Musculoskeletal C&P Exams and DC 5260: Range of Motion Review for Knee Limitation of Flexion

A musculoskeletal C&P exam for a knee flexion claim is adequate only if it captures the exact arc of motion, pain behavior on active and passive movement, functional loss from pain and weakness, and flare-up impact at the level of specificity that DC 5260 and its supporting regulations actually require. An exam that records a number without context, skips passive motion, or says nothing about flare-ups is not a complete exam. It is a case-work problem the firm needs to document before the rating locks in.

What DC 5260 Requires the Exam to Record

DC 5260 rates knee flexion limitation at three thresholds: 10% for flexion limited to 45 degrees, 20% for flexion limited to 30 degrees, and 30% for flexion limited to 15 degrees.

38 CFR § 4.71a^[1]

The rating turns on where the arc ends. A report that says "flexion is reduced" or "flexion is limited to approximately 40 to 50 degrees" does not place the veteran at a threshold. It leaves the rater guessing. The exam must record the endpoint of flexion precisely enough that it maps to one of those three numbers.

Normal knee flexion is 0 to 140 degrees. A veteran who can flex to 44 degrees is at the 10% threshold. One who can flex to 46 degrees is not. One degree of imprecision can mean the difference between a compensable and a noncompensable rating. When the C&P report uses ranges, approximations, or narratives instead of degree measurements, staff should flag that as a defect and document it in the case file before the rating decision issues.

The exam should also note whether pain begins before the endpoint of motion. If pain causes the veteran to stop short of the true anatomical limit, the observed arc may underrepresent the actual limitation. That distinction matters for 38 CFR § 4.40 analysis and is addressed below.

The 38 CFR § 4.59 Checklist: Active, Passive, Weight-Bearing, and Contralateral Testing

38 CFR § 4.59 requires that joints be tested for pain on both active and passive motion, in weight-bearing and non-weight-bearing, and if possible with range of motion of the opposite undamaged joint.

38 CFR § 4.59^[2]

Those are four distinct data points. A C&P report that records only active weight-bearing ROM satisfies one of them. That is a deficient exam under the regulation. The BVA has applied this standard explicitly to knee flexion claims, holding that VA examinations for musculoskeletal conditions must include joint testing for pain on both active and passive motion, in weight-bearing and non-weight-bearing, and with ROM measurements of the opposite undamaged joint where possible.

BVA Citation Nr. 21067554^[3]

When staff review a completed C&P report for a DC 5260 claim, the checklist is concrete:

Required element	Found in report?	Defect documented?
Active ROM measurement (degrees)
Passive ROM measurement (degrees)
Pain noted on active motion
Pain noted on passive motion
Weight-bearing ROM
Non-weight-bearing ROM
Contralateral knee measurement

If any row is blank, the firm has a documented adequacy defect. Staff can complete this comparison against the report. The attorney decides whether to seek a new exam, supplement with a private opinion, or raise inadequacy on appeal.

Functional Loss Beyond ROM: Reading the Exam Against 38 CFR § 4.40

DC 5260 ratings are based on measured arc, but the measured arc is not the only evidence that drives a musculoskeletal rating. 38 CFR § 4.40 requires the exam to portray functional loss across all elements: excursion, strength, speed, coordination, and endurance. Weakness is as important as limitation of motion. A part that becomes painful on use must be treated as seriously disabled.

38 CFR § 4.40^[4]

An exam that records 50 degrees of flexion and stops there may still be deficient if the veteran experiences pain, weakness, or fatigue that limits function even within that arc. The examiner must address functional loss in the narrative, not just check the ROM box.

The practical case-work question is whether the report's narrative section contains any opinion on strength, endurance, or pain on use beyond the measured angle. If the narrative is sparse or absent, that is a gap the attorney needs to weigh when deciding whether the existing exam can support a favorable rating.

Flare-Up Documentation and Sharp v. Shulkin

The CAVC held in Sharp v. Shulkin that when a veteran reports flare-ups, the examiner must indicate the point at which pain begins during motion and address whether, and to what extent, the veteran experiences functional loss due to pain during flare-ups and with repeated use.

Sharp v. Shulkin, 29 Vet. App. 26 (2017)^[5]

A C&P report that is silent on flare-ups when the veteran's treatment records or lay statements describe them is a reviewable defect. The examiner cannot simply record the arc at rest and leave flare-up impact unaddressed.

What the exam must cover on flare-ups:

• Whether flare-ups occur
• Frequency and duration
• The point at which pain begins during motion
• An estimate of functional loss during a flare-up, even if the examiner did not observe one

The VA Knee and Lower Leg DBQ asks the examiner to document the veteran's description of flare-ups including frequency, duration, characteristics, and precipitating and alleviating factors.

VA Knee and Lower Leg DBQ^[6]

If the C&P report or DBQ is blank on those fields and the record contains lay statements or treatment notes describing flare-up episodes, staff should flag that gap in the case file. An attorney then decides whether the omission constitutes a deficiency that warrants a corrected exam or whether a private opinion addressing flare-up impact is the better path.

Separate Ratings Under DC 5260 and DC 5261: What the Exam Must Capture for Both

VA OGC Precedent 09-04 holds that separate ratings under DC 5260 (limitation of flexion) and DC 5261 (limitation of extension) may be assigned for the same knee if each disability is independently compensable.

VAOPGCPREC 09-04^[7]

The OGC opinion gives a concrete example: if a veteran's knee motion runs from 15 degrees to 45 degrees, the veteran is entitled to a 10% rating for flexion limited to 45 degrees under DC 5260 and a 20% rating for extension limited to 15 degrees under DC 5261, combining to 28% (rounded to 30%).

VAOPGCPREC 09-04^[8]

The BVA has applied this precedent to confirm that the maximum rating for limited flexion alone does not exceed 30%, but separate extension limitation can add a compensable rating on top of it.

BVA Citation Nr. 21064338^[9]

There is one limit on pyramiding here. OGC 09-04 also holds that where joint motion is not limited but there is objective evidence of pain on motion only, one compensable rating applies, not two. The distinction is whether the limitation is measurable in degrees or only present as painful motion without fixed restriction.

The case-file implication is direct: if the C&P report records only flexion and not extension, or records extension only in the narrative without a degree measurement, the exam cannot support a dual rating. Staff reviewing the report should confirm that both arcs appear with degree measurements and that pain notation appears for both.

Mapping C&P Report Defects to Case-File Review Items

Reviewing a C&P report for a knee flexion claim is a structured task, not a read-through. Every DC 5260 case file should have a documented comparison of the exam against the rating-criteria checklist before attorney review.

Staff can clear the factual layer: whether measurements are present, whether passive motion was tested, whether flare-ups were addressed, whether extension was recorded alongside flexion. Those are objective checks against the report text.

What belongs to attorney review:

• Whether a deficient exam rises to the level that warrants a duty-to-assist argument
• Whether the record supports requesting a new exam versus supplementing with a private opinion
• Whether the current rating is supported by the existing exam or whether an appeal is the right path
• Whether a dual DC 5260/5261 rating is available on the current record

When a case file comes in with a prior C&P report, the report should be parsed against the checklist on intake. If a newer exam supersedes an earlier one, the older exam stays in the file as evidence of prior opinion, and the new exam gets the same checklist review. The attorney sees a clear defect summary rather than a raw document.

When a Private DBQ or Medical Opinion Fills the Gap

A private medical opinion can address what the C&P exam omitted, but only if it covers the same regulatory ground. A private opinion that records active ROM and nothing else has the same deficiency as the original exam.

A useful private opinion for a DC 5260 claim must:

• Record active and passive ROM in degrees with the endpoint identified
• Address pain on motion and where in the arc pain begins
• Assess functional loss from pain, weakness, and reduced endurance under 38 CFR § 4.40
• Address flare-up frequency, duration, and estimated functional impact per Sharp v. Shulkin
• Include extension ROM in degrees if a dual rating under DC 5261 is the theory

The private physician or physical therapist completing the opinion should also test the contralateral knee where possible, consistent with 38 CFR § 4.59. An opinion that skips contralateral testing without explaining why gives the rater a basis to discount it.

The decision to obtain a private opinion, the selection of the expert, and the framing of the questions put to that expert are attorney judgment calls. Pete can flag what the C&P report did not answer. It cannot substitute for the attorney's review of whether the gap is dispositive, what theory the opinion should support, and how it fits the procedural posture of the case.

Related guides

DBQ Review Checklist for VA AttorneysHow to compare DBQ fields against the rating schedule and claimed theory to spot adequacy defects before they reach the rater.C&P Exam Adequacy ChecklistWhat makes a C&P exam adequate or inadequate under VA rules, and how firms can spot defects before a rating decision locks in.