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Codamotion
Stevens Point Orthopedics
The subject’s treatment plan initially included isolated exercise to improve her ability to utilize hip flexion without lumbar spine compensatory motion. This was done in conjunction with intrinsic hip flexor, lateral rotator, and abductor muscle strengthening. After successfully improving the above movements and weaknesses, further functional and integrated strengthening movements were performed to improve her trunk and hip control both bilaterally and while on a single leg to best replicate the stability that would be needed while running competitive distances. She was also instructed on improving her anterior trunk lean while training during her runs.
Sex influences the relationship between hamstrings-to-quadriceps strength imbalance and co-activation during walking gait
While traditionally viewed as a beneficial adaptation to preserve stability in the presence of knee pathology, excessive muscle co-activation may be detrimental for joint health when extrapolated to repetitive movement patterns over time. Lesser hamstrings strength relative to the quadriceps (low H:Q strength ratio) may influence neuromuscular patterns about the knee, as it is reported to increase risk for lower extremity injury among healthy females.
Resilience Code
Kinematic strategies and focus on timing/temporal parameters in Gait Report as well as lateral shift (symmetry) as well as impulses off metatarsals using 10zone model were imperative for driving readiness. Once shift was within reasonable limits with standard deviations <+/-5cm progress to running was completed under trainer guidance. In running, positioning (external placement asymmetries), posture and contacts were addressed to continue progression and training program.
Effect of jaw clenching on postural adjustments to a predictable external perturbation
This study investigated the effect of jaw clenching on anticipatory postural adjustments (APAs) and reactive postural adjustments (RPAs). Eight healthy adults were exposed to predictable external perturbations with and without submaximal jaw clenching. We recorded the three-dimensional body kinematics, ground reaction forces, and electromyography (EMG) of 12 muscles. EMG onset, integrated EMG, and positions of the center-of-mass (COM) and center-of-pressure (COP) during the anticipatory and reactive phases of postural adjustments were computed and compared for the jaw clenching and control conditions. Jaw clenching resulted in an earlier onset of APAs and a greater amplitude of trunk and lower limb EMG activities in the APAs and RPAs. There were no differences in the COM and COP displacements after the perturbation. Jaw clenching is effective for enhancing APAs and RPAs, although it may not increase postural stability following predictable external perturbation in healthy adults.
Ultium EMG
Electromyography (EMG) measures muscle response or electrical activity in by way of a nerve's stimulation of the muscle. In particular, Surface EMG signals are recorded by non-invasive electrodes and assesses muscle function by recording muscle activity from the surface above the muscle on the skin. Thee EMG signals are becoming increasingly important in many applications, including clinical/biomedical, prosthesis and other rehabilitation devices.
2021 User Group Meeting Recap
We had such a great time at the 2021 Noraxon User Group Meeting. This year we had an incredible lineup of inspiring speakers & Noraxon users from different walks of life. This event gave novice & experienced users a chance to learn, grow, and network with people who they might not otherwise have the chance to meet with. We’re looking forward to doing it again next year!
Concurrent validity and within-session reliability of gait kinematics measured using an inertial motion capture system with repeated calibration
A frequently calibrated IMU system provides reliable gait measurements; comparing highly to OMC after removing modelling differences. Calibration poses can be implemented accurately for most angles and consistently. IMU-measured gait data are clinically useful and comparable within participants, but should not be compared to OMC-measured data.
To Analyze Running Form, Look at the Big Picture
Imagine trying to explain how to run to someone who’d never done it before—the incredibly complex sequence of forces and joint angles and muscle contractions that you need to coordinate in exactly the right order. That complexity is why it’s really hard to build a robot that can run on two legs, and it’s also why attempts to improve running form by tweaking a joint here or an angle there have generally backfired.
Gluteal Muscle Activation During Common Yoga Poses
Half Moon Pose and Warrior Three Pose elicited the highest activation for both the gluteus maximus and the gluteus medius. Higher gluteus medius activation was seen in males and inexperienced subjects compared to their female and experienced counterparts.
Introducing Ultium Motion
Ultium Motion, Noraxon’s next-generation inertial motion capture system, is equipped with a patent-pending state-of-the-art sensor design that delivers accurate & reliable kinematic data for all types of movement – including high velocity and high impact conditions – while maintaining the advantages of the multi-device myoRESEARCH software platform through the universal connectivity of the Ultium receiver.
Improving Human Activity Recognition Performance by Data Fusion and Feature Engineering
This study proposes a feature selection method that can obtain feature subsets for HAR as well as a sensor-to-segment coordinate alignment algorithm and a joint angle estimation algorithm. Comparing with other feature selection algorithms, the proposed algorithm can greatly discard features and maintain comparable classification performance. The sensor coordinate calibration algorithm is proved to be beneficial for HAR.
Dynamically measure feet through entire heel to toe contact
Sally Crawford of Resilience Code uses a Kintread Pressure Treadmill to dynamically measure feet through entire heel to toe contact in order to help improve overall foot health with comfortable shoes & optimal orthotics. Pairing barefoot dynamic structure and footwear....in motion. A static shoe or orthotic fit to match one frame of gait is good but what if you can measure dynamically through entire heel to toe contact and pair to your most ...
To Analyze Running Form, Look at the Big Picture
Imagine trying to explain how to run to someone who’d never done it before—the incredibly complex sequence of forces and joint angles and muscle contractions that you need to coordinate in exactly the right order. That complexity is why it’s really hard to build a robot that can run on two legs, and it’s also why attempts to improve running form by tweaking a joint here or an angle there have generally backfired.
Introducing Ultium Motion
Ultium Motion, Noraxon’s next-generation inertial motion capture system, is equipped with a patent-pending state-of-the-art sensor design that delivers accurate & reliable kinematic data for all types of movement – including high velocity and high impact conditions – while maintaining the advantages of the multi-device myoRESEARCH software platform through the universal connectivity of the Ultium receiver.
Dynamically measure feet through entire heel to toe contact
Sally Crawford of Resilience Code uses a Kintread Pressure Treadmill to dynamically measure feet through entire heel to toe contact in order to help improve overall foot health with comfortable shoes & optimal orthotics. Pairing barefoot dynamic structure and footwear....in motion. A static shoe or orthotic fit to match one frame of gait is good but what if you can measure dynamically through entire heel to toe contact and pair to your most ...
Ergonomic Analysis of Workers During Cannabis Cultivation Activities to Reduce Musculoskeletal Injury
The National Cannabis Risk Management Association (NCMRA) is interested in minimizing the strain undergone by cannabis workers, specifically at the trimming station, to reduce repetitive motion injuries and ensure worker safety. The team determined that creating an ergonomic table would best improve worker safety.
Noraxon Presenting Information in an Integrated Care Environment
Sally Crawford explores how to present information in an integrated care environment and showcases her experience using technology to enhance integrated care and precision medicine through case studies.
Ultium EMG
Electromyography (EMG) measures muscle response or electrical activity in by way of a nerve's stimulation of the muscle. In particular, Surface EMG signals are recorded by non-invasive electrodes and assesses muscle function by recording muscle activity from the surface above the muscle on the skin. Thee EMG signals are becoming increasingly important in many applications, including clinical/biomedical, prosthesis and other rehabilitation devices.
Introducing Ultium Motion
Ultium Motion, Noraxon’s next-generation inertial motion capture system, is equipped with a patent-pending state-of-the-art sensor design that delivers accurate & reliable kinematic data for all types of movement – including high velocity and high impact conditions – while maintaining the advantages of the multi-device myoRESEARCH software platform through the universal connectivity of the Ultium receiver.
Noraxon : MR3 software, New Features & Updates
Zach Scarano, Director of Product Management Noraxon, discusses the new features and updates that are available in the latest version of MR3, unified software solution.
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