Effects of kinesio taping on neck-shoulder discomfort and EMG responses during smartphone texting in healthy young adults

Work ◽  
2020 ◽  
Vol 67 (4) ◽  
pp. 847-854
Author(s):  
Pattanasin Areeudomwong ◽  
Wasuphol Bootsast ◽  
Chalalai Thapthimthong ◽  
Patchareeporn Manop ◽  
Vitsarut Buttagat
Keyword(s):  
Young Adults ◽  
Erector Spinae ◽  
Trunk Muscles ◽  
Clinical Settings ◽  
Median Frequency ◽  
Mean Square ◽  
Serratus Anterior ◽  
Kinesio Taping ◽  
Lower Trapezius ◽  
The Right

BACKGROUND: While kinesio taping (KT) is used in several clinical settings to correct posture and reduce pain, KT effects during smartphone texting are unknown. OBJECTIVE: To investigate the effects among healthy young adults of KT on neck-shoulder discomfort and electromyographic (EMG) responses of neck and upper trunk muscles during smartphone texting. METHODS: Twenty-four participants performed a 30-minute texting task on a smartphone using both hands at two separate times under one of two conditions: KT on the right shoulder and no taping. Neck-shoulder discomfort was assessed, along with the normalized root mean square (NRMS) and normalized median frequency (NMF) of the right cervical erector spinae (CES), lower trapezius (LT), and serratus anterior (SA). RESULTS: Compared to baseline, both groups had significantly greater neck-shoulder discomfort, and NRMS and NMF of all muscles (p < 0.001) after performing a 30-minute texting task. Comparing between groups, the KT group experienced significantly less neck-shoulder discomfort, and demonstrated delayed deterioration of NRMS and NMF of right CES and LT muscles (p < 0.05). CONCLUSIONS: During smartphone texting, KT on the shoulder decreased neck-shoulder discomfort and delayed reduction of activation and fatigue of neck and upper trunk muscles among healthy young adults.

scholarly journals Effects of a Dynamic Chair on Chair Seat Motion and Trunk Muscle Activity during Office Tasks and Task Transitions

2018 ◽  
Vol 15 (12) ◽  
pp. 2723 ◽  
Author(s):  
Corina Nüesch ◽  
Jan-Niklas Kreppke ◽  
Annegret Mündermann ◽  
Lars Donath
Keyword(s):  
Young Adults ◽  
Muscle Activity ◽  
Muscle Activation ◽  
Dynamic Condition ◽  
Trunk Muscle ◽  
Erector Spinae ◽  
Task Transition ◽  
The Right ◽  
Hand Writing ◽  
And Task

Employing dynamic office chairs might increase the physical (micro-) activity during prolonged office sitting. We investigated whether a dynamic BioSwing® chair increases chair sway and alters trunk muscle activation. Twenty-six healthy young adults performed four office tasks (reading, calling, typing, hand writing) and transitions between these tasks while sitting on a dynamic and on a static office chair. For all task-transitions, chair sway was higher in the dynamic condition (p < 0.05). Muscle activation changes were small with lower mean activity of the left obliquus internus during hand writing (p = 0.07), lower mean activity of the right erector spinae during the task-transition calling to hand writing (p = 0.036), and higher mean activity of the left erector spinae during the task-transition reading to calling (p = 0.07) on the dynamic chair. These results indicate that an increased BioSwing® chair sway only selectively alters trunk muscle activation. Adjustments of chair properties (i.e., swinging elements, foot positioning) are recommended.

Relationship between Trunk Muscularity and Club Head Speed in Male Golfers

2020 ◽  
Vol 41 (06) ◽  
pp. 419-423
Author(s):  
Yoka Izumoto ◽  
Toshiyuki Kurihara ◽  
Sumiaki Maeo ◽  
Takashi Sugiyama ◽  
Hiroaki Kanehisa ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Rectus Abdominis ◽  
Erector Spinae ◽  
Trunk Muscles ◽  
Bilateral Asymmetry ◽  
Lateral Abdominal Wall ◽  
Quadratus Lumborum ◽  
Club Head ◽  
The Right ◽  
Psoas Major

AbstractThis study examined how the volume of trunk muscles and its bilateral asymmetry are related to club head speed in golfers. Fourteen right-handed male golfers performed five driver shots, and the club head speed for each trial was calculated from a three-dimensional reflective marker position of the club head immediately before impact. The volume of each side of the rectus abdominis, erector spinae, psoas major, quadratus lumborum, lateral abdominal wall muscle, and multifidus was determined using magnetic resonance imaging. For each muscle, the ratio of the larger to smaller side in muscle volume was calculated to assess bilateral asymmetry. The club head speed correlated positively with the volume of each side of the rectus abdominis and erector spinae, left quadratus lumborum, and the asymmetric ratio of the psoas major (r=0.595–0.747), but negatively with the asymmetric ratio of the quadratus lumborum (r=−0.641). Multiple regression analysis revealed that the right erector spinae volume and the asymmetric ratio of the psoas major were significant contributors for the club head speed (R2=0.797). These results indicate that the variation in the club head speed can be strongly explained by the absolute volume and bilateral asymmetry of specific trunk muscles.

scholarly journals Interhemispheric interactions between trunk muscle representations of the primary motor cortex

2017 ◽  
Vol 118 (3) ◽  
pp. 1488-1500 ◽  
Author(s):  
Loyda Jean-Charles ◽  
Jean-Francois Nepveu ◽  
Joan E. Deffeyes ◽  
Guillaume Elgbeili ◽  
Numa Dancause ◽  
...  
Keyword(s):  
Evoked Potential ◽  
Primary Motor Cortex ◽  
Motor Evoked Potential ◽  
Lumbar Vertebra ◽  
Arm Movement ◽  
Erector Spinae ◽  
Trunk Muscles ◽  
Interhemispheric Inhibition ◽  
Axial Muscles ◽  
The Right

Unilateral arm movements require trunk stabilization through bilateral contraction of axial muscles. Interhemispheric interactions between primary motor cortices (M1) could enable such coordinated contractions, but these mechanisms are largely unknown. Using transcranial magnetic stimulation (TMS), we characterized interhemispheric interactions between M1 representations of the trunk-stabilizing muscles erector spinae at the first lumbar vertebra (ES L1) during a right isometric shoulder flexion. These interactions were compared with those of the anterior deltoid (AD), the main agonist in this task, and the first dorsal interosseous (FDI). TMS over the right M1 elicited ipsilateral silent periods (iSP) in all three muscles on the right side. In ES L1, but not in AD or FDI, ipsilateral motor evoked potential (iMEP) could precede the iSP or replace it. iMEP amplitude was not significantly different whether ES L1 was used to stabilize the trunk or was voluntarily contracted. TMS at the cervicomedullary junction showed that the size of cervicomedullary evoked potential was unchanged during the iSP but increased during iMEP, suggesting that the iSP, but not the iMEP, is due to intracortical mechanisms. Using a dual-coil paradigm with two coils over the left and right M1, interhemispheric inhibition could be evoked at interstimulus intervals of 6 ms in ES L1 and 8 ms in AD and FDI. Together, these results suggest that interhemispheric inhibition is dominant when axial muscles are involved in a stabilizing task. The ipsilateral facilitation could be evoked by ipsilateral or subcortical pathways and could be used depending on the role axial muscles play in the task. NEW & NOTEWORTHY The mechanisms involved in the bilateral coordination of axial muscles during unilateral arm movement are poorly understood. We thus investigated the nature of interhemispheric interactions in axial muscles during arm motor tasks in healthy subjects. By combining different methodologies, we showed that trunk muscles receive both inhibitory and facilitatory cortical outputs during activation of arm muscles. We propose that inhibition may be conveyed mainly through interhemispheric mechanisms and facilitation by subcortical mechanisms or ipsilateral pathways.

Biomechanics of Trunk During Walking Carrying Load on One Hand Using Nonlinear Methods

2014 ◽  
Author(s):  
Vikas Yadav ◽  
Maruti Ram Gudavalli ◽  
P. K. Raju ◽  
Dan Marghitu
Keyword(s):  
Correlation Dimension ◽  
Reaction Force ◽  
Force Plate ◽  
Approximate Entropy ◽  
Peak Force ◽  
Erector Spinae ◽  
Trunk Muscles ◽  
Emg Activity ◽  
Median Frequency ◽  
Trunk Motion

Activities of daily living include carrying objects using one hand. Carrying a load using one hand can alter the loading on the musculoskeletal system as well as the walking pattern. The objective of this pilot study was to quantify the ground reaction forces, electromyographic (EMG) activity of trunk muscles, and trunk motion during walking. Nine human volunteers with no symptoms of pain were recruited from the student and employee population of an academic institution. Data were recorded from 8 volunteer subjects. Participants were asked to walk at self-selected speed back and forth at their comfortable speed carrying loads varying from 0 to 25 pounds on right hand on a wooden walking platform for 30 steps/cycles. Motion data were recorded from T1, L1, L3, and S1 vertebrae at a sampling frequency of 120 Hz. Range of Motion (ROM), Correlation Dimension (CoD), and Approximate Entropy (ApEn) was computed using custom written MatLab programs. EMG data were recorded from six muscle groups bilaterally (right and left): Erector Spinae, Multifidus, Latissimus Dorsi, Internal Obliques, External Obliques and Rectus Abdominis at a frequency of 1200 Hz. Root mean square EMG values, Mean and Median Frequency of the EMG data were calculated to observe the effect of increasing load on muscle fatigue using custom developed MatLab program. Ground reaction force (GRF) data were collected using a force plate and the associated 1st peak force (Fz1), 2nd Peak force (Fz3) and minimum force (Fz2) between the two peak forces were calculated during gait cycle. The ROM values had a range from 2.6–3.2 deg. for Lumbar lateral bending (LB), 6.7–8.7 deg. for Thoracic LB. Approximate Entropy (ApEn) values ranged from 0.20–0.40 for Lumbar LB motion and 0.30–0.50 for Thoracic LB motion. Correlation Dimension (CoD) values ranged from 1.20–1.40 for lumbar LB and 1.20–1.30 for Thoracic LB. Normalized GRF increased during walking with increased load. Significance difference (P<0.05) were found for vGRF with increase in load. Motion and EMG data did not reveal any significant differences.

Trunk Muscle Activation While Resisting Asymmetrically Applied Loads in an Axially Rotated Posture

1992 ◽  
Vol 36 (10) ◽  
pp. 752-756
Author(s):  
Steven A. Lavender ◽  
Yang-Hwei Tsuang ◽  
Gunnar B.J. Andersson
Keyword(s):  
Muscle Activation ◽  
Surface Emg ◽  
Erector Spinae ◽  
Trunk Muscles ◽  
Rectus Abdominus ◽  
Left And Right ◽  
External Oblique ◽  
The Right ◽  
Main Effects ◽  
Univariate Analyses

The present investigation describes the electromyographic (EMG) response of eight trunk muscles during the application of loads to the torso while subjects maintained a twisted posture. The external moments of 20 and 40 Nm were applied to a harness system as each of the 10 subjects twisted 25 degrees. The applied moment direction was varied in 3 0 degree increments completely around the subjects (0 to 33 0 degrees). Surface EMG was used to monitor the left and right Latissimus Dorsi, Erector Spinae, External Oblique, and Rectus Abdominus. Multivariate and univariate analyses of variance (MANOVA and ANOVA) procedures showed significant main effects for all muscles and a significant moment magnitude by moment direction interaction effect in 6 of the 8 muscles. The greatest muscle activity was observed in the right Erector Spinae and the left External Oblique muscles. The results are also compared with an earlier study in which a similar loading paradigm was used as subject maintained a neutral upright posture.

scholarly journals The Surface EMG Characteristics between Erector Spinae and Vastus Lateralis during Bending Forward and Squatting Down Tasks

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Jinzhuang Xiao ◽  
Junmin Gao ◽  
Hongrui Wang ◽  
Kun Liu ◽  
Xincai Yang
Keyword(s):  
Theoretical Basis ◽  
Healthy Subjects ◽  
Vastus Lateralis ◽  
Surface Emg ◽  
Physical Activities ◽  
Erector Spinae ◽  
Median Frequency ◽  
Low Back ◽  
The Right ◽  
Daily Physical Activities

Bending forward and squatting down are two common physical tasks in everyday life and at work. This study determined the sEMG characteristics between erector spinae and vastus lateralis during bending forward and squatting down tasks by analyzing the regularity of variation in sEMG frequency domain index-median frequency (MNF) in healthy subjects. The results indicate that sEMG activities in erector spinae are significantly higher than those in the right vastus lateralis during bending forward task. Instead, in squatting down task, sEMG activities in the right vastus lateralis are significantly greater than those in erector spinae. It also shows that the fatigue degree of low back caused by trunk bending is much deeper than that by squatting down. The ratio scope of one-order fitting values of MNF between erector spinae and vastus lateralis ranges from 0.87 to 1.72 among 80% of subjects during bending forward task and ranges from 0.31 to 1.11 during squatting down task. This study provides certain theoretical basis for using the strength of low back in a proper way to avoid getting it hurt in daily physical activities.

Evaluation of trunk muscle activities in response to three breastfeeding positions utilised by women

2021 ◽  
pp. 1-7
Author(s):  
Ojukwu Chidiebele Petronilla ◽  
Ezeukwu Obinna Antoninius ◽  
Anih Chinagozim Faith ◽  
Okemuo Adaora Justina ◽  
Ezugwu Uchechukwu Anthonia ◽  
...  
Keyword(s):  
Experimental Study ◽  
Descriptive Statistics ◽  
Erector Spinae ◽  
Trunk Muscles ◽  
Activity Levels ◽  
High Prevalence ◽  
Alpha Level ◽  
Nursing Mothers ◽  
External Oblique ◽  
The Right

BACKGROUND: High prevalence of breastfeeding (BF)-related musculoskeletal disorders (MSDs) in nursing mothers have been reported in previous studies. Studies are scarce on the biomechanical effects of the commonly utilized BF positions. OBJECTIVE: This study evaluated the electromyographic (EMG) activities of the trunk muscles in response to three BF positions commonly utilized by mothers globally. METHODS: 20 non-pregnant nulliparous females participated in this experimental study. EMG activities from erector spinae (ES) and external oblique (EO) muscles were recorded bilaterally in three BF conditions: cradle (C1); cross-cradle (C2); football (FB). Data were analyzed using descriptive statistics and inferential statistics of one-way analysis of variance with alpha level set at 0.05. RESULTS: The activity levels of right EO and ES muscles significantly increased during the C2 hold, while the left EO and ES muscles revealed significantly higher EMG levels in the C1 trial. Asymmetrical activity between the right and the left parts of the EO muscle was significantly higher during the C2 hold. CONCLUSION: These findings suggest that compared to C2 and C1 holds, FB hold may be more biomechanically efficient relative to its decreased muscular demands. The physical stresses associated with BF may be higher with the adoption of C2 and C1 holds, especially for prolonged periods.

scholarly journals The influence of Kinesio Taping on muscle fatigue in individuals with low back pain: A randomised controlled trial

2021 ◽  
pp. 1-9
Author(s):  
Liane Brito Macedo ◽  
Jim Richards ◽  
Daniel Tezoni Borges ◽  
Samara Alencar Melo ◽  
Daniela Dantas Reis ◽  
...  
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Muscle Fatigue ◽  
Rating Scale ◽  
Erector Spinae ◽  
Median Frequency ◽  
Low Back ◽  
Back Muscle ◽  
Time Points ◽  
Kinesio Taping

OBJECTIVE: To evaluate the effect of different taping techniques on back muscle fatigue in people with low back pain. METHODS: Sixty women with chronic non-specific low back pain were randomly assigned to four groups of 15 participants each: control (CG), Kinesio Taping (KT) with tension (KTT), KT no tension (KTNT) and Micropore® (MP), which were applied over the erector spinae muscles. The median frequency (MF) fatigue slopes of the longissimus muscle and sustained contraction time during a trunk fatigue test (Ito test), and pain using the numerical pain rating scale (NPRS) were collected at three time points: pre-treatment, three and ten days after intervention at a university laboratory. RESULTS: Significant differences were seen in the MF slopes between groups (p= 0.01, η2= 0.20), with the KTT showing a mean difference (MD = 0.31, p= 0.04) and KTNT (MD = 0.28, p= 0.04) compared with CG. Significant reductions in NPRS were seen between time points (p< 0.001, η2= 0.28), with a reduction between pre and 3 days (MD = 1.87, p< 0.001), and pre and 10 days (MD = 1.38, p< 0.001), with KTT and KTNT both showing clinically important changes. CONCLUSION: KT, with or without tension, has a tendency to reduce back muscle fatigue and reduce pain in individuals with chronic non-specific low back pain.

scholarly journals Effective erector spinae plane block for postoperative analgesia in a pyothorax patient who underwent emergency re-open thoracotomy—a case report

2019 ◽  
Vol 11 (1) ◽  
Author(s):  
Izumi Kawagoe ◽  
Daizoh Satoh ◽  
Mariko Fukui ◽  
Kenji Suzuki ◽  
Eiichi Inada
Keyword(s):  
Postoperative Analgesia ◽  
Transverse Process ◽  
Erector Spinae ◽  
Open Thoracotomy ◽  
Case Presentation ◽  
Lung Lobectomy ◽  
Erector Spinae Plane Block ◽  
Lower Lung ◽  
The Right ◽  
Vein Stenosis

Abstract Background The appropriate choice of postoperative analgesia for pyothorax surgery is unclear since local infection could contaminate the catheter used for regional blocks and bacteremia can lead to disordered coagulation. We performed erector spinae plane block (ESPB) in a pyothorax patient undergoing emergency re-open thoracotomy. Case presentation An 81-year-old male with internal jugular vein stenosis on aspirin therapy was scheduled for pyothorax drainage and residual middle lobectomy 14 days after he underwent open right lower lung lobectomy for lung cancer. ESPB was performed with injection of 20 ml of 0.375% levobupivacaine at the Th5 transverse process of the right side under ultrasound guidance. Although he needed intravenous pentazocine for pain on postoperative day 0, no more analgesics were required postoperatively. NRS score ranged from 0 to 1 thereafter. Conclusions ESPB provided effective postoperative analgesia following emergency re-open thoracotomy for our pyothorax patient. ESPB might be the appropriate choice for postoperative analgesia following pyothorax surgery.

Risk factors associated with subacromial pain in young athletes: A case control study

2021 ◽  
pp. 1-9
Author(s):  
Zoran Z. Sarcevic ◽  
Andreja P. Tepavcevic
Keyword(s):  
Logistic Regression ◽  
Case Control Study ◽  
Case Control ◽  
Sternoclavicular Joint ◽  
Pectoralis Major ◽  
Young Athletes ◽  
Serratus Anterior ◽  
Significant Difference ◽  
Lower Trapezius ◽  
Control Study

BACKGROUND: Subacromial pain (SAP) is a common complaint of young athletes, independently of the sport engaged. The prevalence of SAP in some sports is up to 50%. OBJECTIVE: The study was aimed to investigate some new factors possibly associated to subacromial pain in young athletes. The factors considered were the grade of tightness of the clavicular portion of the pectoralis major, dysfunction of the sternoclavicular joint, and serratus anterior and lower trapezius strength. METHODS: This case-control study included 82 young athletes 9–15 years, 41 with the symptoms of SAP and 41 controls. All participants self-reported whether they had subacromial pain. In addition, Hawkins–Kennedy Test was performed to all the participants to evaluate the subacromial pressure. Main outcome measures were the grade of tightness of the clavicular portion of the pectoralis major, dysfunction of the sternoclavicular joint, and serratus anterior and lower trapezius strength. The grade of tightness of the clavicular portion of the pectoralis major and the dysfunction of the sternoclavicular joint were measured with an inclinometer. Serratus anterior and lower trapezius strength were measured by a handheld dynamometer with external belt-fixation. The data were analyzed using t-test for independent samples, Mann-Whitney U test, contingency coefficients and a stepwise binary logistic regression. RESULTS: Significant statistical difference was observed in the grade of tightness of the clavicular portion of the pectoralis major and in the variable representing the physiological functioning of the sternoclavicular joint, between the cases and the controls. There was no significant difference in serratus anterior and lower trapezius strength between the cases and the controls. Logistic regression analysis showed that the variable representing the physiological functioning of the sternoclavicular joint and the grade of shortening of the clavicular portion of the pectoralis major were good predictors for presence of SAP. CONCLUSIONS: A strong association was determined between subacromial pain in young athletes, clavicular portion of pectoralis major tightness and the dysfunction of the sternoclavicular joint.

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