ArticleJournal of sports science & medicine2014
The Effect of Fatigue on Electromyographic Characteristics during Obstacle Crossing of Different Heights in Young Adults.
Article in Journal of sports science & medicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 13 citations in OpenAlex.
- Biomechanical differences in lower limb movements during lifting tasks before and after fatigue.Frontiers in bioengineering and biotechnology · 2025Article
- Effect of hyperthermia on simulated muscle activation in female when crossing obstacle.Scientific reports · 2024Article
- Modular organization of muscle activity patterns in the leading and trailing limbs during obstacle clearance in healthy adults.Experimental brain research · 2017Article
- Alterations of Muscle Activation Pattern in Stroke Survivors during Obstacle Crossing.Frontiers in neurology · 2017Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this study was to investigate the effect of fatigue on electromyographic (EMG) parameters of healthy young adults during obstacle crossing of two different heights. Twelve untrained male adults (23 ± 5 years of age) were fatigued running on a treadmill with increasing speed and inclination and walked over an obstacle with a height set at 10% and 20% of each individual's lower limb length. Maximal plantar flexor torque and EMG of the medial gastrocnemius, soleus, and tibialis anterior muscles of the trailing limb were assessed during obstacle crossing. Data were captured before, immediately after and 5 minutes after a fatigue session. Fatigue induced significant reduction on the plantar flexor torque output immediately after and 5 minutes after exhaustion. After fatigue gait speed was not affected, the minimum distance between the obstacle and the trailing or leading foot remained unchanged, and the trailing foot contacted the ground closer to the obstacle immediately after fatigue. Regarding the EMG, medial gastrocnemius became after fatigue more active during swing phase when increasing the obstacle height, whereas this was not the case before or 5 minutes after fatigue. No other significant difference was observed for any of the examined muscles. It is concluded that the assessed fatigue protocol induced only minimal changes in the EMG activity of the examined muscles during obstacle crossing. Therefore, it is suggested that the neuromuscular system of healthy young individuals is able to respond to the decreased force capacity after fatigue during obstacle crossing of heights up to the 20% of the limb length. Key PointsExhaustion after running on a treadmill induces significant reduction in plantar flexion strength and changes in the positioning of the feet relative to the obstacle during obstacle crossing.EMG activity of the calf muscles of the trailing limb does not change significantly after fatigue during the stance phaseDuring swing phase, medial gastrocnemius EMG activity of the trailing limb increases after fatigue when obstacle height increases.These minor changes in EMG after fatigue, reveals that untrained, healthy, young subjects may compensate the deficit in muscular force due to fatigue when performing obstacle crossing.
Indexed as
Identifiers
25435762PMC4234939W2403704168What OpenQuestion holds
Registered trials
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