The most important thing a marathon runner can do before crossing the start line is not logging more miles — it is identifying and correcting the biomechanical weaknesses that will inevitably become injuries during 26.2 miles of cumulative stress. Research shows that 56–90% of recreational marathon runners sustain at least one injury per training cycle, and the vast majority are predictable and preventable with pre-season physical therapy screening. This complete guide covers the exact PT screening tests used in 2026, what they measure, which weaknesses predict which injuries, and the corrective exercise protocols that eliminate risk before race day.
Why Screening Before Race Day Is Different From Injury Treatment
Most runners only see a physical therapist when they are already injured — limping into the clinic with IT band syndrome at Week 14 of a 16-week training plan. At that point, the PT is in damage control mode: reducing inflammation, restoring function, and racing the clock against the marathon date.
Pre-race screening flips this equation entirely. A 60–90 minute PT screening session before training begins identifies:
- Strength asymmetries between limbs that predict overuse injury
- Mobility restrictions that force compensatory movement patterns
- Movement quality deficits that amplify force with each of the 40,000+ foot strikes in a marathon
- Running gait deviations that drive injury in specific anatomical locations
- Training load tolerance indicators that guide safe progression
The financial and time investment is minimal compared to the cost of a DNS (Did Not Start) or DNF (Did Not Finish) after months of training.
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The Epidemiology of Marathon Running Injuries
Understanding which injuries are most common — and what causes them — provides the clinical rationale for each screening test:
| Injury | Prevalence in Marathon Runners | Primary Biomechanical Driver |
|---|---|---|
| IT band syndrome | 15–22% | Hip abductor weakness, crossover gait |
| Patellofemoral pain syndrome | 12–18% | Hip abductor/ER weakness, knee valgus |
| Plantar fasciitis | 8–15% | Reduced ankle dorsiflexion, calf weakness |
| Medial tibial stress syndrome (shin splints) | 10–14% | Overstriding, hip weakness, training load errors |
| Achilles tendinopathy | 8–12% | Calf weakness, reduced dorsiflexion |
| Tibial stress fracture | 4–8% | High loading rate, low bone density, training error |
| Hamstring strain | 4–7% | Hamstring weakness, hip flexor tightness |
| Hip flexor strain | 3–5% | Hip flexor overuse, inadequate warm-up |
| Patellar tendinopathy | 3–5% | Quad weakness, excessive training load |
The vast majority of these injuries share three common root causes: hip muscle weakness, reduced ankle dorsiflexion mobility, and training load errors. A pre-race screening program systematically identifies all three.
The Complete Pre-Marathon PT Screening Battery
The following 12 tests constitute the evidence-based pre-marathon screening protocol used by leading sports physical therapists in 2026. A complete screening takes 60–90 minutes.
TEST 1: Single-Leg Squat (SLS) Assessment
What it measures: Dynamic lower limb alignment, hip abductor and external rotator strength, knee stability, and neuromuscular control during a functional single-leg loading task.
How it’s performed: The runner stands on one leg with the opposite leg slightly raised. They perform 5 single-leg squats to approximately 60° of knee flexion at a controlled pace, while the PT observes from the front, side, and rear.
What the PT observes:
- Knee valgus (knee caving inward) — the single most important predictor of PFPS, ACL strain, and IT band syndrome in runners; caused by hip abductor and external rotator weakness
- Contralateral hip drop (Trendelenburg sign) — the pelvis drops on the non-stance side, indicating gluteus medius weakness on the stance side
- Trunk lateral lean — leaning the trunk toward the stance leg compensates for hip abductor weakness (compensated Trendelenburg)
- Ankle pronation — excessive inward roll of the ankle during loading
- Asymmetry between left and right — deviation >1 grade between sides is clinically significant
Grading:
- Grade 0: No deviations — pass
- Grade 1: Mild deviation — address with exercise
- Grade 2: Moderate deviation — significant corrective work needed
- Grade 3: Severe deviation with multiple compensations — intensive intervention required before high mileage training
Injury prediction: Runners scoring Grade 2–3 on SLS have a 3.2× greater risk of developing PFPS and 2.8× greater risk of IT band syndrome during the training cycle.
TEST 2: Hip Abductor Strength — Handheld Dynamometer Test
What it measures: Quantitative hip abductor (gluteus medius) strength, the most commonly deficient muscle group in injured runners.
How it’s performed: The runner lies on their side on the treatment table. The PT places a handheld dynamometer against the lateral thigh just above the knee and the runner pushes against it with maximum isometric force for 5 seconds. Performed on both sides.
Normal values for runners (2026 normative data):
- Males: 2.0–2.5 Nm/kg body weight
- Females: 1.7–2.2 Nm/kg body weight
- Limb Symmetry Index (LSI) < 90% = significant asymmetry requiring intervention
Injury prediction: Hip abductor strength deficits predict IT band syndrome with sensitivity 66%, specificity 78% in prospective studies. Female runners with hip abductor strength below the 25th percentile have a 4.1× greater risk of developing running-related injury.
TEST 3: Hip External Rotator Strength Test
What it measures: Strength of the hip external rotators (piriformis, obturator externus/internus, gemelli, quadratus femoris) — critical for controlling femoral internal rotation during the stance phase of running.
How it’s performed: Seated at the edge of the table with hips and knees at 90°. The dynamometer is placed against the medial ankle. Runner pushes outward (external rotation) against the device with maximal effort.
Significance: Weak hip external rotators allow the femur to internally rotate during stance, increasing Q-angle and driving lateral patellar tracking. Combined hip abductor + ER weakness is present in over 75% of runners who develop PFPS during marathon training.
Pass/Fail threshold: LSI ≥ 90% between sides; absolute values within age- and sex-matched normative ranges.
TEST 4: Weight-Bearing Lunge Test (WBLT) — Ankle Dorsiflexion
What it measures: Functional ankle dorsiflexion range of motion in a weight-bearing position — the single most important mobility test for injury risk in runners.
How it’s performed: The runner stands facing a wall with bare feet. Keeping the heel flat on the floor, they lunge the knee forward toward the wall, measuring the maximum distance from the wall at which they can achieve knee-to-wall contact without heel rise.
Normal value: ≥ 10 cm from the wall
Significance: Ankle dorsiflexion restriction is the root cause of three of the five most common marathon injuries:
- Plantar fasciitis — reduced dorsiflexion forces the plantar fascia to compensate during toe-off
- Achilles tendinopathy — reduced dorsiflexion increases Achilles loading
- Patellofemoral pain — the knee cannot flex properly during loading response without adequate ankle dorsiflexion; the body compensates by increasing femoral internal rotation
Runners with WBLT < 7 cm have a 4.6× greater risk of developing plantar fasciitis and 3.3× greater risk of Achilles tendinopathy during a marathon training cycle.
TEST 5: Single-Leg Calf Raise Endurance Test
What it measures: Calf muscle (gastrocnemius and soleus) endurance and strength — essential for the push-off phase of running that propels the body forward with every step.
How it’s performed: Standing barefoot on one leg on the edge of a step, the runner performs single-leg calf raises through full range (heel below step level to maximum plantarflexion) at a controlled pace (2 seconds up, 2 seconds down). The PT counts maximum repetitions before form breaks down (reduced range, trunk compensation, or inability to complete full range).
Normative values:
- < 25 reps: Significant weakness — high Achilles and plantar fascia injury risk
- 25–35 reps: Borderline — strength training recommended
- 35 reps: Adequate for marathon training
- Elite runners typically achieve 40–50+ reps
Significance: A 2020 study of 250 recreational marathon runners found that runners who could not complete 30 single-leg calf raises before their training cycle had a 3.7× greater risk of Achilles tendinopathy by race day.
Asymmetry: Any difference of >5 reps between sides is clinically significant.
TEST 6: Hamstring Flexibility — Active Knee Extension Test
What it measures: Hamstring length in a functional position relevant to the terminal swing phase of running.
How it’s performed: The runner lies supine. The hip is passively flexed to 90° by the PT (thigh vertical). From this position, the runner actively extends the knee as far as possible. The angle from full extension is measured.
Normal value: < 20° from full extension (within 20° of full knee extension)
Significance: Tight hamstrings limit hip extension during terminal stance and reduce stride length, forcing the lumbar spine to hyperflex during the forward swing of each step. In marathon runners, chronic hamstring tightness contributes to:
- Low back pain during high-mileage weeks
- Hamstring strain risk during speed work and race pace running
- Increased pelvic anterior tilt that overloads hip flexors
TEST 7: Hip Flexor Length — Thomas Test
What it measures: Hip flexor (iliopsoas and rectus femoris) length — critical for achieving adequate hip extension during terminal stance.
How it’s performed: The runner sits at the edge of the treatment table and lies back, pulling both knees to their chest. The PT then lowers one leg to the hanging position while the other remains held to the chest. The PT observes the position of the lowered limb.
Positive findings indicating tightness:
- Hip flexion >10° — iliopsoas tightness; the thigh cannot reach horizontal
- Knee extension beyond 90° — rectus femoris tightness (a two-joint muscle)
- Hip abduction — TFL/IT band tightness
Significance: Tight hip flexors are one of the most universal findings in recreational marathon runners — particularly those with desk jobs who sit 8+ hours per day. Hip flexor tightness directly:
- Reduces hip extension during terminal stance, shortening stride and forcing lumbar hyperextension compensation
- Increases anterior pelvic tilt, which compresses lumbar facet joints and strains hip flexor tendon attachment points
- Contributes to IT band tightness by pulling on the TFL muscle
TEST 8: Functional Movement Screen (FMS) — Deep Squat Pattern
What it measures: Global overhead mobility and bilateral, symmetrical, functional mobility of the hips, knees, and ankles — the most integrative single movement screen.
How it’s performed: Standing with feet shoulder-width apart, toes pointing forward, the runner holds a dowel overhead with hands wider than shoulder-width. They squat as deep as possible while maintaining the dowel overhead and the heels flat on the floor.
Scoring (FMS standard):
- Score 3: Full depth squat, dowel remains over feet, tibia and torso parallel
- Score 2: Heels elevated or dowel shifts forward — compensations present
- Score 1: Unable to perform even with heels elevated
Significance: A Deep Squat score of 1 indicates significant bilateral mobility restriction (commonly ankle, hip, or thoracic) that will manifest as compensatory movement patterns during marathon training. FMS deep squat scores consistently predict training-related injury across multiple prospective studies.
TEST 9: Hop Tests — Limb Symmetry Index
What it measures: Single-leg explosive power, strength, and neuromuscular control under dynamic loading — the closest functional simulation of running demands in a clinical test.
Four-hop test battery:
- Single-leg hop for distance — maximum distance hop and land on same foot
- Triple hop for distance — three consecutive hops on same leg
- Crossover hop for distance — three hops crossing a line on the floor
- 6-meter timed hop — hop 6 meters on one leg as fast as possible
Limb Symmetry Index calculation: LSI = (injured/weaker limb score ÷ uninjured/stronger limb score) × 100
Pass threshold: LSI ≥ 90% on all four tests
Significance: Originally developed for ACL reconstruction return-to-sport clearance, hop tests have been validated as pre-season injury screening tools in endurance runners. Runners with LSI <90% on any hop test are carrying an asymmetric limb loading pattern that will be amplified over 40,000+ foot strikes during marathon training. These asymmetries predict hamstring, calf, and knee injuries.
TEST 10: Plantar Pressure Assessment — Standing and Walking
What it measures: Distribution of pressure across the plantar surface of the foot — identifying areas of excessive loading that predict plantar fasciitis, metatarsal stress fractures, and Morton’s neuroma.
How it’s performed: The runner stands and then walks across a pressure-sensitive mat (pedobarography). The system generates a color-coded pressure map showing high-pressure zones (red/orange) and low-pressure zones (blue/green).
Key findings:
- Excessive forefoot pressure — predicts metatarsal stress fractures and Morton’s neuroma
- Reduced midfoot contact (cavus/high-arch foot) — rigid arch with poor shock absorption; high stress fracture and plantar fascia risk
- Excessive medial forefoot pressure (flat/pronated foot) — drives tibial internal rotation; associated with shin splints and medial knee pain
- Asymmetric pressure distribution — significant side-to-side difference indicates compensatory loading
Clinical application: Pressure mapping directly guides orthotic prescription when foot mechanics are identified as a contributing factor. Custom or prefabricated orthotics prescribed after pressure mapping screening reduce marathon training injury rates by 28% in prospective studies.
TEST 11: Running Gait Screening (2D Video Analysis)
What it measures: The runner’s biomechanics during actual running — the only test that captures all the variables simultaneously under the true demands of the activity.
Protocol: The runner runs on a treadmill at their easy training pace and their goal race pace while the PT records slow-motion footage from rear, lateral, and frontal views.
Key variables measured:
- Cadence (steps per minute) — ideal range: 170–180 spm for most recreational runners; each 5% increase in cadence reduces PF joint loading by ~20%
- Foot strike pattern — heel vs. midfoot vs. forefoot; neither is universally superior, but the overstriding heel strike (foot landing far in front of the center of mass) creates a braking force and high loading rate
- Vertical oscillation — ideal: 6–8 cm; excessive bounce wastes energy and increases loading
- Crossover gait — feet landing on or crossing the midline; linked to IT band syndrome, hip abductor tendinopathy
- Contralateral pelvic drop — the single most important gait variable; >5° drop predicts IT band syndrome with high sensitivity
- Knee valgus during stance — indicates dynamic hip weakness
- Trunk lean direction and magnitude
Injury-gait deviation correlations:
| Running Gait Deviation | Primary Associated Injury |
|---|---|
| Crossover + pelvic drop >5° | IT band syndrome |
| Overstriding + high impact | Tibial stress fracture, shin splints |
| Knee valgus during stance | PFPS, medial knee pain |
| Excessive forward trunk lean | Low back pain, hip flexor strain |
| Reduced push-off + short step length | Achilles tendinopathy |
| Low cadence (<165 spm) | PFPS, tibial stress syndrome |
TEST 12: Training Load History Review
What it measures: This is the most underappreciated screening component — yet training load errors cause more marathon injuries than all biomechanical factors combined.
What the PT reviews:
- Current weekly mileage and how it compares to 6 months ago
- Single longest run and when it was completed
- Acute-to-chronic workload ratio (ACWR) — the ratio of the current week’s load to the average of the past 4 weeks; ACWR >1.3 dramatically increases injury risk
- Speed work history — volume and intensity of interval and tempo training
- History of previous injuries and their relationship to training volume peaks
- Cross-training and strength training history
The 10% Rule assessment: The classic guideline of increasing weekly mileage by no more than 10% per week is imprecise for experienced runners but remains useful for beginners. The PT will develop a personalized training load progression plan based on the screening results.
Screening Results Interpretation: What Happens Next
After completing the screening battery, the PT synthesizes findings into a risk stratification report with three possible outcomes:
Low Risk (Green) — Clear to Train
All or nearly all tests within normal limits. The runner is cleared for full marathon training with:
- Individualized home exercise program targeting any minor weaknesses identified
- Training load progression guidelines
- Re-screening recommendation at Week 8–10 of the training plan
Moderate Risk (Yellow) — Train With Intervention
1–3 significant findings identified. The runner begins training but concurrently completes a targeted 4–6 week corrective exercise program. Typically requires 4–8 PT sessions before full training is resumed without restriction.
High Risk (Red) — Address Before Full Training
Multiple significant findings or one critical finding (e.g., severe hip abductor weakness + crossover gait + WBLT <7 cm). The runner should reduce training volume by 40–50% while completing an intensive 6–8 week corrective program before progressing to full marathon training. Attempting full marathon training volume with this risk profile carries an extremely high probability of injury.
Corrective Exercise Protocols by Screening Failure
Protocol A — Hip Abductor and External Rotator Weakness
The most commonly prescribed corrective protocol — addresses the root cause of IT band syndrome and PFPS.
Week 1–2 (Activation Phase):
- Clamshells with resistance band — 3 × 20 each side daily
- Sidelying hip abduction — 3 × 20 each side daily
- Supine glute bridge — 3 × 15
- Monster walks — 3 × 20 steps each direction
Week 3–4 (Strengthening Phase):
- Single-leg glute bridge — 3 × 15 each side
- Standing hip abduction with band — 3 × 15 each side
- Lateral band walks in squat position — 3 × 20 steps each direction
- Step-down exercise (20 cm) — 3 × 12 each side
Week 5–6 (Loading Phase):
- Bulgarian split squat — 3 × 10 each side
- Single-leg Romanian deadlift — 3 × 10 each side
- Hip thrust with barbell — 3 × 12
- Cable hip abduction — 3 × 15
Protocol B — Ankle Dorsiflexion Restriction
Addresses the root cause of plantar fasciitis, Achilles tendinopathy, and indirectly — PFPS.
Daily routine (10 minutes):
- Gastrocnemius stretch (standing calf stretch, knee straight) — 3 × 60-second hold each side
- Soleus stretch (bent-knee calf stretch) — 3 × 60-second hold each side; targets the soleus, which is the primary restrictor in weight-bearing dorsiflexion
- WBLT practice — attempt the wall lunge 20 reps each side; progressively increasing distance from wall as mobility improves
- Banded ankle mobilization — resistance band around the ankle, lunge forward repeatedly; provides a posterior-to-anterior traction force on the talus that directly improves dorsiflexion range
Strength component:
- Eccentric calf raises — 3 × 15 slow eccentrics; not just mobility but strength through range; evidence-based for Achilles tendinopathy prevention
Expected progress: 1–2 cm WBLT improvement per week with consistent daily work. Runners with <7 cm typically reach >10 cm within 4–5 weeks of daily mobility work.
Protocol C — Calf Weakness
Addresses the root cause of Achilles tendinopathy and plantar fasciitis in runners.
The Alfredson Protocol (modified for pre-injury prevention):
- Bilateral calf raises → single-leg calf raises — 3 × 15 daily; progress to eccentric-only (raise on two feet, lower on one)
- Single-leg calf raise for endurance — work up to 3 × 25 reps each side over 4 weeks
- Hopping progressions — begin at Week 3; double-leg pogo hops → single-leg pogo hops; 3 × 20 seconds each
Protocol D — Running Gait Retraining (Cadence, Crossover, Pelvic Drop)
For runners with identified gait deviations — cadence increase and step-width correction are the two highest-value gait interventions.
Cadence Increase Protocol (if cadence <170 spm):
- Establish current cadence with metronome app during easy run
- Target 5% increase initially (e.g., 165 → 173 spm)
- Run 3× per week with metronome at target cadence for 20 minutes
- After 2 weeks of consistent 20-minute runs, begin applying cadence for full easy runs
- After 4 weeks, cadence should feel natural without metronome cuing
Step Width Correction (for crossover gait):
- Place two pieces of tape along the treadmill belt as parallel lines ~15 cm apart
- Cue the runner to land each foot outside the tape lines
- Practice 3 × 10-minute treadmill sessions per week
- Transition to outdoor running with mental cue: “run on train tracks” (feet landing on separate parallel rails)
When to Schedule Your Pre-Marathon PT Screening
Ideal timing: 12–16 weeks before your target marathon date — coinciding with the beginning of your formal training plan.
This timeline allows:
- 4–8 weeks of corrective work before high mileage begins
- Re-screening at Week 8–10 to confirm corrections have taken hold
- A buffer to modify the training plan if high-risk findings are identified
Minimum viable timeline: 8 weeks before race day — enough time to complete a meaningful corrective program for moderate-risk findings.
Post-race screening: A screening 4–6 weeks after the marathon identifies residual deficits and accumulated compensations before they become the starting point for the next training cycle.
How to Find a PT Who Does Marathon Screening
Not all physical therapists have the training to perform a comprehensive running injury screening. Look for:
- OCS (Orthopaedic Clinical Specialist) — board-certified by ABPTS
- SCS (Sports Clinical Specialist) — board-certified in sports physical therapy
- CSCS (Certified Strength and Conditioning Specialist) — combined with PT credential
- RRCA Certified Running Coach — combined with PT credential
- Specific experience with running injury assessment listed on the clinic’s website
- Treadmill and slow-motion video capability in the clinic
Search resources:
- APTA Academy of Orthopaedic Physical Therapy — orthopts.org
- Road Runners Club of America — rrca.org/coaches-directory (some coaches are also PTs)
- Your running club or local running store often maintains a referral list of running-specialist PTs
Does Insurance Cover Pre-Marathon PT Screening?
This is where the answer requires nuance. Pure performance screening without a diagnosis is not typically covered by insurance. However, most experienced runners presenting for screening have at least one minor symptom or complaint — and when this is present and documented, the screening becomes a medically necessary evaluation.
When Insurance Covers It
- You have a current symptom — even minor tightness, intermittent knee pain, or recurring Achilles soreness — that justifies a physician referral
- Your primary care physician or sports medicine doctor orders a PT evaluation for “running-related musculoskeletal assessment”
- The PT documents clinical findings and a diagnosis using appropriate ICD-10 codes
Applicable ICD-10 codes:
- Z13.88 — Encounter for screening for disorder due to exposure to contaminants
- Z72.3 — Lack of physical exercise (prevention counseling)
- M76.899 — Other specified enthesopathies of lower limb — used when minor tendon-related symptoms are present
- Any active symptom code for the specific region of concern
Self-Pay Options
Many running-specialist PT clinics offer standalone pre-marathon screening packages:
| Package | Typical Self-Pay Cost |
|---|---|
| Basic screening (1 hour, observational) | $125–$200 |
| Comprehensive screening + video gait analysis | $200–$400 |
| Full screening + corrective program (6 sessions) | $600–$1,200 |
| Elite package (3D gait + force plate + full battery) | $800–$2,000 |
For a runner who has invested $150–$200 in a marathon entry fee, $500–$1,000 in gear, and 4–6 months of training time — a $200–$400 screening investment is one of the highest-value decisions in the entire preparation process.
The ROI of Pre-Marathon PT Screening: By the Numbers
Consider this calculation for a runner targeting a spring marathon:
Without screening (average recreational marathon runner):
- 65% probability of sustaining a significant injury during training
- Average lost training: 3–6 weeks
- Average additional treatment costs: $500–$2,000
- Probability of DNS (Did Not Start): 20–30%
- Probability of running injured on race day (compromised performance/worse outcome): 35%
With pre-marathon PT screening and corrective program:
- Injury risk reduction: 40–60% based on prospective research
- Investment: $200–$1,200
- Probability of completing training cycle intact: 75–85%
- Performance improvement from correcting biomechanical inefficiencies: 1–3% faster race time (meaningful at any level)
The math is not close. Pre-marathon PT screening is one of the highest-ROI investments a recreational marathon runner can make.
Frequently Asked Questions
How far in advance of my marathon should I get screened?
Ideally 12–16 weeks before race day — at the start of your formal training plan. This gives you 4–8 weeks to complete corrective work before high-mileage weeks begin. 8 weeks is the minimum viable timeline for meaningful intervention.
Do I need to be currently injured to see a PT before a marathon?
No. Pre-season screening for injury risk is a legitimate and increasingly recognized use of physical therapy services. Even without current symptoms, a PT can identify the asymmetries and weaknesses that will become injuries under marathon training loads.
What is the most common finding in recreational marathon runners?
Hip abductor weakness — specifically gluteus medius weakness — is found in approximately 70% of recreational runners who undergo pre-season screening. It is the primary driver of the two most common marathon injuries: IT band syndrome and PFPS.
Can I do these screening tests at home myself?
You can perform the single-leg squat, WBLT, and calf raise tests yourself as a basic self-assessment, but the clinical value of professional PT screening is in the synthesis of multiple findings, the quantification with dynamometry and video analysis, and the individualized corrective programming. Self-assessment misses the nuanced findings that drive clinical decision-making.
Does running gait analysis need to be done separately from the injury screening?
Ideally, running gait analysis is integrated into the screening session — the combination of static tests plus dynamic running observation is far more informative than either alone. Many PTs offer combined screening + gait analysis packages.
If my screening shows I’m high risk, should I still run the marathon?
That depends on timing. If the screening is done 12–16 weeks out, there is usually time to complete corrective work and safely build to race-ready fitness. If screening is done 4–6 weeks before race day and reveals multiple high-risk findings, the PT and runner must have an honest conversation about the probability of completing the race healthy vs. injured.
What is the single most impactful thing a marathon runner can do to prevent injury?
The evidence consistently points to hip abductor strengthening — specifically single-leg glute bridges, single-leg deadlifts, and lateral band walks performed 3× per week throughout the training cycle. This one intervention, applied consistently, reduces IT band syndrome and PFPS risk by 40–50%.
Key Takeaways
- 56–90% of recreational marathon runners are injured during each training cycle — the vast majority of these injuries are predictable and preventable with pre-season screening
- The 12-test screening battery identifies strength asymmetries, mobility restrictions, movement quality deficits, and gait deviations before they become injuries
- Hip abductor weakness is the most common finding and the root cause of the two most prevalent marathon injuries: IT band syndrome and PFPS
- WBLT < 10 cm (ankle dorsiflexion restriction) predicts plantar fasciitis and Achilles tendinopathy with high accuracy and is rapidly correctable with 4–5 weeks of daily calf stretching
- Screening should be performed 12–16 weeks before race day — at the start of the formal training plan — to allow time for corrective intervention
- Insurance may cover the screening when a physician referral is obtained; self-pay packages cost $125–$400 and represent one of the highest-value investments in marathon preparation
- The single most impactful standalone exercise for marathon injury prevention is single-leg hip abductor strengthening performed consistently throughout the training cycle
- Clinical Massage with Gloves: Sanitary Protocols, Allergy Prevention, and Techniques
- CAMTC Certification Guide: California Massage Therapy Council Application and Fees
- Cybex Testing in Rehabilitation: How Isokinetic Assessments Measure Muscle Strength
- Biodex Isokinetic Dynamometer Testing: Clinical Purpose, Cost, and Injury Assessment
- Massage Therapy Malpractice Insurance: Cost Comparison and Policy Exclusions
