Normative Reference Values for Trunk Range of Motion and Isometric Muscle Strength in Asymptomatic Young Indian Adults

Context: Hamstring injuries are common, and lack of hamstring flexibility may predispose to injury. Static stretching not only increases range of motion (ROM) but also results in reduced muscle strength after stretching. The effects of stretching on the hamstring muscles and the duration of these effects remain unclear. Objective: To determine the effects of static stretching on the hamstrings and the duration of these effects. Design: Randomized crossover study. Setting: University laboratory. Participants: A total of 24 healthy volunteers. Interventions: The torque–angle relationship (ROM, passive torque [PT] at the onset of pain, and passive stiffness) and isometric muscle force using an isokinetic dynamometer were measured. After a 60-minute rest, the ROM of the dynamometer was set at the maximum tolerable intensity; this position was maintained for 300 seconds, while static PT was measured continuously. The torque–angle relationship and isometric muscle force after rest periods of 10, 20, and 30 minutes were remeasured. Main Outcome Measures: Change in static PT during stretching and changes in ROM, PT at the onset of pain, passive stiffness, and isometric muscle force before stretching were compared with 10, 20, and 30 minutes after stretching. Results: Static PT decreased significantly during stretching. Passive stiffness decreased significantly 10 and 20 minutes after stretching, but there was no significant prestretching versus poststretching difference after 30 minutes. PT at the onset of pain and ROM increased significantly after stretching at all rest intervals, while isometric muscle force decreased significantly after all rest intervals. Conclusions: The effect of static stretching on passive stiffness of the hamstrings was not maintained as long as the changes in ROM, stretch tolerance, and isometric muscle force. Therefore, frequent stretching is necessary to improve the viscoelasticity of the muscle–tendon unit. Muscle force decreased for 30 minutes after stretching; this should be considered prior to activities requiring maximal muscle strength.

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Does total rotation range of motion asymmetry have an effect on shoulder isometric muscle strength in young swimmers?

Clinical and Experimental Health Sciences ◽

10.33808/clinexphealthsci.679983 ◽

2020 ◽

Author(s):

Ferhat ÖZTÜRK ◽

Aykut ÖZÇADIRCI ◽

Ş. Alpan CİNEMRE ◽

Gizem İrem KINIKLI

Keyword(s):

Muscle Strength ◽

Range Of Motion ◽

Isometric Muscle

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Acute effects of static stretching and dynamic stretching on range of motion and isometric muscle strength of the quadriceps

Physiotherapy ◽

10.1016/j.physio.2015.03.3622 ◽

2015 ◽

Vol 101 ◽

pp. e753-e754

Author(s):

Y. Kimoto ◽

M. Wakasa ◽

C. Shuit ◽

A. Nakazawa ◽

S. Iwasawa ◽

...

Keyword(s):

Muscle Strength ◽

Range Of Motion ◽

Static Stretching ◽

Acute Effects ◽

Dynamic Stretching ◽

Isometric Muscle

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Normative Values of Y Balance Test and Isometric Muscle Strength among Saudi School Children

Physikalische Medizin Rehabilitationsmedizin Kurortmedizin ◽

10.1055/s-0043-105503 ◽

2017 ◽

Vol 27 (03) ◽

pp. 164-170 ◽

Cited By ~ 6

Author(s):

Adel Alhusaini ◽

Ali Alnahdi ◽

Ganeswararao Melam ◽

Ali Aldali ◽

Mohammed Al-Mutairi ◽

...

Keyword(s):

Muscle Strength ◽

Reference Values ◽

School Children ◽

Knee Extensors ◽

Specific Reference ◽

Balance Test ◽

The Right ◽

Dominant Side ◽

Knee Flexors ◽

Isometric Muscle

Abstract Background To establish children-specific reference values for the Y-balance test (YBT) and Isometric muscle strength in school children of Saudi Arabia and to elucidate the relationship between YBT performance and lower limb muscle strength. Materials & Methods Healthy School children (51 males) aged 12–15 years volunteered to participate in this study. Participants completed the YBT and maximal isometric muscle strength testing for knee extensors and flexors in a single testing session. Descriptive statistics were used to compute the YBT and muscle strength reference values. Paired t-tests were used to examine interlimb differences. Pearson’s correlation coefficient was used to quantify the linear relationships between YBT distances and lower limb strength. Results Tabulated children-specific reference values were presented for the right, left, dominant and non-dominant limbs. Participants exhibited longer distance in the posteromedial direction standing on the right (p=0.04), stronger knee extensors (p=0.03) on the dominant side and stronger knee flexors in the right side (p=0.01) and in the dominant side (p=0.01). Knee flexors muscle strength was positively related to the reach distances of the YBT in both the right and the left lower extremity (P<0.05). Conclusion The current study provided the reference value for the YBT and muscle strength for the knee extensors and flexors in male children in Saudi Arabia. The interlimb difference in YBT performance was noted in only the posteromedial direction and the dominant side had stronger knee flexors and extensors. Muscle strength of the knee flexors was positively related to the reach distance in the YBT.

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The effectiveness of discharge planning and range of motion (ROM) training in increasing muscle strength of nonhemorrhagic stroke patients

GHMJ (Global Health Management Journal) ◽

10.35898/ghmj-23271 ◽

2018 ◽

Vol 2 (3) ◽

pp. 57

Author(s):

Mohamat Iskandar

Keyword(s):

Muscle Strength ◽

Range Of Motion ◽

Rating Scale ◽

Discharge Planning ◽

Intervention Group ◽

Sampling Technique ◽

Control Group ◽

Planning Program ◽

Stroke Patients ◽

Central Java

Background: Non-hemorrhagic stroke patients experience hemiparesis, an improper handling results in joint contractures. Discharge planning combined with a range of motion (ROM) training given to patients and their families are expected to improve muscle strength in patients after returning from the hospital. Aims: This study is to identify the effectiveness of discharge planning in increasing muscle strength. Methods: This is a quasi-experimental study with a pre-posttest design. A total of 34 respondents were selected by cluster random sampling technique, from RAA Soewondo Pati General Hospital of Pati, Central Java, Indonesia. The respondents were divided equally into two groups; an intervention group (N = 17) was given a discharge planning program together with stroke information and range of motion (ROM) training while the control group (N = 17) received a standard discharge planning available in the hospital. Further, Muscle Rating Scale (MRS) was employed to assess the muscle strength on the 2nd, 7th, and 14th day after discharge planning presented to the nonhemorrhagic stroke patients. Results: This present study clearly acknowledges the standard discharge planning program available in the hospital improve the muscle strength of the upper and lower extremity in the nonhemorrhagic stroke patients just 2nd day after the care (pretest), and the significant improvement was observed until the day 14. Moreover, combining the care with ROM training at the intervention group faster the recovery and the muscle strength improved significantly at the 7th day and continue increase at the day 14. Looking to the muscle strength since the 2nd day to the day 14, respectively the muscle strength of upper and lower limb at the control group improved at the point of 0.588 and 0.882, while at the group received the ROM training reached the value of 1.472 and 1.412. Conclusions: The ROM training combined to the current discharge planning program will faster the muscle strength recovery of the nonhemorrhagic stroke patients. This research provide insight how family plays important role to the success in monitoring the rehabilitation and recovery progress.

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Lower Extremity Rehabilitation in Patients with Post-Stroke Sequelae through Virtual Reality Associated with Mirror Therapy

International Journal of Environmental Research and Public Health ◽

10.3390/ijerph18052654 ◽

2021 ◽

Vol 18 (5) ◽

pp. 2654

Author(s):

Roxana Steliana Miclaus ◽

Nadinne Roman ◽

Ramona Henter ◽

Silviu Caloian

Keyword(s):

Virtual Reality ◽

Muscle Strength ◽

Lower Extremity ◽

Range Of Motion ◽

Control Group ◽

Mirror Therapy ◽

Cohen’S D ◽

Cohen's D ◽

Experimental Group ◽

Post Therapy

More innovative technologies are used worldwide in patient’s rehabilitation after stroke, as it represents a significant cause of disability. The majority of the studies use a single type of therapy in therapeutic protocols. We aimed to identify if the association of virtual reality (VR) therapy and mirror therapy (MT) exercises have better outcomes in lower extremity rehabilitation in post-stroke patients compared to standard physiotherapy. Fifty-nine inpatients from 76 initially identified were included in the research. One experimental group (n = 31) received VR therapy and MT, while the control group (n = 28) received standard physiotherapy. Each group performed seventy minutes of therapy per day for ten days. Statistical analysis was performed with nonparametric tests. Wilcoxon Signed-Rank test showed that both groups registered significant differences between pre-and post-therapy clinical status for the range of motion and muscle strength (p < 0.001 and Cohen’s d between 0.324 and 0.645). Motor Fugl Meyer Lower Extremity Assessment also suggested significant differences pre-and post-therapy for both groups (p < 0.05 and Cohen’s d 0.254 for the control group and 0.685 for the experimental group). Mann-Whitney results suggested that VR and MT as a therapeutic intervention have better outcomes than standard physiotherapy in range of motion (p < 0.05, Cohen’s d 0.693), muscle strength (p < 0.05, Cohen’s d 0.924), lower extremity functionality (p < 0.05, Cohen’s d 0.984) and postural balance (p < 0.05, Cohen’s d 0.936). Our research suggests that VR therapy associated with MT may successfully substitute classic physiotherapy in lower extremity rehabilitation after stroke.

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Effects of Mirror Therapy Combined With EMG-triggered Functional Electrical Stimulation to Improve on Upper Extremity Function in Patient with Chronic Stroke

Physikalische Medizin Rehabilitationsmedizin Kurortmedizin ◽

10.1055/a-1210-2930 ◽

2020 ◽

Author(s):

Joo Yeol Jung ◽

Pong Sub Youn ◽

Dong Hoon Kim

Keyword(s):

Electrical Stimulation ◽

Physical Therapy ◽

Muscle Strength ◽

Range Of Motion ◽

Upper Extremity ◽

Functional Electrical Stimulation ◽

Chronic Stroke ◽

Mirror Therapy ◽

Extremity Function ◽

Upper Extremity Function

AbstractThis study was performed to evaluate the effects of Mirror therapy combined with EMG-triggered Functional Electrical Stimulation on upper extremity function in patient with Chronic Stroke. A total of 24 chronic stroke patients were divided into 3 groups. Group I (n=8) was given with traditional physical therapy (TPT), group II (n=7) was given with traditional physical therapy and mirror therapy (MT), and group III (n=9) was given with traditional physical therapy and mirror therapy in conjunction with EMG-triggered Functional Electrical Stimulation (EMGFES-MT). Each group performed one hour a day 5 times a week for 6 weeks.We obtained the following result between before and after treatments about changes of elbow flexion muscle strength (EFMS), elbow extension muscle strength (EEMS), wrist flexion muscle strength (WFMS), wrist extension muscle strength (WEMS), elbow flexion range of motion (EFROM), elbow extension range of motion (EEROM), wrist flexion range of motion (WFROM), wrist extension range of motion (WEROM), grip strength (GS) and upper extremity function.Each group showed a significant difference in EFMS, EEMS, WFMS, WEMS, EFROM, EEROM, WFROM, WEROM, GS and upper extremity function (p<0.05) EMFES-MT group revealed significant differences in EEMS, WEROM, grip strength and upper extremity function as compared to the other groups (p<0.05). No difference was found in the change of spasticity among the 3 groups.Our results showed that EMFES-MT was more effective on elbow, WFMS, WEMS, AROM, grip strength and upper extremity function in patients with chronic stroke. We suggest that this study will be able to be used as an intervention data for recovering upper extremity function in chronic stroke patients

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