Indian Journal of Physiotherapy & Occupational Therapy-An International Journal

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A Study of Electromyographic Changes in Muscle Post Exercise Induced Muscle Soreness


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1 Banarsidas Chadiwala Institute of Physiotherapy, India
     

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Aim and objective: To analyze electromyographic changes in muscle post Exercise Induced Muscle Soreness (EIMS).

Methodology: 80 subjects(age group 21-30yrs, BMI 18-29kg/m2) free of any musculoskeletal/ Neuromuscular/psychological disorder, took part in the study. After checking for leg dominancy and calculation of BMI, the subjects were asked to perform one single squat up to 900 of hip and knee flexion while an EMG of the Rectus Femoris and Vastus Medialis Obliqus (both parts of quadriceps muscle) was recorded simultaneously. Another EMG reading was taken in the similar manner after confirming the development of muscle soreness on a graphic pain rating scale following the exercise protocol.

Results: The mean value of peak EMG of Rectus Femoris pre exercise is 508.69mV (microvolt) and post exercise induced muscle soreness is 686.60 mV. The mean of peak EMG amplitude of Vastus Medialis Obliqus came out to be as 379.81 mV pre exercise and 472.70 mV post exercise induced muscle soreness. The p value for RF pre and post was 0.000 and for VMO pre and post was 0.034.

Conclusion: The conclusion drawn from the study is that there is a significant increase in peak EMG amplitude of the muscles (RF and VMO) post exercise induced muscle soreness.


Keywords

Exercise Induced Muscle Soreness (EIMS), RF, VMO, EMG
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  • A Study of Electromyographic Changes in Muscle Post Exercise Induced Muscle Soreness

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Authors

Manish Rajput
Banarsidas Chadiwala Institute of Physiotherapy, India
Ankita Samuel
Banarsidas Chadiwala Institute of Physiotherapy, India
Chhavi Gupta
Banarsidas Chadiwala Institute of Physiotherapy, India
Sumit Kalra
Banarsidas Chadiwala Institute of Physiotherapy, India

Abstract


Aim and objective: To analyze electromyographic changes in muscle post Exercise Induced Muscle Soreness (EIMS).

Methodology: 80 subjects(age group 21-30yrs, BMI 18-29kg/m2) free of any musculoskeletal/ Neuromuscular/psychological disorder, took part in the study. After checking for leg dominancy and calculation of BMI, the subjects were asked to perform one single squat up to 900 of hip and knee flexion while an EMG of the Rectus Femoris and Vastus Medialis Obliqus (both parts of quadriceps muscle) was recorded simultaneously. Another EMG reading was taken in the similar manner after confirming the development of muscle soreness on a graphic pain rating scale following the exercise protocol.

Results: The mean value of peak EMG of Rectus Femoris pre exercise is 508.69mV (microvolt) and post exercise induced muscle soreness is 686.60 mV. The mean of peak EMG amplitude of Vastus Medialis Obliqus came out to be as 379.81 mV pre exercise and 472.70 mV post exercise induced muscle soreness. The p value for RF pre and post was 0.000 and for VMO pre and post was 0.034.

Conclusion: The conclusion drawn from the study is that there is a significant increase in peak EMG amplitude of the muscles (RF and VMO) post exercise induced muscle soreness.


Keywords


Exercise Induced Muscle Soreness (EIMS), RF, VMO, EMG

References