Muscle co-contraction in elderly people change due to postural stability during single-leg standing

Y Iwamoto, M Takahashi, K Shinkoda - Journal of physiological …, 2017 - Springer
Background Muscle co-contraction is the simultaneous contraction of agonist and antagonist
muscles crossing a joint, and it increases with age. This study primarily aimed to clarify the …

Differences of muscle co-contraction of the ankle joint between young and elderly adults during dynamic postural control at different speeds

Y Iwamoto, M Takahashi, K Shinkoda - Journal of physiological …, 2017 - Springer
Background Agonist and antagonist muscle co-contractions during motor tasks are greater
in the elderly than in young adults. During normal walking, muscle co-contraction increases …

Ankle muscle co-contractions during quiet standing are associated with decreased postural steadiness in the elderly

AH Vette, DG Sayenko, M Jones, MO Abe, K Nakazawa… - Gait & posture, 2017 - Elsevier
It has been reported that the elderly use co-contraction of the tibialis anterior (TA) and
plantarflexor muscles for longer duration during quiet standing than the young. However, the …

Different ankle muscle coordination patterns and co-activation during quiet stance between young adults and seniors do not change after a bout of high intensity …

L Donath, E Kurz, R Roth, L Zahner, O Faude - BMC geriatrics, 2015 - Springer
Background Available evidence suggests that young adults and seniors use different
strategies to adjust for increasing body sway during quiet standing. Altered antagonist …

The involvement of ankle muscles in maintaining balance in the upright posture is higher in elderly fallers

T Cattagni, G Scaglioni, D Laroche, V Grémeaux… - Experimental …, 2016 - Elsevier
The purpose of this study was to determine whether the mechanical contribution of ankle
muscles in the upright stance differed among young adults (YA)(n= 10, age:~ 24.3), elderly …

Age-related relative increases in electromyography activity and torque according to the maximal capacity during upright standing

M Billot, EM Simoneau, J Van Hoecke… - European journal of …, 2010 - Springer
The aim of this study was to assess the relative torque (a percentage of the maximal capacity
of torque production) at the ankle joint in young and elderly adults during different postural …

Age-related differences in motor coordination during simultaneous leg flexion and finger extension: influence of temporal pressure

T Hussein, E Yiou, J Larue - PLoS One, 2013 - journals.plos.org
Although the effect of temporal pressure on spatio-temporal aspects of motor coordination
and posture is well established in young adults, there is a clear lack of data on elderly …

Differences in muscle coactivation during postural control between healthy older and young adults

K Nagai, M Yamada, K Uemura, Y Yamada… - Archives of gerontology …, 2011 - Elsevier
The purpose of this study was to clarify the difference in muscle coactivation during postural
control between older and young adults and to identify the characteristics of postural control …

Relationship between muscular strength and deflection characteristics of the center of foot pressure during landing after crossover stepping in the elderly

Y Takeuchi, Y Shimomura, K Iwanaga… - Journal of physiological …, 2009 - jstage.jst.go.jp
This study aimed to investigate the relationship between the muscular strength of the lower
extremity in a load side and the characteristics of center of foot pressure (COP) during …

Muscular performances at the ankle joint in young and elderly men

E Simoneau, A Martin… - The Journals of …, 2005 - academic.oup.com
The effect of aging on mechanical and electromyographic characteristics of ankle joint
muscles was investigated in 11 young (mean age 24 years) and 12 elderly (mean age 77 …