Case Review: Arm Weakness Significantly Improved After Upper Cervical and Myofascial Treatment

by Son PMR(Physical medicine & Rehabilitation ) & Chiropractic Clinic in Seoul

A patient recently visited our clinic complaining of the following symptoms:

  • Tingling and weakness in the arm, especially when lifting the arm overhead

  • Notable weakness in forearm and wrist extension

  • Difficulty performing daily tasks like holding a cup or washing the face

Interestingly, the Spurling test—a standard orthopedic test used to assess cervical nerve root compression—was negative. MRI imaging did not reveal a significant herniated disc. However, functional examination showed:

  • Imbalance and joint restrictions in the upper cervical region (C1–C2)

  • Dysfunction and muscular tension in C2–C5 motion segments

  • Fascial tightness and guarding in the scalene muscles, especially the anterior and middle portions

Initial Treatment – Immediate Neurological Response

During the first visit, the patient received:

  • Upper cervical correction (C1–C2 alignment)

  • Segmental mobilization of C2–C5

  • Myofascial release of the scalene muscles

Immediately after treatment, the patient experienced a noticeable improvement in arm strength and reported a lighter sensation in the arm.

One Week Follow-Up – Strength Nearly Normalized

At the one-week follow-up, the patient showed near-complete recovery of strength in the affected arm.
The only remaining complaint was mild residual tingling in the fingertips, without any major limitations in daily activities.

The patient could now raise the arm without weakness or pain, and reported confidence in using the arm for routine tasks.

Clinical Interpretation – Functional Neurological Recovery

This case demonstrates a classic pattern of functional neurogenic weakness, not due to irreversible nerve damage, but from mechanical tension, joint misalignment, and fascial compression that impaired nerve conduction and motor output.

By restoring:

  • Structural balance in the upper cervical spine,

  • Segmental motion in the mid-cervical spine, and

  • Reducing fascial tension around the brachial plexus,

we facilitated rapid functional recovery without drugs or surgery.

Conclusion

Not all weakness or tingling in the arm stems from a visible disc herniation or nerve root compression.
Sometimes, dysfunction in the upper cervical spine or myofascial system can cause reversible nerve inhibition.

At Son’s Rehabilitation Medicine & Chiropractic Clinic, we focus not only on pain relief, but on restoring functional neurology through spinal correction, soft tissue treatment, and integrative care. 

👍Consultation and Appointment Information

Son PMR & Chiropractic Clinic( 2nd floor, 229-1 Gucheonmyun-Ro, Gangdongu, Seoul, South Korea) 

by  Dr Son MD & DC 
Contact: 02-482-8875 in Seoul( +82-2-482-8875)

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