TMG MEASURING DEVICE

Our patented TENSIOMYOGRAPHY measuring device TMG S2 was developed in cooperation with the Laboratory for Biomedical and Muscle Biomechanics at the University of Ljubljana, Slovenia. We provide every customer with on-site installation and user training, a 12-month guarantee and software support, including upgrades and on-site service.

• 1. Electrical Stimulator
• 2. Digital Sensor
• 3. Tripod & Manipulating Hand
• 4. Electrodes

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TMG MEASUREMENT PROTOCOL

Tensiomyography (TMG) is used for monitoring radial muscle belly displacement under isometric conditions. The displacement sensor is positioned perpendicularly to the tangential plane on the largest area above the muscle belly. The muscle belly displacement (enlargement) during contraction is observed and monitored.

Experimental setup used to evoke and measure the biceps brachii (BB) isometric twitch contraction responses. The TMG sensor measures muscle radial displacement during twitch contractions induced by short electrical stimuli. The stimulating electrodes are placed directly onto the skin.

Muscle contraction is elicited by single-twitch electrical stimuli. Two self-adhesive electrodes are placed around the TMG sensor. The anode is placed distally and the cathode proximally, 20-50 mm from the measuring point. Bipolar electrical stimulation consisted of a single DC pulse of 1 ms in duration.

Setup used to evoke and measure the biceps brachii (BB) isometric twitch contraction responses. The TMG sensor measures muscle radial displacement during twitch contractions induced by short electrical stimuli. The stimulating electrodes are placed directly onto the skin.

TMG PARAMETERS

Delay time (td) as a time between the electrical impulse and 10% of the contraction

Contraction time (tc) as a time between 10% and 90% of the contraction

Sustain time (ts) as a time between 50% of the contraction and 50% of the relaxation

Relaxation time (tr) as a time between 90% and 50% of the relaxation

Displacement (Dm) as maximal amplitude of the muscle contraction

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