Acoustic myography (AMG) and the SOFi M²™ system from Advanced Myographic Technologies, LLC are reshaping sports medicine and rehabilitation by giving clinicians something they’ve never had before: real‑time, motion‑based insight into how muscles actually work during activity, not just in a lab or on a table.
Below is a clear, structured breakdown of how these technologies are changing the field and why they matter.
How Acoustic Myography Is Transforming Sports Medicine
- A New Window Into Muscle Function
AMG measures the pressure waves produced by contracting muscle fibers. Unlike EMG, which focuses on electrical activity, AMG captures the mechanical side of muscle performance—how fibers recruit, coordinate, and sustain force.
AMG provides three core metrics:
- S‑score (Spatial recruitment): How many fibers are being activated
- O/T‑score (Temporal activity): How long fibers stay active
- E‑score (Efficiency): How effectively fibers cycle during movement
These metrics reveal:
- Subtle neuromuscular deficits
- Early signs of fatigue
- Compensatory patterns
- Muscle imbalance long before injury occurs
This is the kind of information clinicians usually only get from lab‑grade equipment—now available in the field.
How the SOFi M²™ System Changes the Game
Advanced Myographic Technologies took AMG from a research tool to a portable, clinical‑grade platform.
Key Innovations
- Wireless, lightweight sensors (about 10 grams)
- Real‑time BSP scoring (Balance, Strength, Performance)
- Cloud analytics + mobile app for instant interpretation
- FDA 510(k)‑exempt classification, simplifying adoption
- Use during full‑motion activity—running, jumping, riding, lifting
This means clinicians can evaluate athletes in the actual movement patterns that matter.
Impact on Sports Medicine
- Early Injury Detection
AMG identifies:
- Asymmetry between left/right muscle groups
- Poor fiber recruitment
- Inefficient firing patterns
- Overuse signatures
This allows intervention before pain or structural injury appears.
- Objective Return‑to‑Play Decisions
Instead of relying on subjective strength tests, SOFi M²™ provides:
- Quantitative muscle balance
- Efficiency recovery curves
- Coordination metrics
This reduces reinjury risk and supports evidence‑based clearance.
- Precision Rehabilitation
Therapists can see:
- Whether the correct muscles are activating
- Whether compensations are forming
- How fatigue changes recruitment patterns
Rehab becomes targeted, measurable, and adaptive.
- Real‑Time Biofeedback
Athletes can watch their muscle activation patterns change as they perform exercises, accelerating motor relearning.
- Performance Optimization
Coaches use AMG to:
- Tune technique
- Improve muscle efficiency
- Monitor training load
- Detect early fatigue
This is especially valuable in sports requiring fine motor control—equestrian, gymnastics, cycling, golf, and more.
Why This Matters for Rehabilitation
AMG + SOFi M²™ shift rehab from:
- Reactive → Proactive
- Subjective → Objective
- Static testing → Dynamic, movement‑based assessment
Clinicians gain a continuous, data‑driven picture of recovery, not just snapshots.
Why Advanced Myographic Technologies, LLC Is Leading This Space
AMT has positioned itself as the primary commercial provider of AMG technology by:
- Holding exclusive rights to SOFi™ technology
- Building a clinically friendly platform
- Supporting human, equine, and canine sports medicine
- Integrating cloud analytics for scalable use
- Offering a tool that fits seamlessly into sports clinics, PT practices, and performance centers
Their approach bridges biomechanics, neuromuscular science, and practical clinical workflow.

