MyoTrace 400

The myoTRACE 400 is the latest in portable, handheld measurement technology. It operates with two channels in stand alone mode and four channels in PC-mode. A wide variety of compatible “plug-in” Noraxon sensors can be used with the myoTRACE 400. In addition to SEMG, force transducers, goniometers, inclinometers, accelerometers, hand dynamometers, and foots switches can be used to objectively evaluate the functional status of the musculoskeletal system. The user-friendly, menu-driven operation is ideal for a professionals in orthopedic, neurological, clinical sports training and ergonomic settings. The myoTRACE 400 may be optionally connected to a PC and used for more advanced analysis with our myoSOFTWARE.


The default system comes equipped with leads/pre-amps (snaps or pinch), battery charger, stereo headphones, belt clip, small carrying case, and sample dual electrodes. The PC interface version also includes PC interface using BlueTooth, desk stand, wall hanger, and the myoMUSCLE software.

Product Code: 042. Category: .


  • Lightweight
  • Up to four channels
  • Non-preamplified electrode site
  • No “notch filters”
  • Requires minimal skin preparation
  • Visual feedback
  • Audible feedback



  • SEMG – Biofeedback
  • SEMG Muscle Function Evaluation
  • Static Force Tests
  • Handgrip Force Test
  • ROM Measures
  • Impact/Acceleration
  • Gait Analysis
  • Jump Test
Sample Rate



16 bits


Optional Bluetooth


2, 4




4.5″W x 6.75″L x 1.25″H (11.4cm x 17.2cm x 3.2cm)


12.2 oz (345 gm)

MyoTrace 400 User Manual
MyoMuscle User Guide v3.6
MyoTrace 400 Brochure
MyoTrace 400 (Black) Firmware 1.1.1

Firmware update for the Black MyoTrace 400 (Do not install if the color of your MyoTrace is White)

MyoTrace 400 (White) Firmware 1.08

Firmware update for the White MyoTrace 400.  (Do not install if the color of your MyoTrace is Black.)

MyoTrace 400 Firmware Wizard

Firmware utility for installing firmware on the MT400

Noraxon USB Driver

Windows USB Driver for all Noraxon Products