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- Title
Slackline training and neuromuscular performance in seniors: A randomized controlled trial.
- Authors
Donath, L.; Roth, R.; Zahner, L.; Faude, O.
- Abstract
Slackline training (balancing on nylon ribbons) has been shown to improve neuromuscular performance in children and adults. Comparable studies in seniors are lacking. Thus, 32 seniors were randomly assigned [strata: age, gender, physical activity ( PA)] to an intervention [ INT; n = 16, age: 65 ± 4 years, PA: 9 ± 5 h/week] or control [ CON, n = 16, age: 63 ± 4 years, PA: 8 ± 4 h/week] group. Slackline training was given for 6 weeks (3 times per week, attendance 97%). Static and slackline standing balance performance, force development, and maximal strength of the ankle muscles were assessed before and after slackline training. Muscle activity (lower limb and trunk) was recorded during balance testing. Moderate to large group × time interactions (0.02 < P < 0.04, 0.11 < ηp2 < 0.17) in favor of INT were found for slackline standing times ( INT: left, +278%, P = 0.02; right, +328%, P = 0.03; tandem, +94%, P = 0.007) and muscle activity during single-limb slackline standing [ INT: right: rectus abdominis ( RA), P = 0.003, −15%; multifidus ( MF), P = 0.01, −15%; left: tibialis anterior ( TIB), P = 0.03, −12%; soleus ( SOL), P = 0.006, −18%; RA, P = 0.04, −11%; MF, P = 0.01, −16%; gastrocnemius medialis ( GM), P = 0.02, −19%]. Static balance performance, ankle strength, and power were not affected. Slackline training induced large task-specific improvements of slackline standing performance accompanied with reductions of lower limb and trunk muscle activity. Transfer effects to static balance and strength measures seem limited.
- Subjects
ANALYSIS of covariance; ANALYSIS of variance; ANKLE; CONFIDENCE intervals; ELECTROMYOGRAPHY; POSTURAL balance; LEG; MUSCLE contraction; MUSCLE strength; NEUROPHYSIOLOGY; HEALTH outcome assessment; PROBABILITY theory; QUALITY of life; QUESTIONNAIRES; STATISTICS; THERAPEUTICS; TORQUE; STATISTICAL power analysis; DATA analysis; EFFECT sizes (Statistics); NEUROMUSCULAR system; RANDOMIZED controlled trials; REPEATED measures design; DATA analysis software; DESCRIPTIVE statistics; DORSIFLEXION; PLANTARFLEXION; OLD age
- Publication
Scandinavian Journal of Medicine & Science in Sports, 2016, Vol 26, Issue 3, p275
- ISSN
0905-7188
- Publication type
Article
- DOI
10.1111/sms.12423