1. Established
1.1. Research Methods
1.1.1. CoPPs Statement
1.2. Qualitative
1.2.1. Qualitative Research
1.2.2. Behavioural Evaluation
1.3. Neurological
1.3.1. Quantitative Sensory Testing
1.3.2. Electromyography
1.3.2.1. Electromyography
1.3.2.2. High-density Electomyography
1.3.3. Electroencephalogram
1.3.4. Microneurography
1.4. Psychology
1.4.1. Psychophysiology
1.5. Vascular
1.5.1. Near-infrared Spectroscopy
1.5.2. Microvascular Imaging
1.6. Cellular/Metabolic
1.6.1. Histology
1.6.2. Immunohistochemistry
1.6.3. Electrophysiology
1.6.4. ELISA & Western Blot
1.7. Imaging
1.7.1. Ultrasound Imaging
1.7.1.1. Ultrasound Elastography
1.7.1.2. Doppler Ultrasound Imaging
1.7.2. Magnetic Resonance Imaging
1.7.2.1. Magnetic Resonance Imaging
1.7.2.2. Functional Magnetic Resonance Imaging
1.7.2.3. Magnetic Resonance Elastography
1.7.3. Fluoroscopy
1.7.4. Magnetoencephalography
1.7.5. Thermal Imaging
1.8. Movement Analysis
1.8.1. Videoradiography
1.8.2. Optical Motion Capture
1.8.3. Linkage Systems
1.8.4. Electromagnetic System
1.8.5. Markerless Tracking
1.8.6. Inertial Measurement Units (IMU)
1.9. Applied Force/Deformation
1.9.1. Digital Image Correlation (DIC)
1.9.2. Skin Deformation Modelling
1.9.3. Force and Pressure
1.9.3.1. Algometry
1.9.4. Mechanomyography
1.9.5. Other Kinetic Methods
1.9.5.1. Linear Motor
1.9.5.2. Parallel Robotics
1.9.5.3. Indentation
2. Emerging
2.1. Sensors
2.1.1. Biofeedback
2.1.2. Wearable Sensors
2.2. Genetics
2.2.1. Gene Editing
2.2.2. Optogenetics
2.2.3. Microscopy
2.3. Imaging
2.3.1. Optical Imaging
2.3.2. Positron Emission Tomography
2.3.3. Surface Imaging
2.3.4. Magnetic Resonance Fingerprinting
2.4. Artificial Intelligence
2.4.1. Machine Learning
2.4.2. Word2Vec Natural Language Processing
2.5. Micromorphology
2.5.1. Microfluidics
2.5.2. Nanoparticles
2.5.3. Bioprinting
2.6. Augmented (AR) & Virtual (VR) Reality
2.6.1. Augmented & Virtual Reality
2.7. Contextual Effects
2.7.1. Placebo Effect
2.8. Blocks
2.8.1. Nerve Blocks
2.9. Computational Modeling
2.9.1. Finite Element Analysis
2.9.2. Musculoskeletal Modeling