Effects of Isometric Hip Abduction using an Elastic-band on Muscle Activation in the Gluteus Maximus, Hamstring, and Erector Spinae during Forward Bending and Return Task

2021 ◽  
Vol 1 (2) ◽  
pp. 42-49
Author(s):  
Nam-Goo Kang ◽  
Jeong-Hoon Lee ◽  
Min-Joo Ko ◽  
Won-jeong Jeong ◽  
Sae-il Oh ◽  
...  
Keyword(s):  
Muscle Activation ◽  
Gluteus Maximus ◽  
Erector Spinae ◽  
Elastic Band ◽  
Forward Bending ◽  
Hip Abduction

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 Hip-Muscle Activity in Men and Women During Resisted Side Stepping With Different Band Positions

2018 ◽  
Vol 53 (11) ◽  
pp. 1071-1081 ◽  
Author(s):  
Cara L. Lewis ◽  
Hanna D. Foley ◽  
Theresa S. Lee ◽  
Justin W. Berry
Keyword(s):  
Muscle Activation ◽  
Gluteus Maximus ◽  
Gluteus Medius ◽  
Lower Extremity Injury ◽  
Band Placement ◽  
Men And Women ◽  
Trunk Inclination ◽  
Hip Muscle ◽  
Hip Abduction ◽  
Few Data

ContextWeakness or decreased activation of the hip abductors and external rotators has been associated with lower extremity injury, especially in females. Resisted side stepping is commonly used to address hip weakness. Whereas multiple variations of this exercise are used clinically, few data exist regarding which variations to select.ObjectiveTo investigate differences in muscle-activation and movement patterns and determine kinematic and limb-specific differences between men and women during resisted side stepping with 3 resistive-band positions.DesignControlled laboratory study.SettingLaboratory.Patients or Other ParticipantsA total of 22 healthy adults (11 men, 11 women; age = 22.8 ± 3.0 years, height = 171.6 ± 10.7 cm, mass = 68.5 ± 11.8 kg).Intervention(s)Participants side stepped with the resistive band at 3 locations (knees, ankles, feet).Main Outcome Measure(s)We collected surface electromyography of the gluteus maximus, gluteus medius, and tensor fascia lata (TFL) for the moving and stance limbs during the concentric and eccentric phases. We also measured trunk inclination, hip and knee flexion, and hip-abduction excursion.ResultsHip-abductor activity was higher in women than in men (P ≤ .04). The pattern of TFL activity in the stance limb differed by sex. Women performed the exercise in greater forward trunk inclination (P = .009) and had greater hip excursion (P = .003). Gluteus maximus and medius activity increased when the band was moved from the knees to the ankles and from the ankles to the feet, whereas TFL activity increased only when the band was moved from the knees to the ankles. Findings were similar for both the stance and moving limbs, but the magnitudes of the changes differed.ConclusionsCompared with placing the band around the ankles, placing the band around the feet for resisted side stepping elicited more activity in the gluteal muscles without increasing TFL activity. This band placement is most appropriate when the therapeutic goal is to activate the muscles that resist hip adduction and internal rotation.

scholarly journals Trunk muscle activation patterns during active hip abduction test during remission from recurrent low back pain: an observational study

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Tadanobu Suehiro ◽  
Hiroshi Ishida ◽  
Kenichi Kobara ◽  
Hiroshi Osaka ◽  
Chiharu Kurozumi
Keyword(s):  
Muscle Activation ◽  
Gluteus Medius ◽  
Trunk Muscle ◽  
Erector Spinae ◽  
Transversus Abdominis ◽  
Activation Patterns ◽  
Muscle Activation Patterns ◽  
Hip Abduction ◽  
Recurrent Low Back Pain ◽  
Insight Into

Abstract Background The active hip abduction test (AHAbd) is widely used to evaluate lumbopelvic stability, but the onset of trunk muscle activation during the test in individuals with recurrent low back pain (rLBP) has not been investigated so far. It is important to investigate the pattern of trunk muscle activation during the AHAbd test to provide insight into the interpretation of observation-based assessment results; this may help to create exercise therapy interventions, from a movement control perspective, for people seeking treatment for rLBP. The purpose of this study was to compare the timing of trunk muscle activation between individuals with and without rLBP and to assess potential differences. Methods Seventeen subjects in remission from rLBP and 17 subjects without rLBP were recruited. We performed surface electromyography of the transversus abdominis/internal abdominal oblique, external oblique, erector spinae, and gluteus medius muscles during the AHAbd test on both sides. The onset of trunk muscle activation was calculated relative to the prime mover gluteus medius. The independent-samples t- and Mann-Whitney U tests were used to compare the onset of trunk muscle activation between the two groups. Results The onset of transversus abdominis/internal abdominal oblique activation on the ipsilateral (right AHAbd: −3.0 ± 16.2 vs. 36.3 ± 20.0 msec, left AHAbd: −7.2 ± 18.6 vs. 29.6 ± 44.3 ms) and contralateral sides (right AHAbd: −11.5 ± 13.9 vs. 24.4 ± 32.3 ms, left AHAbd: −10.1 ± 12.5 vs. 23.3 ± 17.2 ms) and erector spinae on the contralateral side (right AHAbd: 76.1 ± 84.9 vs. 183.9 ± 114.6 ms, left AHAbd: 60.7 ± 70.5 vs. 133.9 ± 98.6 ms) occurred significantly later in individuals with rLBP than in individuals without rLBP (p < 0.01). During the left AHAbd test, the ipsilateral erector spinae was also activated significantly later in individuals with rLBP than in individuals without rLBP (71.1 ± 80.1 vs. 163.8 ± 120.1 ms, p < 0.05). No significant difference was observed in the onset of the external oblique activation on the right and left AHAbd tests (p > 0.05). Conclusions Our results suggest that individuals with rLBP possess a trunk muscle activation pattern that is different from that of individuals without rLBP. These findings provide an insight into the underlying muscle activation patterns during the AHAbd test for people with rLBP and may support aggressive early intervention for neuromuscular control.

scholarly journals Association between lumbopelvic motion and muscle activation in patients with non-specific low back pain during forward bending task: A cross-sectional study

2019 ◽  
Vol 40 (01) ◽  
pp. 29-37
Author(s):  
Peemongkon Wattananon ◽  
Komsak Sinsurin ◽  
Sirikarn Somprasong
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Muscle Activity ◽  
Muscle Activation ◽  
Erector Spinae ◽  
Low Back ◽  
Activation Patterns ◽  
Muscle Activation Patterns ◽  
Forward Bending ◽  
Lumbar Motion

Background: Evidence suggests patients with non-specific low back pain (NSLBP) have altered lumbar and pelvic movement patterns. These changes could be associated with altered patterns of muscle activation. Objective: The study aimed to determine: (1) differences in the relative contributions and velocity of lumbar and pelvic movements between people with and without NSLBP, (2) the differences in lumbopelvic muscle activation patterns between people with and without NSLBP, and (3) the association between lumbar and pelvic movements and lumbopelvic muscle activation patterns. Methods: Subjects (8 healthy individuals and 8 patients with NSLBP) performed 2 sets of 3 repetitions of active forward bending, while motion and muscle activity data were collected simultaneously. Data derived were lumbar and pelvic ranges of motion and velocity, and ipsilateral and contralateral lumbopelvic muscle activities (internal oblique[Formula: see text]transverse abdominis (IO[Formula: see text]TA), lumbar multifidus (LM), erector spinae (ES) and gluteus maximus (GM) muscles). Results: Lumbar and pelvic motions showed trends, but exceeded 95% confidence minimal detectable difference (MDD[Formula: see text]), for greater pelvic motion [Formula: see text], less lumbar motion [Formula: see text] among patients with NSLBP. Significantly less activity was observed in the GM muscles bilaterally [Formula: see text] in the NSLBP group. A significant association [Formula: see text], [Formula: see text] was found between ipsilateral ES muscle activity and lumbar motion, while moderate, but statistically non-significant associations, were found between GM muscle activity bilaterally and lumbar velocity [Formula: see text]ipsilateral: [Formula: see text], [Formula: see text]; contralateral: [Formula: see text], [Formula: see text] in the NSLBP group. Conclusion: Findings indicated patients had greater pelvic contribution, but less lumbar contribution which was associated with less activation of the GM bilaterally.

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.

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