Blue Sensor N
The Blue Sensor N is a disposable, single-use electrode used for electrocardiography (ECG) monitoring. It is designed to capture high-quality ECG signals from patients.
Lab products found in correlation
34 protocols using Blue Sensor N
Multimodal Recording of Neural and Robotic Signals
Standardized Electromyographic Recording
Eye Movement Recording and Analysis
Isometric Knee Strength and EMG Measurement
Multimodal Analysis of Muscle Activity and Body Kinematics
Body kinematics were recorded using a 12-camera infrared light-emitting motion capture system (Vicon MX system; Oxford Metrics Group®, Oxford, GB) with a sampling frequency of 200 Hz. Reflective skin markers (12.5mm diameter) were placed on the participants according to the Plug-in-Gait upper body model (
Marker placement and segment definition according to the Plug-in-Gait (PIG) upper body model [38 (link), 39 ], with additional markers on the spine and pelvis. The percentages refer to back length [40 (link)]. All PIG markers were used to calculate the centre of mass. Marker placement is also shown in
Standard Polysomnography System Setup
EMG Electrode Placement for Lower Limb Muscles
Evaluating Adapted Electroencephalogram Designs
Treadmill Running and Pelvic Floor Muscle Activity
Lower Limb Muscle Strength and Neuromuscular Activity
Maximal voluntary isometric contraction (MVC) in the non-dominant (weakest) leg was determined as the highest peak torque out of 3-5 attempts during both knee extension (KE, 70° knee joint angle) and flexion (KF, 20° knee joint angle). Concomitantly, surface EMG (Ambu Blue Sensor N, AMBU, Denmark) activity was assessed on vastus lateralis (VL) and biceps femoris (BF).
MVC and EMG data were sampled at 1500 Hz using a wireless system (TeleMyo and MyoResearch, Noraxon, Scottsdale, Arizona, USA), and analyzed using custom-made software.
Torque data were low-pass filtered (6 Hz) and gravity corrected. EMG signals were full-wave rectified and low-pass filtered (6 Hz), an analyzed as area under the curve (integrated EMG, iEMG) from 40 ms before to 10 ms after MVC. A combined measure of MVC (KE+KF) and iEMG (VL+BF), respectively, are presented in the present study, thus serving as an overall lower limb measure of muscle strength and neuromuscular activity, respectively, that can be put into context of the observed circulating BDNF (and S1P) levels. The separate values of muscle strength and neuromuscular activity for KE and KF have previously been published (Kjolhede et al., 2015) .
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