Shank Muscle Strength Training Changes Foot Behaviour during a Sudden Ankle Supination

The peroneal muscles are the most effective lateral stabilisers whose tension braces the ankle joint complex against excessive supination. The purpose of this study was to identify the morphological and biomechanical effects of two machine-based shank muscle training methods. Twenty-two healthy male...

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Bibliographic Details
Published in:PloS one 2015-06, Vol.10 (6), p.e0130290-e0130290
Main Authors: Hagen, Marco, Lescher, Stephanie, Gerhardt, Andreas, Lahner, Matthias, Felber, Stephan, Hennig, Ewald M
Format: Article
Language:English
Subjects:
Adult
Ankle
Ankle - physiology
Ankle Joint - physiology
Biomechanics
Feet
Foot - physiology
High resistance
Humans
Inversions
Laboratories
Male
Morphology
Muscle strength
Muscle Strength - physiology
Muscle, Skeletal - physiology
Muscles
Muscular strength
Physical training
Reinforcement (structures)
Resistance Training
Sports injuries
Sports training
Strength training
Supination - physiology
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Summary:The peroneal muscles are the most effective lateral stabilisers whose tension braces the ankle joint complex against excessive supination. The purpose of this study was to identify the morphological and biomechanical effects of two machine-based shank muscle training methods. Twenty-two healthy male recreationally active sports students performed ten weeks of single-set high resistance strength training with 3 training sessions per week. The subjects conducted subtalar pronator/supinator muscle training (ST) with the right leg by using a custom-made apparatus; the left foot muscles were exercised with machine-based talocrural plantar and dorsiflexor training (TT). Muscle strength (MVIC), muscle volume and foot biomechanics (rearfoot motion, ground reaction forces, muscle reaction times) during a sudden ankle supination were recorded before and after the intervention. Compared to TT, ST resulted in significantly higher pronator (14% vs. 8%, P
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0130290