We investigate our muscular power - electromyography

Продукт No: P1350360


With the exception of the heart muscle, the contractions of striated muscles can be controlled at will. This characteristic enables the observation of the activities of individual muscle groups. An electromyogram (EMG) can be used to measure (record) the electrical activity (i.e. the sum of the action potentials) of a muscle or even of several muscles on the skin surface when they contract. For an electromyogram, the electrical activity of a muscle is recorded in the relaxed state as well as during contractions of varying strength.


  • No danger due to electrical energy thanks to wireless operation
  • Data acquisition with tablets possible
  • Simple operation of the app, therefore appropriate for all education levels
  • Site-independent measurements possible in tablet mode


  1. Record an EMG of your own biceps muscle while performing several contractions
  2. Record an EMG of your own calf muscle while performing several different movements

What you can learn about

  • Electromyogram
  • Muscle contractions
  • Biceps
  • Muscle potentials
  • Compound action potentials


Перечень материалов (вы́писка) Продукт Количество
Cobra4 Wireless/USB-Link incl. USB cable 12601-10 1
Cobra4 Sensor-Unit Electrophysiology: ECG, EMG, EOG 12673-00 1
Shielded leads for electrophysiology, color-coded, 3/pkg 12673-01 1
Disposable electrodes for ECG Sensor, 100 pcs. 12559-01 1
USB charger for Cobra4 Mobile-Link 2 and Wireless/USB-Link 07932-99 1
Crocodile clips for disposable electrodes, 3/pkg 12673-02 1

Литература по данной статье

Название Продукт Язык
Handbuch Schüler- und Lehrerversuche Cobra4, Physik, Chemie, Biologie, Alltagsphänomene, TESS und DEMO 01330-01 DEU
TESS and Demo advanced Manual Cobra4 Physics, Chemistry, Biology, Everyday Science 01330-02 ENG
Handbuch Schülerversuche Cobra4 Elektrophysiologie: EKG, EMG, EOG, TESS advanced Biologie 12673-11
TESS advanced Biology manual Cobra4 Electrophysiology: ECG, EMG, EOG 12673-12 ENG
Schülerversuche Elektrophysiologie für Tablets und PCs, Gerätesatz TESS advanced Biologie 15674-88

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Продукт No: P1350360

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