean ± SD age, 50.8 ± 9.4; MS duration, 7.6 ± 5.6 years) completed two eccentric exercise training sessions (10–45 minutes) per week for 12 weeks. The training involved walking backward downhill on an inclined treadmill (gradient, 10°–14°) at a self-selected pace. The intervention was assessed for safety (adverse events), feasibility (recruitment rates, adherence rates, enjoyment levels, difficulty, and discomfort), and clinical outcomes, including passive/active ankle ROM and distance walked in 6 minutes.

Results:
There were no adverse events during or after the eccentric exercise training. There was a 100% adherence rate. All participants enjoyed the training and experienced low levels of muscle soreness/discomfort. The training program improved passive/active ankle ROM in all participants; however, improvements did not translate to improvements in walking for all participants.

Conclusions:
Walking backward and downhill is a safe and feasible training modality for people with MS with ankle contractures. Clinical outcomes (greater passive/active ankle ROM) after this eccentric exercise training were evident. However, translation to clinically meaningful changes in walking function requires further examination.

Keywordsankle contracture; eccentric exercise; multiple sclerosis (MS); range of motion
Year2021
JournalInternational Journal of MS Care
Journal citation23 (1), pp. 31-36
PublisherDelaware Media Group
ISSN1537-2073
Digital Object Identifier (DOI)https://doi.org/10.7224/1537-2073.2019-022
Scopus EID2-s2.0-85102389291
Research or scholarlyResearch
Page range31-36
FunderNational Health and Medical Research Council (NHMRC)
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Online2021
Publication process dates
Deposited06 Sep 2021
Grant IDNHMRC/1055084
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