Functional Movement Screen: Uncover Hidden Weaknesses and Boost Performance

The functional movement screen (FMS) has become a go-to tool for coaches, physical therapists, and serious exercisers who want to move better, perform better, and reduce injury risk. Instead of guessing where your weaknesses are, the FMS gives you a structured way to find movement limitations and asymmetries before they turn into pain or sidelining injuries.

This guide explains what the functional movement screen is, how it works, who it’s for, and how to use it to build smarter, safer training programs.

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What Is the Functional Movement Screen?

The functional movement screen is a standardized series of seven fundamental movement patterns. It was developed by physical therapist Gray Cook and strength coach Lee Burton to identify mobility restrictions, stability issues, and left-right asymmetries.

The seven tests are:

1. Deep Squat
2. Hurdle Step
3. In-Line Lunge
4. Shoulder Mobility
5. Active Straight-Leg Raise
6. Trunk Stability Push-Up
7. Rotary Stability

Each movement is scored from 0–3:

• 3 – Performs movement correctly without compensation
• 2 – Performs movement with some compensation or imperfection
• 1 – Cannot perform the movement pattern
• 0 – Pain occurs during the movement

The total score ranges from 0 to 21, but the pattern of scores and asymmetries is more important than the total number.

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Why the Functional Movement Screen Matters

Most training programs focus on strength, endurance, or speed. The functional movement screen focuses on how you move, not how much you can lift or how fast you can run.

Key benefits include:

• Early detection of risk factors – Limited mobility, poor stability, or asymmetries can increase injury risk (source: National Library of Medicine).
• Targeted corrective work – You get clear insight into which joints or patterns need attention.
• Better performance foundation – Efficient movement patterns allow you to apply strength and power more effectively.
• Objective baseline – Scores provide a repeatable way to track improvements in movement quality over time.

Instead of waiting for pain to show you what’s wrong, FMS helps you proactively uncover what might cause pain later.

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Who Should Use the Functional Movement Screen?

The functional movement screen is valuable for a wide range of people:

• Athletes – To reduce time lost to injury and sharpen movement efficiency.
• Lifters and CrossFitters – To spot breakdowns that could turn into shoulder, knee, or low-back problems.
• Runners and endurance athletes – To identify hip, ankle, or core issues that affect stride and stamina.
• General fitness enthusiasts – To move better in daily life and prevent nagging aches.
• Rehab and post-rehab clients – To bridge the gap between therapy and full training.

You don’t need to be injured or elite. If you move, the FMS can tell you how well—and where to improve.

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Breaking Down the 7 FMS Tests

Here’s what each part of the functional movement screen looks at and what common issues it reveals.

1. Deep Squat

Purpose: Assess total-body mobility and stability—ankles, hips, thoracic spine, shoulders, and core.

What it reveals:

• Limited ankle dorsiflexion
• Hip mobility restrictions
• Poor thoracic extension or overhead shoulder mobility
• Inadequate core stability

2. Hurdle Step

Purpose: Evaluate single-leg stance stability, hip mobility, and balance.

What it reveals:

• Imbalances between right and left hip mobility
• Poor single-leg stability
• Pelvic control issues that often show up in running or cutting sports

3. In-Line Lunge

Purpose: Assess hip and ankle mobility, quadriceps flexibility, and dynamic trunk stability on a narrow base of support.

What it reveals:

• Asymmetries in leg strength or control
• Limited hip extension or ankle mobility
• Poor lateral and rotational stability of the trunk

4. Shoulder Mobility

Purpose: Examine shoulder flexion/extension, internal and external rotation, plus thoracic spine mobility.

What it reveals:

• Imbalances between left and right shoulders
• Thoracic spine stiffness
• Restrictions that can set up overuse issues in pressing, overhead lifting, or throwing

5. Active Straight-Leg Raise

Purpose: Test hamstring and calf flexibility and the ability to disassociate hip movement from a stable trunk.

What it reveals:

• Tightness through posterior chain
• Poor core control during lower-body movement
• Asymmetries between left and right hamstrings/hips

6. Trunk Stability Push-Up

Purpose: Check reflexive core stability during an upper-body pushing motion.

What it reveals:

• Inability to stabilize spine under load
• Compensations in low back or neck during pushing
• Core timing and control issues

7. Rotary Stability

Purpose: Assess multi-plane control, especially during contralateral (opposite arm/leg) patterns.

What it reveals:

• Weakness in cross-body stabilization (critical for running, throwing, and change-of-direction sports)
• Motor control deficits in diagonal patterns
• Coordination issues between upper and lower body

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How the Functional Movement Screen Is Performed

A full functional movement screen takes about 10–20 minutes when done by a trained professional.

Basic process:

1. History and context – You share your training background, goals, and any current pain.
2. Movement demo and setup – The practitioner explains each pattern and positions you correctly.
3. Screening – You perform each movement up to three times on each side if needed.
4. Scoring and notes – The screener records scores and observations, especially asymmetries and compensations.
5. Interpretation – Your results are prioritized into what needs immediate attention versus longer-term improvement.
6. Corrective plan – You receive exercises and strategies tailored to your findings.

Although there are videos and apps to help you self-screen, getting assessed by a certified FMS practitioner maximizes accuracy and insight.

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Understanding FMS Scores: More Than a Number

A common misconception about the functional movement screen is that it’s all about the total score. In reality, interpretation is more nuanced.

Important points:

• Total score: Often cited threshold values appear in research, but they are population-specific and not absolute rules.
• Asymmetries matter most: A “2” on your right leg and “1” on your left in the same test is more meaningful than whether your total is 15 or 17.
• Zeros (pain) are red flags: Any score of 0 warrants further evaluation before hard training continues.
• Patterns guide programming: The lowest-scoring patterns are usually addressed first in corrective work.

Think of the FMS as a map, not a verdict. It points to where you should focus, not whether you’re “good” or “bad” at moving.

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From Screen to Action: Using FMS to Improve Performance

The power of the functional movement screen lies in what you do after the assessment. The goal is not to get a “perfect” 21; it’s to turn your limitations into strengths.

A typical approach:

1. Prioritize pain and dysfunction

   • Address any painful patterns with a medical or rehab professional.
   • Avoid loading painful movements heavily until cleared.

2. Fix asymmetries next

   • Emphasize single-leg, single-arm, and unilateral patterns.
   • Use re-tests periodically to track changes side-to-side.

3. Address mobility before stability

   • If a joint can’t move through a necessary range, build that mobility first.
   • Then train stability and strength through that new range.

4. Integrate corrective work into warm-ups

   • Make mobility and activation drills part of your daily warm-up.
   • Use shorter, more frequent exposures rather than long, occasional sessions.

5. Progress to loaded and high-speed drills

   • Once patterns improve unloaded, gradually add load and speed.
   • Use strength, power, and conditioning exercises that challenge the improved pattern without overwhelming it.

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Sample Corrective Strategies Based on Common FMS Findings

Here are example approaches for frequently seen limitations on the functional movement screen. (Always customize based on your own assessment.)

• Poor Deep Squat (1 or 2 with compensation)

  • Ankle dorsiflexion work (knee-to-wall mobilizations, calf stretching)
  • Hip mobility (90/90 transitions, dynamic hip openers)
  • Thoracic spine extension and rotation drills
  • Goblet squats to a box to groove pattern with support

• Limited Shoulder Mobility

  • Thoracic extension over foam roller
  • Wall slides and scapular control drills
  • Sleeper stretch and cross-body posterior shoulder stretch
  • Gradual progression to overhead pressing with strict form

• Low Trunk Stability Push-Up Score

  • Dead bugs, bird dogs, and plank variations
  • Anti-extension and anti-rotation core training (ab wheels, rollouts, Pallof press)
  • Push-up regressions from an incline while maintaining strict trunk alignment

• Asymmetric Active Straight-Leg Raise

  • Hamstring and posterior chain flexibility on the tight side
  • Core stabilization to avoid lumbar compensation
  • Assisted leg raises and banded mobility to improve range

These correctives can be placed at the start of your session, between sets, or on dedicated “movement quality” days.

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How Often Should You Do a Functional Movement Screen?

For most people, repeating the functional movement screen every 8–12 weeks works well. You might re-test sooner if:

• You started a focused corrective exercise block
• You returned to training after injury
• You significantly changed your training style (e.g., added heavy lifting or a new sport season began)

Coaches working with teams often screen at:

• Pre-season (baseline)
• Mid-season (check-in)
• Post-season (off-season planning)

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Limitations and Misconceptions

The functional movement screen is powerful, but it isn’t magic or perfect.

Key limitations:

• Not a diagnostic tool – It won’t tell you exactly which tissue is injured or give a medical diagnosis. Pain findings should be referred out.
• Not a performance test – Elite athletes can have average FMS scores yet perform at a very high level. It’s about risk and efficiency, not talent.
• Context matters – Age, training age, sport demands, and injury history all influence how your results should be used.

When used correctly, FMS is one piece of a complete performance and health strategy, not the only tool.

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Simple Steps to Get Started With FMS

To put the functional movement screen to work for you:

1. Find a qualified practitioner

   • Look for a certified FMS professional at a sports performance facility, physical therapy clinic, or strength and conditioning gym.

2. Get screened before pain appears

   • Don’t wait for an injury; use the screen proactively to shape your training.

3. Commit to the corrective work

   • The screen only helps if you follow through with the recommended exercises consistently.

4. Use it to guide—not replace—training

   • Keep lifting, running, and practicing your sport. Use FMS findings to make what you already do safer and more effective.

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FAQ About the Functional Movement Screen

1. Is the functional movement screening process only for injured people?
No. The functional movement screening process is designed primarily for healthy individuals to identify potential risk factors before they cause injury. It’s commonly used in pre-participation evaluations for athletes and active adults.

2. How reliable is a functional movement screening test for predicting injury?
Research on the functional movement screening test shows mixed results. Lower scores and asymmetries are associated with higher injury risk in some groups, but FMS is best viewed as a risk indicator, not a guaranteed predictor. It should be combined with other assessments for a complete picture.

3. Can I perform a functional movement screen at home by myself?
You can approximate a functional movement screen at home using online guides and videos, but self-scoring is challenging and may miss subtle compensations. For the most accurate functional movement screening assessment, working with a certified practitioner is recommended.

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Improving performance isn’t just about pushing harder; it’s about moving smarter. The functional movement screen gives you a clear, objective starting point to uncover hidden weaknesses, fix imbalances, and build a more resilient, powerful body.

If you’re serious about your health and performance, schedule a functional movement screen with a qualified coach or therapist. Use the results to tailor your warm-ups, correct your limitations, and unlock better movement patterns—before pain or injury forces you to. Your future training, and your future self, will thank you for it.