1. What This Condition Is
Limitation of motion of the ankle is a musculoskeletal disability where the ankle joint cannot move through its normal range. The restriction may result from injury, arthritis, post-surgical scarring, ligament damage, or chronic tendon conditions. When the ankle cannot flex fully upward (dorsiflexion) or downward (plantar flexion), it limits walking, stair climbing, squatting, standing on uneven terrain, and any activity requiring push-off from the foot. VA rates ankle limitation of motion because it directly impairs physical function and ability to work.
Common in-service causes include ankle sprains, fractures, ligament tears, and repetitive stress from prolonged marching or physical training. Veterans who have had ankle surgery often develop post-surgical limitation of motion as a ratable residual. This condition also arises as a secondary disability from service-connected pes planus, plantar fasciitis, or peripheral nerve conditions.
2. VA Rating Criteria
Ankle limitation of motion is rated under 38 CFR Part 4, Section 4.71a, Diagnostic Code 5271. VA uses the following normal range of motion as its baseline: dorsiflexion 0 to 20 degrees, plantar flexion 0 to 45 degrees.
| Rating | Criteria |
|---|---|
| 10% | Moderate limitation of motion: less than 15 degrees dorsiflexion or less than 30 degrees plantar flexion |
| 20% | Marked limitation of motion: less than 5 degrees dorsiflexion or less than 10 degrees plantar flexion |
The rating schedule now defines "moderate" and "marked" with specific degree thresholds for DC 5271, shown above and summarized below. The examiner's measurements, including any additional loss from pain, flare-ups or repeated use, still carry significant weight.
| Severity | Dorsiflexion (normal: 0-20 deg) | Plantar Flexion (normal: 0-45 deg) |
|---|---|---|
| Moderate (10%) | Less than 15 degrees dorsiflexion | Less than 30 degrees plantar flexion |
| Marked (20%) | Less than 5 degrees dorsiflexion | Less than 10 degrees plantar flexion |
Additional codes that apply to the ankle and may produce higher combined ratings include:
- DC 5270 (ankylosis of the ankle): 20% to 40% depending on position of fixation
- DC 5272 (subastragalar or tarsal joint ankylosis): 10% to 20%
- DC 5273 (os calcis or astragalus, malunion of): 10% to 20%
- DC 5284 (foot injuries, other): 10% to 30%
Under 38 CFR 4.40 (functional loss) and 4.45 (joints), VA must consider painful motion, weakness, incoordination, and pain during flare-ups in addition to measured range of motion. The rule from DeLuca v. Brown requires that functional loss due to pain be considered even when the resting range of motion appears relatively preserved.
3. What to Expect at Your C&P Exam
The examiner will measure your ankle range of motion with a goniometer, both actively (you move the joint) and passively (the examiner moves it). For DC 5271, the two critical measurements are:
- Dorsiflexion: measured in degrees above neutral (0 degrees). Normal is 0 to 20 degrees.
- Plantar flexion: measured in degrees below neutral. Normal is 0 to 45 degrees.
The examiner will also assess:
- Subtalar motion (inversion and eversion)
- Whether pain is produced during the range of motion test, and at what point
- Presence of joint crepitus, instability, or effusion
- Whether repetitive motion produces additional loss (three repetitions is standard)
- Muscle strength and any atrophy in the lower leg
- Your gait pattern
You must tell the examiner about your flare-ups: what triggers them, how long they last, what your range of motion and pain level are during a flare-up, and how flare-ups affect your daily function. You must also describe the impact of painful motion, not just the end-range restriction. Under Mitchell v. Shinseki, the examiner is required to account for pain during movement, not only the point at which motion stops.
4. Evidence You Need
A diagnosis of ankle limitation of motion and documentation of its cause are the starting points. The claim is strongest when the records show progression from an in-service injury through to the current restricted range of motion.
Key evidence to gather:
- Service treatment records documenting the ankle injury, fracture, sprain, or surgical procedure
- Post-service treatment records and physical therapy notes showing ongoing restricted motion
- Imaging: X-rays to document bony pathology, arthritis, or hardware; MRI to document soft tissue damage, tendon integrity, and cartilage
- Range of motion measurements from your treating physician or physical therapist taken at various points in time, ideally showing the condition is not improving
- A nexus letter connecting your current ankle limitation of motion to your in-service event or injury (38 CFR 3.102 standard)
- Documentation of flare-ups: frequency, duration, what activities trigger them, and the functional loss they produce
- A personal statement describing how restricted ankle motion affects your ability to walk, climb stairs, stand, and perform occupational and daily activities
The relevant VA DBQ is titled "Ankle Conditions DBQ." Having a private orthopedic surgeon or physiatrist complete this form before your C&P exam gives you a documented baseline that the VA examiner must address.
Buddy statements (VA Form 21-10210) from family members or coworkers describing how your ankle limitation affects your daily function can corroborate your lay testimony.
5. Secondary Conditions to Consider
Ankle limitation of motion forces compensatory movement patterns that affect every joint in the lower extremity and into the spine. Secondary conditions worth evaluating include:
- Pes planus: When ankle dorsiflexion is restricted, the body compensates by pronating the foot inward, contributing to arch collapse (DC 5276).
- Plantar fasciitis: Restricted ankle dorsiflexion increases tension on the plantar fascia during the gait cycle, elevating the risk of plantar fasciitis (DC 5269).
- Knee conditions: A stiff ankle changes the mechanics of the knee during walking and stair climbing. Patellofemoral syndrome and knee arthritis are common downstream effects (DC 5257, 5260, 5261).
- Hip and low back strain: An altered gait from ankle stiffness creates asymmetric loading through the hip and lumbar spine, which can aggravate existing conditions or produce new ones (DC 5237, 5242, 5243).
- Peroneal nerve damage: Post-surgical or post-traumatic ankle limitation may coexist with damage to the peroneal nerve, producing foot drop and additional ratable neurological disability (DC 8521).
File secondary claims under 38 CFR 3.310 with a medical opinion establishing the causal or aggravation link to your service-connected ankle condition.
6. Common Mistakes That Kill Claims
Not documenting painful motion separately from end-range limitation. Range of motion measurement tells only part of the story. If motion is painful before you reach the end of your range, the examiner must note where pain begins. Many raters focus only on the degrees achieved. Push back on any exam that does not record the point at which pain begins during movement.
Failing to describe flare-ups at the exam. Your worst functional state matters as much as your exam-day state. If a flare-up reduces your dorsiflexion to near zero for days at a time, the examiner must account for that. Bring a written statement to the exam describing your flare-up pattern.
Accepting a 10% rating without documenting severity. The difference between 10% (moderate) and 20% (marked) comes down to the severity narrative. If your ankle barely moves but the examiner writes "moderate limitation," request a Higher-Level Review (VA Form 20-0996) or obtain a private exam to challenge the finding.
Missing additional ankle codes. DC 5271 covers limitation of motion, but if you also have instability, subtalar restriction, or malunion, each may be ratable separately. Ask your treating provider to document all components of the ankle disability.
Ignoring secondary conditions. Every joint above the ankle that is compensating for your restricted motion is a potential secondary claim. File them.
7. FWD Assist Resources
The following FWD Assist books are relevant to your ankle limitation of motion claim:
- "C&P Exam Secrets" covers how to present musculoskeletal conditions to examiners, how to document painful motion and flare-up impact, and what the examiner is required to assess.
- "Nexus Letters" explains how to commission a private medical opinion that meets the Barr v. Nicholson standard and can overcome a denial or low rating.
- "Back and Joint Conditions" addresses the full lower extremity rating picture, including ankle, knee, and how limitation of motion ratings interact.
- "Secondary Conditions" walks through 38 CFR 3.310 claims and how to build cascading claims from a single service-connected ankle condition.
- "VA Appeals" explains the three AMA lanes: Supplemental Claim, Higher-Level Review, and Board of Veterans' Appeals, and when to use each one.
Visit fwdassisthq.com for the full catalog.
8. Get Help Without a Claim Shark
Free accredited help is available through Veterans Service Organizations including the Disabled American Veterans (DAV), Veterans of Foreign Wars (VFW), American Legion, and AMVETS. County Veterans Service Officers (CVSOs) provide free assistance at the local level.
Filing a VA claim is free. No one may charge you for help with a claim before VA makes its initial decision (38 U.S.C. 5904(c)(1)). After that, only an accredited attorney or claims agent may charge a fee, and it must be reasonable. A fee of 20 percent or less of past-due benefits is presumed reasonable, and a fee over 33 1/3 percent is presumed unreasonable (38 CFR 14.636). An accredited Veterans Service Officer never charges you. If someone asks you for money to file your claim, report it to the VA Office of Inspector General at 1-800-488-8244.
Verify accreditation at va.gov/ogc/accreditation.asp before working with any paid representative.