Learn precise Chapman point landmarks, compare published maps, and use clinical evidence to interpret symptoms, laboratory findings, and treatment responses.
A tender spot can suggest an osteopathic map association. It cannot tell you a hormone concentration, identify an infecting organism, or exclude an emergency. Learn the landmarks precisely, then keep point recognition separate from diagnosis and treatment of the patient’s illness.
Describe the tissue before interpreting the organ
Chapman reflexes are traditionally described as small, tender fascial nodules or areas of altered tissue texture with mapped anterior and posterior visceral associations. Frank Chapman’s work was subsequently described and developed by other osteopathic physicians. The term neurolymphatic reflects the historical interpretation of these findings. It does not mean the examiner is palpating an autonomic ganglion, a lymph node, or a histologically proven organ-specific receptor. AACOM’s definition explicitly presents the visceral relationship as an assumed interpretation. [1][5]
A localized myofascial trigger point is associated with a taut skeletal-muscle band and can reproduce referred pain. [19] A counterstrain tender point is used to guide a comfortable indirect treatment position. A Chapman point belongs to a different mapped reflex system. All may be tender, but tenderness alone cannot tell you which model applies. Describe location, tissue quality, pressure sensitivity, and reproduction of familiar symptoms before selecting a label.
Anterior points are often emphasized for examination, and posterior points for treatment in traditional teaching. That is a customary emphasis, not a rule that anterior points must never be treated. A published sinusitis pilot included anterior point massage. Neither anterior nor posterior findings replace appropriate clinical evaluation, and bilateral tenderness does not automatically carry a validated higher diagnostic weight. [1][8]
Use the word association carefully. A thyroid-associated point cannot distinguish hypothyroidism from hyperthyroidism. A chest point cannot determine whether pain is ischemic. A point that becomes less tender after treatment does not prove the associated organ has recovered. These distinctions allow the map to be learned without turning it into an unsupported laboratory test.
Try it here · Checkpoint 1 of 3
Make your prediction before reading the choices. A first attempt is just a starting point.
Case 2
Show answer and explanations for case 2
A. A counterstrain tender point established uniquely by its distant referral pattern (Why this does not fit)
Counterstrain points guide indirect positioning; the taut band with reproduction of referred pain more specifically fits the trigger-point description.
B. A visceral referred-pain diagnosis established from muscle tenderness alone (Why this does not fit)
Muscle tenderness can coexist with visceral disease, but this examination pattern does not establish such a cause.
C. A myofascial trigger point (Best answer)
A taut muscle band with reproduction of referred pain favors a trigger-point description.
D. A definite gastric Chapman point (Why this does not fit)
The stem describes trapezius muscle behavior rather than a mapped gastric site.
Takeaway: Tender point systems are distinguished by anatomy and behavior, not tenderness alone.
Build an anterior map from rib and space landmarks
Count an intercostal space from the rib above it. The second intercostal space is between ribs 2 and 3. The upper edge of rib 2 lies below the first intercostal space. “Second rib,” “second intercostal space,” and “near the sternum” are therefore not equivalent addresses. Record the rib or space, side, and distance or surface relationship. A map with only colored dots and no readable landmarks is not enough.
Two paths down the front of the chest
Patient’s right
Third space, upper lung. Fourth space, lower lung. Fifth and sixth spaces, liver region. Sixth space, gallbladder association. Seventh space, pancreas in the map used by the endoscopy study.
Patient’s left
Third space, upper lung. Fourth space, lower lung. Fifth space, gastric acid association. Sixth space, gastric peristalsis association. Seventh space, spleen in the map used by the endoscopy study.
Each label is a traditional association, not the organ’s physical surface projection or a diagnostic result. The side-specific comparison follows the primary endoscopy study’s map. The ACOFP chest-pain table also lists sixth or seventh-space variation for pancreas and spleen. [3][4]
Separate the crowded upper chest addresses
The ACOFP HEENT table places nasal sinus points along the upper edge of the second ribs, 7 to 9 cm lateral to the sternum. Tonsillar points are in the first intercostal spaces adjacent to the sternum. The same table places pharyngeal points on the first ribs, 3 to 4 cm medial to where they emerge beneath the clavicles, and laryngeal points on the second ribs, 5 to 7 cm lateral to the sternocostal junction. The middle-ear association is near the superior/anterior clavicle just lateral to its crossing of the first rib. [2]
Other teaching sources use broader first-space sinus descriptions. Do not turn the original page’s unsupported upper-versus-lower sinus subdivisions into new anatomical facts. When a question tests an exact location, specify the convention. At the second intercostal level, thyroid, bronchial, esophageal, and cardiac associations overlap across maps. The left second-space cardiac point is a familiar convention, but a tender second space alone is not uniquely cardiac, thyroid, or esophageal. [3][4][7][8]
Keep the abdominal and thigh maps separate
Lower intercostal small-intestine associations are commonly described across spaces 7 through 10; the primary endoscopy study explicitly assessed spaces 8, 9, and 10. These should not be replaced by a vague periumbilical small-intestine dot. The anterior appendix association is the tip of the right twelfth rib. That point is distinct from the cecal association on the proximal right anterior iliotibial region. It is also distinct from McBurney tenderness in a clinical abdominal examination. [3][4]
Anterior iliotibial region in the endoscopy study’s map
Thigh level
Right
Left
Thigh levelProximal third
RightCecum
LeftSigmoid
Thigh levelMiddle third
RightAscending colon
LeftDescending colon
Thigh levelDistal third
RightHepatic flexure and proximal transverse colon
LeftSplenic flexure and distal transverse colon
Read that table as a surface map. The colon does not anatomically extend into the thigh. Also distinguish anterior from posterior IT-band surfaces. In the same study’s map, the posterior surface is associated with the broad ligament or prostate, not the same colon subdivisions. A broad “lateral thigh” description can be ambiguous unless the surface and level are stated. [4]
Use the umbilicus as a reference, not the organ’s location
Adrenal association
About 2 to 2.5 inches superior and 1 inch lateral on each side, depending on the named teaching map.
Kidney association
About 1 inch superior and 1 inch lateral on each side. This is more precise than “lateral to rectus.”
Bladder association
Periumbilical tissue. Do not extend it indiscriminately to every suprapubic or pubic landmark.
These measurements describe traditional surface points, not palpable adrenal glands or kidneys. The bladder’s periumbilical association is also described in the urinary-retention case report. [5][6][7]
Pelvic points require their own terminology. Common teaching places the ovary/testis association at the pubic bone or superior pubic ramus region, not at the ASIS. Urethral points also occupy a pubic region in some charts. The AAO historical review describes the uterus anteriorly near the pubic ramus-ischial junction, corresponding to the medial obturator border, and posteriorly along the iliolumbar region. These crowded or variable sites should not be used as unique organ identifiers from an imprecise stem. Palpation of sensitive regions requires a clinically appropriate indication, consent, and respectful examination. [5][7]
Find posterior levels without pretending to palpate a ganglion
Posterior descriptions commonly refer to soft tissues near transverse processes or between adjacent vertebral levels. SP means spinous process and TP means transverse process. A spinal level on a Chapman chart is not automatically the entire autonomic innervation range of its associated organ. Distinguish a mapped point, segmental somatic dysfunction, and a visceral afferent distribution.
Posterior comparison using the cited professional teaching maps
Association
Posterior region
AssociationNasal sinus, pharynx, larynx
Posterior regionC2 between midline and transverse-process tip
AssociationMiddle ear
Posterior regionPosterior C1 transverse-process region
AssociationThyroid
Posterior regionT2 region between spinous and transverse process
AssociationHeart
Posterior regionT2 lamina/transverse-process region in the ACOFP table; T3 TP in the Elsevier teaching map
AssociationBronchi / esophagus
Posterior regionT2 TP in the Elsevier teaching map
AssociationUpper lung / lower lung
Posterior regionT3-T4 / T4-T5 transverse-process regions
AssociationGastric acid / gastric peristalsis
Posterior regionLeft T5-T6 / left T6-T7 regions
AssociationLiver / gallbladder
Posterior regionRight T5-T6 and T6-T7 / right T6-T7 region
AssociationSpleen / pancreas
Posterior regionLeft / right T7-T8 region
AssociationSmall intestine
Posterior regionT8-T11 region
AssociationLarge intestine
Posterior regionL2-L4 TP region in the Elsevier teaching map
AssociationProstate
Posterior regionPosterior superior iliac spine region in that map
AssociationOvary/testis
Posterior regionT9-T10 region between spinous and transverse processes in the AAO historical review
AssociationUterus
Posterior regionIliolumbar ligament region in that review
AssociationAdrenal / kidney / bladder
Posterior regionT11-T12 region / T12-L1 region near L1 TP / L2 TP region
These regional descriptions reconcile the interspace and single-TP shorthand used by different sources. They do not establish millimeter-level reproducibility. The ACOFP chest-pain table lists appendix at T12 TP, while other teaching maps list T11; neither variation should become a false single-best-answer contest without specifying the map. Likewise, describe tonsillar posterior tissue as the C1 posterior region rather than copying a “C1 spinous process” that does not exist as a conventional spinous process. [2][3][5][6][7][16]
The practical task is to find the landmark accurately and distinguish the intended tissue from bone, muscle trigger points, skin lesions, or lymph nodes. A broad posterior tenderness finding cannot establish a matching anterior point by assumption. Recheck what is actually present.
Try it here · Checkpoint 2 of 3
Make your prediction before reading the choices. A first attempt is just a starting point.
Case 16
Show answer and explanations for case 16
A. Kidney only (Why this does not fit)
The renal convention is superior and lateral to the umbilicus with a more cephalad posterior region.
B. Upper lung (Why this does not fit)
Upper-lung associations use the third space anteriorly and upper thoracic tissues posteriorly.
C. Thyroid (Why this does not fit)
The thyroid association is at the second intercostal and T2 regions, not L2.
D. Bladder (Best answer)
The report explicitly discusses these anterior and posterior bladder-associated regions.
Takeaway: T2 and L2 are different levels and different map associations.
Let the clinical story determine the investigation
For thyroid symptoms, test thyroid function. Cold intolerance, constipation, and slowing with a primary gland disorder commonly fit high TSH and low free T4. Heat intolerance, tremor, and weight loss with thyrotoxicosis commonly fit suppressed TSH and high free T4 or T3. The same mapped thyroid site cannot decide which pattern is present. TSH also requires context when pituitary disease, medication, or other illness is suspected. [9]
Weight loss, salt craving, hyperpigmentation, and orthostatic symptoms raise concern for primary adrenal insufficiency. Low cortisol with high ACTH supports primary rather than central insufficiency; mineralocorticoid deficiency can cause hyponatremia and hyperkalemia. Confirmatory testing is selected clinically. A tender adrenal-associated point does not measure cortisol, and suspected adrenal crisis requires immediate medical care. [10]
Jaundice, bruising, or abdominal swelling warrants hepatic evaluation. AST and ALT reflect injury, while bilirubin, albumin, coagulation and other findings help characterize dysfunction and severity. Enzymes alone do not stage cirrhosis or identify alcohol as the cause. In a febrile patient with pharyngitis, cervical adenopathy, and splenic enlargement, atypical lymphocytes may support infectious mononucleosis. They are not a generic laboratory output of a spleen point. [11][12]
New oliguria in a patient with diabetes needs assessment for an acute process even if chronic kidney disease is plausible. Assess serum creatinine relative to baseline, urine output, electrolytes, volume status, medications, urinalysis, and possible obstruction. Creatinine-based eGFR assumes stable creatinine and is unreliable during rapid change. Urine albumin and persistent findings help evaluate underlying CKD; they do not replace the acute assessment. [18] Dysuria and frequency suggest a urinary syndrome assessed with appropriate urine testing.
Pyuria supports inflammation; nitrites can support some bacterial infections, but a negative nitrite result does not exclude infection. Fever or flank pain changes concern for upper-tract disease even when creatinine is normal. [17][13][14]
A patient with acute chest pressure, shortness of breath, or progressive focal abdominal pain should receive the appropriate medical assessment. Chapman palpation should not delay an ECG, troponin testing, abdominal imaging, or other indicated investigation. A negative or softened point cannot rule out acute coronary syndrome or appendicitis. [3][15]
Use a local response as a local response
Traditional Chapman treatment uses tolerable small circular or rotary pressure over the identified tissue, with reassessment of tenderness and tissue texture. Teaching protocols vary in duration and anterior versus posterior emphasis. It is not a cervical or spinal thrust, not a counterstrain hold simply because a point is tender, and not a procedure that must hurt intensely to work. Do not promise that 10 to 30 seconds produces a required organ response. [5][8]
After treatment, recheck the original finding and the patient’s relevant symptom or function. An anterior recheck after posterior treatment is an observation of tissue response. It does not prove that a visceral process has stopped. Continue medical evaluation and treatment according to the underlying condition. Avoid treatment over an unexplained mass, inflamed skin, acute injury, or a site where the examination is inappropriate.
Published evidence is limited. The primary endoscopy study reported associations in a small group and did not establish Chapman points as a stand-alone diagnostic test. The sinusitis pilot had 22 participants, no comparison group, a multitechnique intervention, and immediate outcomes. It cannot isolate the effect of one point or establish prevention of recurrence. A case report can describe an observation, but it cannot determine diagnostic sensitivity, specificity, or treatment causality. [4][6][8]
Use precise landmarks for the educational map, ordinary clinical evidence for organ diagnosis, and measured patient outcomes for treatment assessment. Where published charts differ, name the convention instead of inventing certainty.
Try it here · Checkpoint 3 of 3
Make your prediction before reading the choices. A first attempt is just a starting point.
Case 28
Show answer and explanations for case 28
A. The reported improvement establishes that anterior point massage is superior to antibiotic treatment (Why this does not fit)
There was no such comparator in this study.
B. The reported improvement estimates a sustained reduction in the frequency of subsequent sinus episodes (Why this does not fit)
Only immediate outcomes were collected; recurrence was not measured.
C. The reported improvement can be attributed specifically to anterior Chapman massage within the combined session (Why this does not fit)
The combined intervention and absence of a comparator prevent isolation of that component.
D. Participants reported short-term improvement; the effects of individual techniques and prevention of recurrence are still uncertain (Best answer)
The design does not isolate Chapman treatment or establish long-term prevention.
Takeaway: Keep conclusions within the design and endpoints of the study.
A. Positive nitrites with leukocyte esterase and pyuria (Best answer)
A nitrite-positive result supports bacterial UTI in this symptomatic under-65 population. Pyuria or leukocyte esterase without nitrites is less specific and also occurs with other inflammation; culture is selected when clinically indicated.
B. Microscopic blood without nitrites or pyuria (Why this does not fit)
Hematuria has several causes and is less specific support for bacterial cystitis than nitrites with inflammatory findings.
C. Leukocyte esterase alone with negative nitrites and no blood (Why this does not fit)
In this diagnostic tool, leukocyte esterase alone leaves UTI and other diagnoses similarly plausible; it is weaker support than the nitrite-positive combination.
D. Protein on dipstick without nitrites or pyuria (Why this does not fit)
Protein alone does not identify a bacterial lower urinary infection.
Takeaway: Interpret urinalysis with symptoms and appropriate culture decisions.
