Knee Extensor Muscle Strength Is More Important Than Postural Balance for Stair-Climbing Ability in Elderly Patients with Severe Knee Osteoarthritis

Casaña, José; Calatayud, Joaquín; Silvestre, Antonio; Sánchez-Frutos, José; Andersen, Lars L.; Jakobsen, Markus Due; Ezzatvar, Yasmín; Alakhdar, Yasser

doi:10.3390/ijerph18073637

Cited by 10 publications

(12 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In older adults, hip and ankle joint movements are reduced during walking leading to reduced peak ankle moments and power generation [ 13 ]. Knee osteoarthropathy (OA) is a major disease that causes knee joint contracture, joint stiffness, and decrease in knee extensor muscle strength [ 14 , 15 ]. Ground reaction force (GRF) during walking and muscle forces affect the external load on the knee [ 16 ], increasing mechanical stress on the knee in patients with knee OA.…”

Section: Introductionmentioning

confidence: 99%

Immediate Effect of Restricted Knee Extension on Ground Reaction Force and Trunk Acceleration during Walking

Osaka

Fujita

Kobara

et al. 2021

Rehabilitation Research and Practice

View full text Add to dashboard Cite

Gait parameters calculated from trunk acceleration reflect the features of gait; however, they cannot evaluate the gait pattern corresponding to the gait cycle. This study is aimed at investigating the differences in gait parameters calculated from trunk acceleration during gait corresponding to the gait cycle in healthy subjects with restricted knee extension. Participants included eight healthy volunteers who walked normally (NW) and with knee orthosis that restricted knee extension (ER). The ground reaction force (GRF), joint angles, and trunk acceleration during walking were measured using four force plates, a three-dimensional motion analysis system, and an inertial measurement unit. The peak GRF of the vertical components, joint ranges of motion, and moments of force were analyzed. The root mean square (RMS) and amplitude peak ratio (AR) of autocorrelation function were calculated from the trunk acceleration waveform. The first peak GRF and peak ankle dorsiflexion angles significantly increased during ER. The peak hip extension, knee flexion, knee extension angles, and the peak moment of knee extension significantly decreased during ER compared to that during NW. The acceleration AR significantly decreased during ER compared to that during NW. There was no significant difference in the RMS between the two conditions. The acceleration AR may show the temporal postural structure with restricted knee extension from the terminal stance phase for the ipsilateral limb to the initial stance phase for the contralateral limb. These results suggest that novel metrics for accelerometry gait analysis can reveal gait abnormalities, with restricted knee extension corresponding to the gait cycle.

show abstract

Section: Introductionmentioning

confidence: 99%

Immediate Effect of Restricted Knee Extension on Ground Reaction Force and Trunk Acceleration during Walking

Osaka

Fujita

Kobara

et al. 2021

Rehabilitation Research and Practice

View full text Add to dashboard Cite

show abstract

“…At the lower-limb level, there would be a relationship between ankle or knee extensor muscles strength and postural balance in healthy and pathological (e.g., cerebral palsy or stroke patients) older subjects (Horlings et al, 2008;Melzer et al, 2009;Orr, 2010;Forte et al, 2014;Gomes et al, 2015;Han and Yang, 2015;Svoboda et al, 2019;Jensen et al, 2020;Mentiplay et al, 2020;Uysal et al, 2020;Yoshizawa et al, 2020;Casaña et al, 2021;Tavakkoli Oskouei et al, 2021). The level of strength produced by these muscles may reduce or amplify the risk of falling in older subjects (Horlings et al, 2008;Scott et al, 2014).…”

Section: Fundamental Role Of Antigravity Musclesmentioning

confidence: 99%

“…Under standard and static postural balance conditions, the relationship between lower-limb muscle strength and postural balance can be reliably established (Paillard, 2017b;Casaña et al, 2021). However, under ecologic and dynamic conditions, this relationship is no longer observed (Paillard, 2017b).…”

Section: Motor Output Of Antigravity Muscles In Ecological Conditionmentioning

confidence: 99%

“…This improved motor function should be a priority in frail older subjects prone to falls. This hypothesis is based on the fact that it has already been shown in physically diminished old subjects with knee osteoarthrisis that there is a relationship between domestic tasks such as stair-climbing ability and the maximal knee extensor strength while there is no relationship between stair-climbing ability and postural balance (Casaña et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Methods and Strategies for Reconditioning Motor Output and Postural Balance in Frail Older Subjects Prone to Falls

Paillard

2021

Front. Physiol.

View full text Add to dashboard Cite

In frail older subjects, the motor output of the antigravity muscles is fundamental in resisting falls. These muscles undergo accelerated involutions when they are inactive and the risk of falling increases during leisure and domestic physical activity. In order to reduce their risk of falling, frail older subjects limit their physical activities/exercises. The problem is that the less they exercise, the less they are able to exercise and the greater the risk in exercising. Hence, a vicious circle sets up and the antigravity muscles inevitably continue to deteriorate. This vicious circle must be broken by starting a reconditioning program based on developing the strength of antigravity muscles (especially lower-limb muscles). To begin with, for each increase in muscle strength, postural balance is improved. Once this increase reaches the threshold beyond which postural balance no longer improves, it seems appropriate to implement exercises aimed at concomitantly improving motor output and postural balance in order to counteract or even reverse the involution process of the postural balance system. Methods and strategies toward this end are proposed in this present communication. However, the transfer effects between strength increase and postural balance ability are not yet totally known and future research should evaluate the relationship between muscle strength and postural balance throughout rehabilitation programs (i.e., program follow-ups) in frail older subjects in order to advance knowledge of this relationship.

show abstract

“…Knee extensors play an essential role in human mobility [1]. In fact, knee extensors are crucial for activities of daily living (ADL), such as climbing stairs [2], standing up from a chair [3]; and play a fundamental role in many sports, such as volleyball [4], cycling, and basketball [5]. As with every muscle, the knee extensors need continuous training to maintain their strength.…”

Section: Introductionmentioning

confidence: 99%

Development of a Non-Contacting Muscular Activity Measurement System for Evaluating Knee Extensors Training in Real-Time

Liu

Cosentino

et al. 2022

Sensors

View full text Add to dashboard Cite

To give people more specific information on the quality of their daily motion, it is necessary to continuously measure muscular activity during everyday occupations in an easy way. The traditional methods to measure muscle activity using a combination of surface electromyography (sEMG) sensors and optical motion capture system are expensive and not suitable for non-technical users and unstructured environment. For this reason, in our group we are researching methods to estimate leg muscle activity using non-contact wearable sensors, improving ease of movement and system usability. In a previous study, we developed a method to estimate muscle activity via only a single inertial measurement unit (IMU) on the shank. In this study, we describe a method to estimate muscle activity during walking via two IMU sensors, using an original sensing system and specifically developed estimation algorithms based on ANN techniques. The muscle activity estimation results, estimated by the proposed algorithm after optimization, showed a relatively high estimation accuracy with a correlation efficient of R2 = 0.48 and a standard deviation STD = 0.10, with a total system average delay of 192 ms. As the average interval between different gait phases in human gait is 250–1000 ms, a 192 ms delay is still acceptable for daily walking requirements. For this reason, compared with the previous study, the newly proposed system presents a higher accuracy and is better suitable for real-time leg muscle activity estimation during walking.

show abstract

Knee Extensor Muscle Strength Is More Important Than Postural Balance for Stair-Climbing Ability in Elderly Patients with Severe Knee Osteoarthritis

Cited by 10 publications

References 39 publications

Immediate Effect of Restricted Knee Extension on Ground Reaction Force and Trunk Acceleration during Walking

Immediate Effect of Restricted Knee Extension on Ground Reaction Force and Trunk Acceleration during Walking

Methods and Strategies for Reconditioning Motor Output and Postural Balance in Frail Older Subjects Prone to Falls

Development of a Non-Contacting Muscular Activity Measurement System for Evaluating Knee Extensors Training in Real-Time

Contact Info

Product

Resources

About