Vicon mx

Manufactured by Oxford Metrics

Sourced in United Kingdom

The Vicon MX is a high-performance motion capture system designed for industrial, medical, and research applications. It utilizes a network of specialized cameras to precisely track and record the movements of subjects or objects within a defined space. The Vicon MX system captures detailed 3D data that can be used for various analytical purposes, without providing interpretation or intended use.

Automatically generated - may contain errors

Lab products found in correlation

Two force plates, by Amti (1 mentions) Visual 3d software, by C-Motion (1 mentions)

6 protocols using vicon mx

Kinematic Analysis of Pedaling Cadence

Check if the same lab product or an alternative is used in the 5 most similar protocols

3D kinematic data were obtained with a motion analysis system with 8 infrared cameras (Vicon MX, Oxford Metrics, UK) at a sampling rate of 100 Hz. Thirty-seven reflective markers were positioned on the subject's body landmarks: 35 according to the Plug-In-Gate model (Davis, Ounpuu, Tyburski, & Gage, 1991) which were used to drive a musculoskeletal simulation in OpenSim, and 2 additional markers on the right and left greater trochanter for the computation of BCoM.
After a period of familiarization with the rhythm imposed by a metronome, participants performed one minute of pedalling at 4 different cadences (50-70-90-110 rpm) in randomized order on NB and RB. Moreover, one minute of pedalling against no external resistance (freewheel pedalling) was performed in order to measure the time course of pedal crank angular velocity at self-selected pedalling frequency. Bicycles were stationary, placed on rollers with a constant resistance, and instrumented with an SRM powermeter (Powermeter, SRM, Germany). A digital visual feedback positioned on the bicycle provided the cyclist with the current adopted cadences. At the same cadence ! W EXT was equal in both bicycles, but it increased with pedalling frequency.
Seat to pedal distance (SPD, see Figure 1) was adjusted to 100% of trochanteric leg length, for both NB and RB.

Telli R., Seminati E., Pavei G, & Minetti A.E. (2017). Recumbent vs. upright bicycles: 3D trajectory of body centre of mass, limb mechanical work, and operative range of propulsive muscles. Journal of sports sciences, 35(5).

+ Open protocol

+ Expand

Preoperative Gait Analysis and Knee Laxity

Check if the same lab product or an alternative is used in the 5 most similar protocols

Gait data were collected before ACL reconstruction surgery. The measurements were performed by an eight-camera VICON system (Vicon MX, Oxford Metrics, UK) and two force plates (AMTI, Watertown, Massachusetts, USA; 1000 Hz). Retroreflective markers were placed according to the biomechanical model of Helen Hayes [18 (link)]. Participants were asked to walk on a level floor (approximately 10 meters long) at a self-selected speed. All patients had no pain feeling during walking.
Preoperative side-to-side difference in anterior laxity was measured by a KT 2000 arthrometer (MRS, KneelaxIII, Holland) at 132 N force under general anesthesia, and preoperative isokinetic muscle moment of knee extensor and flexor in the affected and unaffected knees were measured by an isokinetic dynamometer (Con-Trex MJ, Germany) at the angular velocity of 60°/s. The average peak flexion and extension moments were normalized by body mass (Nm/kg).

Huang H., Yin W., Ren S., Yu Y., Zhang S., Rong Q, & Ao Y. (2019). Muscular Force Patterns during Level Walking in ACL-Deficient Patients with a Concomitant Medial Meniscus Tear. Applied Bionics and Biomechanics, 2019, 7921785.

+ Open protocol

+ Expand

Investigating Backpack Carriage Effects on Gait

Check if the same lab product or an alternative is used in the 5 most similar protocols

A 3D motion analysis system with 12 cameras (VICON MX, Oxford Metrics Group, Oxford UK) and five synchronized force plates (Kistler Winterthur, Switzerland, 40x60cm) were used for simultaneously capturing kinematic and kinetic data during level walking with different configurations of backpack carriage. The skin marker configuration was adopted from List et al. [19 (link)], except for three markers on the sacrum which could not be placed on the subjects because of backpack carriage (Figure 1). The skin markers were positioned by the same observer for all trials. The joint centers were functionally determined from the trajectories of the skin markers during basic motion tasks according to an established protocol [19 (link)]. Following the initial trials of basic motion tasks, each subject conducted eight trials of level walking, including six trials with different backpack configurations and one preassessment and one postassessment of level walking without backpack carriage. The participants were instructed to walk at their own comfortable, self-selected speed. At least five valid double steps were recorded in each trial.

Oberhofer K., Wettenschwiler P.D., Singh N., Ferguson S.J., Annaheim S., Rossi R.M, & Lorenzetti S. (2018). The Influence of Backpack Weight and Hip Belt Tension on Movement and Loading in the Pelvis and Lower Limbs during Walking. Applied Bionics and Biomechanics, 2018, 4671956.

+ Open protocol

+ Expand

Gait Kinematics and Kinetics Assessment

Check if the same lab product or an alternative is used in the 5 most similar protocols

The infrared motion capture system (VICON MX; Oxford Metrics, Oxford, UK) with 10 cameras was used to collect kinematic data at a sampling frequency of 100 Hz. Thirty-five reflective markers were attached bilaterally to bony landmarks of both lower extremities to define hip, knee, and ankle joints according to the plug-in gait marker set (Zhang, Xia, Dai, Sun, & Fu, 2018) . Two three-dimensional (3D) force platforms (Kistler 9287B; Kistler Corporation, Winterthur, Switzerland) were used to collect ground reaction force data at a sampling frequency of 1,000 Hz. The infrared motion capture system was synchronized with two 3D force platforms.
Each participant was requested to perform standard BKTS and normal walking, and his feet fell on two independent platforms, respectively. Participants were asked to walk with normal speed and perform BKTS with the same music. Three valid trials were collected for each action of each participant. The kinematics and kinetics data were processed using Visual 3D software (C-Motion, Germantown, MD). Low-pass, fourth-order Butterworth filter was used to filter kinematics data with 8 Hz and 50 Hz to filter the kinetics data (Brown, Zifchock, Hillstrom, Song, & Tucker, 2016) (link).

Duan J., Wang K., Chang T., Wang L., Zhang S, & Niu W. (2020). Tai Chi Is Safe and Effective for the Hip Joint: A Biomechanical Perspective. Journal of aging and physical activity, 28(3).

+ Open protocol

+ Expand

Validation of Photogates for Height Measurements

Check if the same lab product or an alternative is used in the 5 most similar protocols

Photogates were tested for validity by comparing the Vicon (Vicon MX, Oxford Metrics, UK, 2009; 26-camera motion capture system at 120 Hz) measured height of a 14 mm marker (attached to a rigid object) passed over a step edge, to the marker height measured concurrently by photogates abutted to the step edge over 150 trials. The marker was affixed to the bottom of a rigid object and was passed linearly over the step edge in an anterior direction, such that the marker would break the photogates first as opposed to the rigid object (Figure 1A).

Skervin T.K., Thomas N.M., Schofield A.J., Hollands M.A., Maganaris C.N., O’Brien T.D., Baltzopoulos V, & Foster R.J. (2023). Accuracy and Precision of a Novel Photogate System to Measure Toe Clearance on Stairs. Sensors (Basel, Switzerland), 23(5), 2429.

+ Open protocol

+ Expand

Gait Analysis of Barefoot Children

Check if the same lab product or an alternative is used in the 5 most similar protocols

Children were routinely asked to walk barefoot in a natural manner and self-selected speed. The measurements were performed using a ten-camera motion analysis system (Vicon^® MX, Oxford Metrics, Oxford, UK) and four force platforms (AMTI^®, Watertown, MA, USA) embedded in a walkway of 10 m length. Standardized marker placement was performed according to Davis’s protocol [24 (link)]. Motion capturing included at least five valid trials for each side. Spatio-temporal parameters, joint angle motion, internal joint moments and powers were obtained for ankle, knee and hip at each trial using Vicon Clinical Manager (VCM, Vicon^®, Oxford Metrics, Oxford, UK). The average parameters from five valid trials were calculated for further analysis.

Habersack A., Fischerauer S.F., Kraus T., Holzer H.P, & Svehlik M. (2022). Kinematic and Kinetic Gait Parameters Can Distinguish between Idiopathic and Neurologic Toe-Walking. International Journal of Environmental Research and Public Health, 19(2), 804.

+ Open protocol

+ Expand

About PubCompare

Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.

We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.

However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.

Ready to get started?

Revolutionizing how scientists
search and build protocols!