--- title: "Slump Test" description: "The Slump Test requires sequential positioning, symptom recording, knee extension scoring and careful non-diagnostic interpretation." url: https://help.matassessment.com/en/articles/183-slump-test collection: "Range of Motion (AROM/PROM)" updated: 2026-05-21 language: en --- # Slump Test The Slump Test requires sequential positioning, symptom recording, knee extension scoring and careful non-diagnostic interpretation. The Slump Test assesses symptom response during combined spinal flexion, knee extension and ankle movement. It is often used to explore neural mechanosensitivity or low-back-related leg symptoms, but it is not a stand-alone diagnostic test. The result should be recorded with symptom location, symptom quality, side, pain score, movement step and response to easing or sensitising movements. ## Introduction A client may report posterior thigh symptoms, lower-limb tingling, back-related leg symptoms or discomfort during sitting and forward bending. The Slump Test can help assess whether symptoms are influenced by combined spinal and lower-limb neurodynamic loading. Because the test can be provocative, the goal is not to force symptoms. The goal is to understand symptom behaviour and record it clearly. ## Quick Summary Test name: Spine Slump Test Purpose: Assess symptom response to combined spinal and lower-limb neurodynamic loading Movement: Seated spinal flexion with knee extension and ankle movement Joint/body region: Spine, posterior thigh and neural pathway ROM type: Neurodynamic symptom response test Score: Positive/negative/unclear response, symptom step, pain score and symptom location Equipment: Chair or table, pain scale and Measurz Best used with: Straight Leg Raise, lumbar ROM, neurological screen, hip ROM and symptom behaviour Key limitation: A positive Slump Test does not diagnose a condition by itself ## What Is the Slump Test? The Slump Test is a seated neurodynamic test. It combines spinal flexion, neck flexion, knee extension and ankle dorsiflexion to increase tension through neural tissues. The test may reproduce posterior thigh or leg symptoms in some clients. It should be interpreted based on symptom familiarity, location, change with sensitising/easing movements and comparison side. ## Why It Is Used The test is used to assess whether symptoms are influenced by neurodynamic loading. It may help inform: Low-back-related leg symptom assessment Posterior thigh symptom behaviour Straight Leg Raise interpretation Movement sensitivity Symptom irritability Progress tracking across sessions ## What It Measures The Slump Test measures symptom response to a sequence of spinal and lower-limb movements. It may reflect: Neural mechanosensitivity Posterior thigh symptom behaviour Spinal flexion sensitivity Ankle dorsiflexion sensitisation Symptom irritability Movement tolerance It does not identify the exact tissue source or confirm a diagnosis on its own. ## Active vs Passive Range of Motion The Slump Test is an active or guided neurodynamic test rather than a standard ROM test. The client moves through the sequence while the professional guides posture, observes symptoms and records the response. ## Who It Is Useful For This test may be useful for clients with posterior thigh symptoms, low-back-related leg symptoms, neural-type symptoms, symptoms with sitting or bending, or unclear differences between hamstring stretch and neural symptoms. ## Equipment Required Chair, table or plinth Pain scale Measurz for recording symptoms and test response Optional inclinometer for knee extension angle Optional neurological screen notes ## Step-by-Step Protocol or How to Apply This in Practice ### Starting position Position the client sitting upright on a table or chair with hands behind the back or in a standardised relaxed position. ### Client position The client sits tall before moving into the slump sequence. ### Professional position Stand beside the client to observe spine position, knee movement, ankle movement and symptom response. ### Body/joint setup Start with neutral sitting posture. ### Movement instruction Ask the client to slump through the spine, then add neck flexion if part of the protocol. Extend the tested knee, then add ankle dorsiflexion if appropriate. Easing movements such as releasing neck flexion can be used to assess symptom change. ### What to ask Ask about pain, pulling, tingling, numbness, burning, stretch, symptom location and whether symptoms are familiar. ### Stopping rules Stop if symptoms increase sharply, neurological symptoms worsen, symptoms are slow to settle or the client cannot tolerate the position. ### What to record Record side, step that reproduced symptoms, pain score, symptom location, symptom quality, easing response, sensitising response and comparison side. ### Number of trials Use minimal repetitions when symptoms are irritable. Avoid repeated provocative testing. ### Retest consistency Use the same sequence, posture, speed, endpoint and symptom criteria each session. ## Scoring and Interpretation The Slump Test may be recorded as positive, negative, unclear or unable to test, but the most useful information is often the symptom behaviour. Record: Where symptoms occur Whether symptoms are familiar Which step reproduces symptoms Whether symptoms change with neck or ankle movement Whether symptoms differ side to side Whether symptoms settle after testing A response is more meaningful when it reproduces familiar symptoms and changes with sensitising or easing movements. A positive test does not diagnose a condition by itself. ## Reliability and Validity A 2020 diagnostic validity study of neurodynamic and orthopaedic tension tests examined Slump, Straight Leg Raise and related tests for lumbar and lumbosacral radiculopathy, supporting the idea that neurodynamic tests should be interpreted as part of a broader assessment rather than alone. ([mdpi.com](https://mdpi.com)) Recent clinical discussion also highlights that neurodynamic tests are influenced by symptom criteria, technique and interpretation, reinforcing the need for clear recording of symptom behaviour rather than simple positive/negative labels. ## Common Errors and Testing Limitations Common errors include forcing the end position, failing to record the step that reproduced symptoms, interpreting any stretch as positive, not using easing movements, ignoring symptom irritability and repeating the test unnecessarily. Limitations include symptom overlap, hamstring stretch contribution, client apprehension, inconsistent sequencing and variable test interpretation. ## Practical Applications Use the Slump Test to document symptom behaviour and support reasoning around neural sensitivity, posterior thigh symptoms and low-back-related leg symptoms. ## How to Record This in Measurz In Measurz, record the test side, result, pain score, symptom location, symptom quality, step that reproduced symptoms, knee angle if measured, ankle position, neck position, easing response, comparison side and retest notes. Track change across sessions and compare with SLR, lumbar ROM, hip ROM, neurological screen and functional movement findings. ## Related Tests or Internal Linking Suggestions Straight Leg Raise Test Femoral Nerve Tension Test Spine Flexion Test Spine Extension Test Hip Flexion Test 90/90 Active Knee Extension Test Neurological Screen Running Assessment ## FAQs ### What does the Slump Test assess? It assesses symptom response to combined spinal and lower-limb neurodynamic loading. ### Is the Slump Test a ROM test? It is better considered a neurodynamic symptom response test, although range and movement steps can be recorded. ### What is a meaningful Slump Test response? A response is more meaningful when it reproduces familiar symptoms and changes with sensitising or easing movements. ### Can the Slump Test diagnose a condition? No. It supports clinical reasoning but does not diagnose a condition on its own. ### What should be recorded? Record symptom location, pain score, step of symptom reproduction, easing response and comparison side. ## Key Takeaways The Slump Test assesses symptom behaviour during neurodynamic loading. Record the exact step that reproduces symptoms. Stretch alone is not the same as familiar neural-type symptoms. Interpret with SLR, lumbar ROM and neurological findings. Measurz should capture symptoms, step, side and response to easing movements. ## References Bueno-Gracia, E., et al. (2020). Use of neurodynamic or orthopedic tension tests for the diagnosis of lumbar and lumbosacral radiculopathy: Study of the diagnostic validity. _International Journal of Environmental Research and Public Health, 17_(19), 7046. Clarkson, H. M. (2020). _Musculoskeletal assessment: Joint range of motion, muscle testing, and function_ (4th ed.). Wolters Kluwer. Shacklock, M. (2005). _Clinical neurodynamics: A new system of neuromusculoskeletal treatment_. Older contextual source retained where exact neurodynamic protocol background is useful.