The effects of foot position on erector spinae and gluteus maximus muscle activation during sit-to-stand in persons with stroke

2014 ◽  
Author(s):  
I Nam ◽  
M Lee ◽  
Y Kim ◽  
J Shin ◽  
Y S Lee ◽  
...  
Keyword(s):  
Muscle Activation ◽  
Gluteus Maximus ◽  
Erector Spinae ◽  
Sit To Stand ◽  
Gluteus Maximus Muscle ◽  
Foot Position

Effect of side-sling plank exercise on trunk and hip muscle activation in subjects with gluteus medius weakness

2021 ◽  
pp. 1-9
Author(s):  
Seung-Min Baik ◽  
Heon-Seock Cynn ◽  
Chung-Hwi Yi ◽  
Ji-Hyun Lee ◽  
Jung-Hoon Choi ◽  
...  
Keyword(s):  
Muscle Activation ◽  
Gluteus Maximus ◽  
Gluteus Medius ◽  
Erector Spinae ◽  
Lumbar Multifidus ◽  
Hip Muscle ◽  
Hip Abduction ◽  
Medial Rotation ◽  
Hip Muscles ◽  
Tensor Fasciae Latae

BACKGROUND: The effectiveness of side-sling plank (SSP) exercises on trunk and hip muscle activation in subjects with gluteus medius (Gmed) weakness is unclear. OBJECTIVE: To quantify muscle activation of the rectus abdominis (RA), external oblique (EO), erector spinae (ES), lumbar multifidus (LM), Gmed, gluteus maximus (Gmax), and tensor fasciae latae (TFL) during SSP with three different hip rotations compared to side-lying hip abduction (SHA) exercise in subjects with Gmed weakness. METHODS: Twenty-two subjects with Gmed weakness were recruited. SHA and three types of SSP exercises were performed: SSP with neutral hip (SSP-N), hip lateral rotation (SSP-L), and hip medial rotation (SSP-M). Surface electromyography was used to measure the activation of the trunk and hip muscles. RESULTS: The trunk and hip muscles activations were generally significantly higher level during three SSP than SHA. SSP-M showed significantly lower EO activation while significantly higher ES and LM activation than SSP-L. Gmed activation was significantly higher during SSP-M than during SSP-L. TFL activation was significantly lower during SSP-M than during SSP-N and SSP-L. CONCLUSIONS: SSP could be prescribed for patients who have reduced Gmed strength after injuries. Especially, SSP-M could be applied for patients who have Gmed weakness with dominant TFL.

scholarly journals Standing Up from a Chair with an Asymmetrical Initial Foot Position Decreases Trunk and Masticatory Muscle Activities in Healthy Young Men

Healthcare ◽  
2020 ◽  
Vol 8 (4) ◽  
pp. 480
Author(s):  
Youngsook Bae
Keyword(s):  
Muscle Activation ◽  
Young Men ◽  
Rectus Femoris ◽  
Erector Spinae ◽  
Masticatory Muscle ◽  
Cross Sectional ◽  
Upper Trapezius ◽  
Trunk Inclination ◽  
Trunk Kinematics ◽  
Foot Position

This study aimed to identify the activation of lower extremity, trunk, and masticatory muscle and trunk kinematics of the initial foot position during the sit-to-stand (STS) movement. Sixteen young men participated in this cross-sectional pilot study and performed STS using both symmetrical and asymmetrical foot positions. Activation of the tibialis anterior (TA), gastrocnemius lateral head (GA), rectus femoris (RF), biceps femoris (BF), rectus abdominis, erector spinae (ES), sternocleidomastoid (SCM), upper trapezius (UT), temporalis (TE), and masseter muscles in the dominant side was determined. For trunk kinematics, head and trunk velocities, front-back (For-Back) and mediolateral (Med-Lat) weight translation rates, and trunk inclination were measured. GA, TA, BF, and RF activation significantly increased, whereas ES, SCM, UT, and TE activation significantly decreased when using the asymmetrical foot position. Head velocity, For-Back, Med-Lat, and trunk inclination were also significantly decreased. In conclusion, the asymmetrical foot position increases muscle activation in the lower extremities and decreases trunk inclination. In addition, ES, UT, and TE muscle activity decreases at the initial asymmetrical foot position.

EFFECT OF STATIC STRETCHING ON MUSCLE ACTIVATION DURING SIT TO STAND AMONG LOW BACK PAIN POPULATION

2016 ◽  
Vol 78 (6-8) ◽  
Author(s):  
Nurul Syafiqah Baharam ◽  
Melydia Yasri Hisham ◽  
Vikram Mohan ◽  
Norazlin Mohamad
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Muscle Activation ◽  
Gluteus Maximus ◽  
Intervertebral Discs ◽  
Low Back ◽  
Static Stretching ◽  
Lower Limb Muscles ◽  
Sit To Stand ◽  
Hamstring Flexibility

Differential muscle activation pattern following hamstring stretching among low back pain (LBP) is being reported. Reduce in hamstring extensibility can alter the lumbar lordosis during sitting thus put pressure on lumbar intervertebral discs and increase load on the lumbar spine. This can lead to changes in the pelvic motion and altered the functional movement especially during sit to stand (STS). Thus, the faulty motion and muscles will be used and further lead to the changes of muscle activation especially to the back and lower limb muscles. Previous study showed that static stretching can help to increase activation of muscle among LBP population. However, limited evidence exists regarding the effects of static hamstring stretching on muscle activation of gluteus maximus during STS among LBP population. The main objective is to determine the effect of static hamstring stretching on hamstring flexibility on muscle activation of gluteus maximus (GM) during STS among LBP population. Forty four subjects, 44 LBP populations were recruited based on the selected criteria as set by the study protocol. The results of the study showed, there were an improvement on hamstring flexibility and muscle activation when static stretching was applied to LBP population (p<0.05). This study suggested that static hamstring stretching exercise can help to improve the hamstring ability to lengthen and increase the activation of GM during STS especially for LBP population. 

scholarly journals Electromyographic Comparison of Grand Battement Devant at the Barre, in the Center, and Traveling

2012 ◽  
Vol 27 (3) ◽  
pp. 143-155 ◽  
Author(s):  
Donna Krasnow ◽  
Jatin P Ambegaonkar ◽  
M Virginia Wilmerding ◽  
Shane Stecyk ◽  
Yiannis Koutedakis ◽  
...  
Keyword(s):  
Fixed Effects ◽  
Muscle Activation ◽  
Tracking System ◽  
Random Effect ◽  
Three Dimensional ◽  
Gluteus Maximus ◽  
The Body ◽  
Erector Spinae ◽  
Stationary Condition ◽  
Abductor Hallucis

This study examined utilization of the trunk and lower extremity muscles during grand battement devant in three conditions: at the barre (supported stationary condition in 1st position), in the center (unsupported stationary condition in 1st position), and traveling through space. Forty dancers (age 30.0 ± 13.0 yrs, height 1.63 ± 0.06 m, weight 59.0 ± 7.4 kg, and 13.9 ± 13.3 yrs of training in ballet and/or modern dance) volunteered and were placed in three skill level groups: beginner (n = 12), intermediate (n = 14), and advanced (n = 14). Dancers executed five grand battement devant in each of the three conditions in randomized order. We examined muscle activation bilaterally in eight muscles (abdominals, abductor hallucis, erector spinae, gastrocnemius, gluteus maximus, hamstrings, quadriceps, and tibialis anterior) using surface electromyography, a three-dimensional video biomechanical tracking system to identify events, and force plates. All data were analyzed in four events: stance, initiation, peak, and end. Analysis was done using a linear mixed effects regression model with condition, event, muscle, level, and side as the fixed effects, and subject as the random effect. There were significant effects for muscle 3 event 3 condition (p<0.01) and for level 3 side 3 muscle (p<0.01). Muscle use varied according to the combination of event and condition that was executed, and these differences were also influenced by the level of training of the dancer and the side of the body used. It is recommended that dance educators consider the importance of allocating sufficient time to each of the three conditions (barre, center, and traveling) to ensure development of a variety of motor strategies and muscle activation levels for dance practice.

Effects of Visual Biofeedback on Symmetrical Movements During Bridge Exercise With Sling

2021 ◽  
pp. 1-6
Author(s):  
Soo-Yong Kim ◽  
Jae-Seop Oh ◽  
Min-Hyeok Kang
Keyword(s):  
Muscle Activation ◽  
Gluteus Maximus ◽  
Erector Spinae ◽  
Motion Sensors ◽  
Pressing Pressure ◽  
Cross Sectional ◽  
Pelvic Rotation ◽  
Muscle Activation Patterns ◽  
Visual Biofeedback ◽  
Unstable Surface

Context: Asymmetrical movements of trunk and lower-extremity are common during the bridge exercise on the unstable condition. However, no studies have investigated whether visual biofeedback of pressing pressure on the unstable surface changes muscle activation patterns of trunk and hip extensors and pelvic rotation during the bridge exercise. Objective: To investigate how visual biofeedback of pressing pressure influences symmetrical activity of lumbar and hip extensor and pelvic rotation. Design: Cross-sectional study. Setting: Laboratory. Participants: Twenty healthy males participated in this study. Interventions: The participants performed 2 versions of the bridge exercise: the standard bridge exercise and the bridge exercise with visual biofeedback using amount of pressing pressure on the sling. Main Outcome Measures: Surface electromyography was used to measure the symmetry (ie, the difference between dominant and nondominant sides) of muscle activation in the bilateral erector spinae, gluteus maximus, and hamstring muscles, and motion sensors were used to assess pelvic rotation. Symmetry of pressing pressure was measured using a tension meter. Results: The differences between the dominant and nondominant pressing pressures and differences between the electromyography activity of the dominant and nondominant erector spinae, gluteus maximus, and hamstring were significantly smaller during the bridge exercise with visual biofeedback than during the standard bridge exercise (P < .05). In addition, there was significantly less pelvic rotation during the bridge exercise with visual biofeedback than during the standard bridge exercise (P < .05). Conclusions: The present findings suggest that visual biofeedback strategy may be a useful method for enhancing the symmetrical activation of the erector spinae, gluteus maximus, and hamstring and for reducing pelvic rotation during the bridge exercise on the unstable surface.

scholarly journals Balance and Lower Limb Muscle Activation Between in-Line and Traditional Lunge Exercises

2018 ◽  
Vol 62 (1) ◽  
pp. 15-22 ◽  
Author(s):  
Paulo H. Marchetti ◽  
Mauro A. Guiselini ◽  
Josinaldo J. da Silva ◽  
Raymond Tucker ◽  
David G. Behm ◽  
...  
Keyword(s):  
Lower Limb ◽  
Muscle Activation ◽  
Vastus Lateralis ◽  
Gluteus Maximus ◽  
Gluteus Medius ◽  
Biceps Femoris ◽  
Posterior Limb ◽  
Gluteus Maximus Muscle ◽  
Line P ◽  
Posterior Position

Abstract In-line and traditional lunge exercises present differences in technique as lower limb positioning (anterioposterior), and medio-lateral (ML) balance may differentially affect primary and stabilizer muscles. The purposes of this study were to examine ML balance and muscle activation in anterior and posterior leg positions between in-line and traditional lunge exercises. Fifteen young, healthy, resistance-trained men (25 ± 5 years) performed 2 different lunge exercises (in-line and traditional) at their 10 repetition maximum in a randomized, counterbalanced fashion. Surface electromyography measured muscle activation of the vastus lateralis, biceps femoris, gluteus maximus, and gluteus medius. ML balance was measured with a Wii Fit Balance Board. The vastus lateralis activity was not significantly different between exercises or leg positions. The biceps femoris activity was not significantly different between exercises, however, it was significantly greater in the anterior compared to the posterior position for the in-line (p = 0.003), and traditional lunge (p < 0.001). The gluteus maximus activity was not significantly different between exercises, however, it was significantly greater in the anterior compared to posterior position for the in-line (p < 0.001) and traditional lunge (p < 0.001). ML balance was significantly greater in the in-line exercise in the anterior limb (p = 0.001). Thus, both in-line and traditional lunge exercises presented similar overall levels of muscle activation, yet the anterior limb generated the highest biceps femoral and gluteus maximus muscle activation when compared to the posterior limb. The in-line lunge presents greater ML balance when compared to the traditional lunge exercise.

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