Single Leg Stance Test

Purpose[edit | edit source]

The Single leg Stance (SLS) Test is used to assess static postural and balance control.

Ability to control anticipatory postural adjustments (APAs) prior to lifting one leg while standing in unsupported equilibrium represents a complex motor task that is significantly impaired by idiopathic Parkinson’s disease[1]

Control of standing balance is an important indicator of physical functioning and risk of falling. It is well known that balance is impaired with increasing age (1, 2) and with lower extremity pathology. Knee osteoarthritis (OA), one of the most common chronic health conditions, is associated with significant impairment and disability (3), and predominantly affects the elderly population[2]

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Performed with eyes open and hands on the hips.

Client must stand unassisted on one leg, timed from the time the other foot leaves the ground till when the foot touches the ground again or the arms leave the hips.

If unable to stand for 5 seconds or less client at greater risk of injury from fall.[3]

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Resources[edit | edit source]

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References[edit | edit source]

  1. Bonora G, Mancini M, Carpinella I, Chiari L, Ferrarin M, Nutt JG, Horak FB. Investigation of anticipatory postural adjustments during one-leg stance using inertial sensors: evidence from subjects with Parkinsonism. Frontiers in neurology. 2017 Jul 25;8:361.Available from:https://www.frontiersin.org/articles/10.3389/fneur.2017.00361/full (accessed 13.12.2020)
  2. Hunt MA, McManus FJ, Hinman RS, Bennell KL. Predictors of single‐leg standing balance in individuals with medial knee osteoarthritis. Arthritis care & research. 2010 Apr;62(4):496-500. Available from:https://onlinelibrary.wiley.com/doi/full/10.1002/acr.20046 (accessed 13.12.2020)
  3. Abilitiy lab SLS Available from:https://www.sralab.org/rehabilitation-measures/single-leg-stance-or-one-legged-stance-test (last accessed 13.12.2020)