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4) Using Figure 4 below, describe the EMG activity differences between the two arms, taking into account motor units and numb
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  • One arm is large, that is dominant than the orther arm. there are two reason for this.
  • The neural connection to the dominant arm is very strong than the non dominant arm.
  • Due to this there will be rapid recruitmant of muscle Fibres. This helps for the slight increase in Strength.
  • EMG differing due to this reason. motor neurons is transmitting electrical signals. contraction is helped by this precess.
  • EMG varies with the transmitted electic signals produced both from arms. muscle fibre length if affecting the EMG Signals production.
  • lower signals are produced from longer Fibres. the strength of the muscle is increasing with increasing of number of Fibres.
  • the increase in Strength cause strong EMG signals. this is happing by increasing by increasing the frequency of activation.

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