Clinical trials: Amplitude
Muscle Weakness
Effects of a Thoracic Manipulation on Hip Adductor, Extensor, and Latissimus Dorsi Force in Those With Adductor Weakness
The goal of this trial was to determine if a mid-thoracic high velocity low amplitude spinal manipulation improves force output in those with unilateral hip adductor weakness.
- Trial name
- NCT06534931
- Testing
- High velocity low amplitude thoracic spine manipulation
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of New England
Children Under General Anesthesia
Study on Changes of Pulse Oximeter Plethysmographic Amplitude Induced by Respiration in Pediatric Patients
The purpose of this study is to evaluate the variations of respiratory changes in pulse oximeter plethysmographic amplitude (delta POP) according to different contact forces between finger and sensor of pulse oximeter.
- Trial name
- NCT02940938
- Testing
- Applying pulse oximeter sensor
- Where
- South Korea
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Gender Role Disorder, Male to Female Type
Gender-specific aEEGs and Outcome in Preterms
Background and objectives: Male sex is a risk factor for poor neurodevelopmental outcome following preterm birth. The investigators aimed to investigate gender-related differences in amplitude-integrated electroencephalography…
- Trial name
- NCT01562236
- Where
- Austria
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Digital Technology, Healthy
A Vision-Based Characterization of Human Movement Scaling in Large-Amplitude Tasks
This pilot study investigates the feasibility of objectively quantifying movement amplitude and amplitude decay during large-amplitude exercises using RGB camera-based video analysis in healthy volunteers.
- Trial name
- NCT07387887
- Testing
- Large-Amplitude Exercise Observation and Video Recording
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Biruni University
Neuro-Ophthalmology
Safety and Normative Data With Neos™
The goal of this clinical study is to collect standard data for the medical device neos™. neos™ is a system that shows images and measures the resulting eye movements and pupil size. Collecting standard data involves three steps.
- Trial name
- neos-SNOW (NCT07258212)
- Where
- 3 sites in Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- machineMD AG
Healthy
Ocular Pulse Amplitude And Choroidal Laser Doppler Flowmetry
This study intends to investigate the relationship between choroidal blood flow and ocular pulse amplitude (OPA).
- Trial name
- NCT00409110
- Where
- Switzerland
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Healthy
L3/L4 High Velocity Low Amplitude Technique Influence On Baropodometric Pressures In Healthy Young Adults
In this double-blinded study, the objective is to determine the effects of bilateral High Velocity Low Amplitude (HVLA) technique on L3/L4 joint in baropodometric pressures in 60 healthy young adults.
- Trial name
- NCT04415996
- Testing
- HVLA L3/4
- Where
- Portugal
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Escola Superior de Tecnologia da Saúde do Porto
Schizophrenia
Effect of Repetitive Transcranial Magnetic Stimulation on Resting State Brain Activity in Schizophrenia
This study compares the efficacy of low and high frequency repetitive transcranial magnetic stimulation (rTMS) as a means of treating subjects with schizophrenia. Magnetic pulses delivered over the scalp cause brain activity.
- Trial name
- NCT01620086
- Testing
- Active Repetitive Transcranial Magnetic Stimulation 1 Hz, Active Repetitive Transcranial Magnetic Stimulation 10 Hz, Active control site Repetitive Transcranial Magnetic Stimulation at 1Hz
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Electrocardiographic Signal Acquisition
Effects of Electrode Preparation on 12-Lead ECG R-Wave Amplitudes
This study evaluated whether different methods of preparing the skin before a standard 12-lead electrocardiogram (ECG) affect the recorded ECG wave amplitudes.
- Trial name
- NCT07787104
- Testing
- Electrode Preparation
- Where
- Turkey (Türkiye)
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Insulin Resistance
Impact of Starch Digestibility on Glycemic Variability and Control, Cardiometabolic and Inflammatory Profiles, Microbiota and Intestinal Health in Subjects With Insulin Resistance
To study the potential impact of a diet rich in both Slowly Digestible Starch (SDS) and Resistant Starch (RS), we propose a 2-month nutritional intervention study in which we will study the evolution of carbohydrate variability…
- Trial name
- GLYMICARE (NCT07408479)
- Testing
- Balanced diet high in Slowly Digestible Starch and Resistant Starch, Balanced diet low in Slowly Digestible Starch and Resistant Starch
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mondelēz International, Inc.
Critical Illness Polyneuromyopathy
Reference Values for Compound Muscle Action Potential Amplitude Obtained by Direct Muscle Stimulation
Direct muscle stimulation (DMS) method is one of the electrodiagnostic methods used in the diagnosis of critical illness myopathy (CIM) and critical illness neuropathy (CIN).
- Trial name
- NCT04227548
- Testing
- needle electromyography
- Where
- Turkey (Türkiye)
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Adana City Training and Research Hospital
Hip Joint, Muscle Weakness
The Effect High Velocity Low Amplitude Hip Mobilization on Strength in Subjects With Lower Extremity Pathology
Introduction: Lower extremity weakness associated with musculoskeletal pathology can cause activity limitations. Physical therapy intervention in the form of exercise is commonly directed at improving muscular performance…
- Trial name
- NCT03115879
- Testing
- Hip mobilization, Hip manipulation simulation
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Faculdade de Ciências Médicas da Santa Casa de São Paulo
Cervical Dysfunction
Palpatory and Ultrasound Assessment of Cervical Dysfunctions and the Effect of Cervical High Velocity Low Amplitude (HVLA) Technique
Osteopathic medicine is a distinct school of medicine. Osteopathic physicians evaluate the neuromusculoskeletal system and work to achieve normal body mechanics. They use palpation to identify somatic dysfunctions.
- Trial name
- NCT02249858
- Testing
- Cranial Vault Hold, Cervical HVLA
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- New York Institute of Technology
Healthy Volunteers, Neurophysiology
Investigating the Transcutaneous vs. Transcranial Mechanisms of Trigeminal Nerve Stimulation (eTNS) Using fMRI
Transcutaneous Trigeminal Nerve Stimulation (eTNS) is a non-invasive technique that modulates brain activity by applying electrical currents to the forehead.
- Conditions
- Healthy Volunteers, Neurophysiology, fMRI Research
- Trial name
- NCT07657260
- Testing
- Topical Lidocaine, Direct Current eTNS (DC-eTNS)
- Where
- China
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Xidian University
Patellofemoral Pain Syndrome
Correlation Between the Amplitude of Ankle Dorsiflexion and Occurrence of Patellofemoral Pain Syndrome
The aim of this study was to verify the clinical reliability of ankle dorsiflexion range of motion (ADROM) measurement with weight bearing (WB) using an app on the smartphone (iHand) and to verify if there is correlation between…
- Trial name
- NCT03213015
- Testing
- Ankle dorsiflexion measurement
- Where
- Brazil
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Filipe Abdalla dos Reis
Healthy Subjects
A Study of Pressure and Flow Characteristics During Inspiration and Expiration Using BreatheMAX® in Healthy Subjects
the aim of this study are to explore the characteristics of mean airway pressure, oscillatory amplitude and power spectral density (PSD) of oscillatory airway pressure that generate by various loaded and flow rate during…
- Trial name
- PFBM (NCT02847416)
- Testing
- BreatheMAX breathing device
- Where
- Thailand
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
Ankle Joint Contracture, Knee Injuries and Disorders
Immediate Effects of Two Ankle Mobilization Techniques in the Amplitude of Dorsiflexion and Dynamic Valgus Knee
Dynamic knee valgus is an inadequate biomechanical movement of multifactorial cause that may expose the individual to various injuries. The range of motion of ankle dorsiflexion is one of the possible influencing factors.
- Trial name
- NCT03171233
- Testing
- Mobilization with movement, Self mobilization with movement
- Where
- Brazil
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Ceara
Altitude Hypoxia, Neonatal Encephalopathy
Neonatal Electrical Activity at Different Altitude Levels
In this study, the objective is to compare neonatal cerebral electrical activity within 3 days after birth across different altitude areas using amplitude-integrated electroencephalography (aEEG), and establish reference value…
- Trial name
- NCT05966714
- Testing
- aEEG
- Where
- 2 sites in China
- Volunteers
- 531 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Fudan University
Auditory Brainstem Response
Comparative Effects of Two Anesthetic Techniques on Auditory Brain Response in Children
This will be a prospective, blinded, cross-over study to compare the effects of two anesthetic techniques on the interpretability of auditory brainstem response testing in children.
- Trial name
- NCT02830815
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Apneas of Prematurity
The Effect of Stimulating Substances on Brain Activity of Preterm Infants
Introduction: Methylxanthines and doxapram have been widely used for the treatment of apneas of prematurity. Both substances have effects on the central nervous system.
- Trial name
- NCT01344317
- Where
- 2 sites in Austria
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna