Local knee heating increases spinal and supraspinal excitability and enhances plantar flexion and dorsiflexion torque production of the ankle in older adults

Paulauskas, Henrikas; Baranauskienė, Neringa; Wang, Junli; Mikučionienė, Daiva; Eimantas, Nerijus; Brazaitis, Marius

doi:10.1007/s00421-020-04449-8

Cited by 9 publications

(13 citation statements)

References 55 publications

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“…Motoneuron activity is regulated through the spinal and supraspinal level inputs, and the recruitment of motoneuron is the basis for the production of muscle strength [ 23 ]. Past studies have shown that increased reflex excitability in the spinal and supraspinal level may induce the generation of dorsiflexion to plantar flexion peak torque and increase the rate of torque development in isokinetic ankle movements [ 24 ]; neurophysiological evidence of H reflex indicates that acupuncture can increase the excitability of spinal motoneurons [ 25 ]. At the same time, acupuncture may increase the excitability of α -motor neurons by stimulating the nervous system and thereby induce the PAP effect [ 8 , 13 ].…”

Section: Discussionmentioning

confidence: 99%

Effect of Acupuncture on Time-Dependent of Muscle Endurance in Female Elbow Joint: A Randomized Controlled Trial

Su¹,

Yao²,

Zhou³

et al. 2022

Evidence-Based Complementary and Alternative Medicine

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Immediate characteristics of acupuncture have been confirmed by relevant studies; however, the current study on the time effect of acupuncture in improving upper limb forearm muscle endurance is still limited. The aims of this study are to explore: (1) whether real acupuncture (RA) can improve female forearm muscle endurance compared to sham acupuncture (SA) and (2) whether the changes in forearm muscle endurance after RA are time-dependent. Thirty-six healthy female students were recruited to participate in isokinetic tests of elbow flexion/extension (Flex/Ext) from maximum flexion to maximum extension as much as possible using an isokinetic dynamometer at a speed rate of 60°/sec. Participants in the RA group were stimulated at Quchi (LI11), Shousanli (LI10), Hegu (LI4), Xiaohai (SI8), Tianjing (SJ10), and Waiguan (SJ5) acupoints for 20 min, while the SA group needling was near at these acupoints. The values of the isokinetic parameters and surface electromyography (sEMG) signals were recorded before and after acupuncture. After RA, the isokinetic parameters values (average torque, work, power, and speed), the sEMG values at four major muscles, and the joint stiffness of elbow Flex/Ext were significantly increased p < 0.05 . The enhancement of forearm muscle endurance lasted approximately 7–21 min (from post1 to post3/post4), indicating that the effect of RA to improve elbow Flex/Ext muscle endurance is time-dependent. Therefore, this study found that RA can immediately improve the forearm muscle endurance of healthy women compared with SA, and this effect can last approximately 7–21 min until the acupuncture efficacy decreased or disappeared.

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Section: Discussionmentioning

confidence: 99%

Effect of Acupuncture on Time-Dependent of Muscle Endurance in Female Elbow Joint: A Randomized Controlled Trial

Su¹,

Yao²,

Zhou³

et al. 2022

Evidence-Based Complementary and Alternative Medicine

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“…The quantity of current is very important to reach required temperature. For orthopedic supports used for pain reduction in joints, at least a temperature of 40°C has to be reached [19].…”

Section: Methodsmentioning

confidence: 99%

“…It is a known fact that heat therapy helps to relax stiff joints and reduces pain [19]. Due to age-related loss of active muscle mass, the temperature of the skin and deep muscle decreases.…”

Section: Introductionmentioning

confidence: 99%

Ag Coated Pa-Based Electro-Conductive Knitted Fabrics for Heat Generation in Compression Supports

Repon

Mikučionienė

Baltiņa

et al. 2021

Autex Research Journal

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This work deals with the electrically conductive textiles for heat generation in orthopedic compression supports. This study aimed to develop compression knitted structures with integrated electro-conductive yarns and investigate their heat generation characteristics and temperature changes during the time and under stretch which is required to generate compression. Combined half-Milano rib structured knitted fabrics were made by using silver (Ag) coated PA yarn of linear density of 66 tex and 235 tex, respectively. Six variants of specimens were developed by using different amount of electro-conductive yarns in a pattern repeat. It was found that stretch negatively influences temperature values as well as time in which the required temperature is reached. Therefore, the final wearing conditions have to be summed up during the designing of compression orthopedic heated supports.

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“…To maintain next-to-skin temperature of 44 ± 1 o C the circulator's liquid (water) temperature was set at 57.5 °C. The total weight of knee cap with circulating liquid was approximately 600 g. The heating apparatus was placed at the dominant leg used to maintain balance by each subject and kept for 10 minutes (Paulauskas et al, 2020).…”

Section: Methodsmentioning

confidence: 99%

Impact of local knee heating and the use of a neoprene knee sleeve on static and dynamic balance among young male athletes

Mazniku¹,

Dubey²,

Utvic³

et al. 2021

Sporto Mokslas / Sport Science

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Local knee heating increases spinal and supraspinal excitability and enhances plantar flexion and dorsiflexion torque production of the ankle in older adults

Cited by 9 publications

References 55 publications

Effect of Acupuncture on Time-Dependent of Muscle Endurance in Female Elbow Joint: A Randomized Controlled Trial

Effect of Acupuncture on Time-Dependent of Muscle Endurance in Female Elbow Joint: A Randomized Controlled Trial

Ag Coated Pa-Based Electro-Conductive Knitted Fabrics for Heat Generation in Compression Supports

Impact of local knee heating and the use of a neoprene knee sleeve on static and dynamic balance among young male athletes

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