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Key Takeaway

Counterstrain and FPR are passive, indirect techniques that reduce hyperactive muscle spindle gamma-loop activity. Counterstrain requires finding a tenderpoint, establishing a 10/10 pain scale, positioning into EASE until pain drops by ≥70%, holding for 90 SECONDS (120 sec for ribs), and PASSIVELY returning to neutral. FPR flattens the curve, adds a compressive/distractive vector, positions into ease, and holds for only 3–5 SECONDS.

Neurophysiology & Mechanism

Developed by Lawrence Jones, DO, Counterstrain addresses hyperactive muscle spindle reflexes. When a muscle is rapidly stretched, muscle spindle Ia afferents fire, triggering alpha motor neuron activation and reflex shortening (spasm) of the agonist muscle.

Modality FeatureCounterstrain (Jones)Facilitated Positional Release (FPR)
ClassificationPassive, Indirect.Passive, Indirect.
Target ReflexResets hyperactive gamma motor neuron / muscle spindle loop.Resets muscle spindle Ia afferent discharge via axial loading.
Initial PositioningPlaced into point of maximum ease (comfort).Flatten sagittal curve -> add vector force (compress/traction) -> place in ease.
Hold Duration90 SECONDS (120 seconds for Rib points / Pelvic points).3 to 5 SECONDS (rapid release!).
Return to NeutralPASSIVE (Patient MUST remain completely relaxed!).PASSIVE return to neutral.

Standard Counterstrain 6-Step Protocol

  1. Step 1: Locate the specific tenderpoint (small, tense 2-3 mm nodule in tendon, ligament, or muscle belly).
  2. Step 2: Establish a pain scale (assign initial exquisite tenderness as 10/10 or 100%).
  3. Step 3: Passively position the patient into the position of maximum ease (comfort) until pain drops by at least 70% (3/10 or 0/10). Maintain light monitoring finger on tenderpoint.
  4. Step 4: Hold the position of ease for 90 SECONDS (120 seconds for Rib tenderpoints). Do NOT press hard on the point during the 90-second hold.
  5. Step 5: PASSIVELY return the patient to the anatomical neutral position. The patient MUST NOT actively assist in returning to neutral!
  6. Step 6: Re-evaluate the tenderpoint (target ≤ 3/10 tenderness remaining).

Master Counterstrain Setup Matrix

Tenderpoint LocationAnatomical LandmarkCounterstrain Treatment Position
AC1 (Anterior Cervical 1)Posterior margin of ascending ramus of mandible.Rotate Away (RA) — E.g., Right AC1 = Rotate Left.
AC7 (Anterior Cervical 7)Clavicular head of Sternocleidomastoid (SCM).Flexion, Sidebend Towards, Rotate Away (F STR STAR).
AC2–AC6Anterior tip of transverse process.Flexion, Sidebend Away, Rotate Away (F SARA).
PC1 SuboccipitalInion / Superior nuchal line.Extension only (E).
PC3Inferior tip of C2 spinous process.Flexion, Sidebend Away, Rotate Away (F SARA).
Anterior Rib 1 (AR1)Below clavicle at sternal border (1st costal cartilage).Flexion, Sidebend Towards, Rotate Towards (F STRT).
Anterior Rib 2 (AR2)2nd rib at midclavicular line.Flexion, Sidebend Away, Rotate Away (F SARA).
Posterior Rib 1 (PR1)Posterolateral angle of 1st rib.Extension, Sidebend Away, Rotate Towards (E SART).
Posterior Ribs 2–10Posterior rib angle.Extension, Sidebend Away, Rotate Away (E SARA).
Psoas (Anterior Lumbar)2 inches medial to ASIS (deep in iliac fossa).Flexion, Sidebend Towards, Rotate Away (F STRT / Bilateral Hip Flexion).
IliacusDeep in iliac fossa 1/3 distance from ASIS to pubic symphysis.Supine, Hip Flexion & External Rotation (Frog-leg position).
PiriformisMidway between ILA of sacrum and Greater Trochanter.Prone, Hip Flexion (90°), Abduction, and External Rotation (FAR/FADER).

Facilitated Positional Release (FPR) Protocol

FPR is a rapid passive indirect technique developed by Dr. Stanley Schiowitz. It uses axial compression or traction to unload the muscle spindle Ia afferents, permitting treatment in just 3 to 5 seconds.

  1. Step 1: Neutralize the sagittal posture curve (e.g., flatten thoracic kyphosis or lumbar lordosis).
  2. Step 2: Apply a facilitating vector force (axial compression or axial traction).
  3. Step 3: Passively place the segment into the position of ease across all 3 planes (Flexion/Extension, Sidebending, Rotation).
  4. Step 4: Hold position for 3 to 5 SECONDS.
  5. Step 5: Passively return segment to neutral and re-evaluate.

High-Yield Board Traps & Practice Drills

Q: What happens if a patient actively contracts their neck muscles while returning to neutral after Counterstrain?

A: The treatment fails! Active muscle contraction re-triggers the hyperactive muscle spindle Ia afferents, reinstating the tenderpoint and muscle spasm.

Q: What is the treatment setup for AC7 tenderpoint?

A: F STR STAR (Flexion, Sidebend Towards, Rotate Away). AC7 is located at the clavicular head of the SCM.

Q: How long is a Counterstrain position held for Rib tenderpoints vs. Standard spinal tenderpoints?

A: Standard spinal/muscle tenderpoints = 90 SECONDS. Rib tenderpoints = 120 SECONDS.

Source

Based on the publicly available table of contents and topic organization of OMM Review: A Comprehensive Review of Osteopathic Medicine. All notes are original; no copyrighted text, figures, or full source material is included.