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Lifting Techniques: Why Are We Not Using Evidence To Optimize Movement?

Nicholas B Washmuth1, Abby D McAfee2, C Scott Bickel1

  • 1Physical Therapy, Samford University.

International Journal of Sports Physical Therapy
|January 13, 2022
PubMed
Summary
This summary is machine-generated.

Optimal lifting techniques for preventing low back pain (LBP) are debated. Evidence suggests stoop lifting is not a risk factor, challenging clinical beliefs. A framework considering tissue health, capacity, and individual factors guides technique selection.

Keywords:
lifting techniqueoptimize movementsemi-squat liftsquat liftstoop lift

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Area of Science:

  • Biomechanics
  • Occupational Health
  • Physical Therapy

Background:

  • Lifting is a common activity and a known risk factor for low back pain (LBP).
  • Standard lifting techniques include stoop, squat, and semi-squat, with the squat technique often considered optimal by clinicians.
  • However, evidence indicates that squat lifting training does not prevent LBP, and stoop lifting is not inherently a risk factor.

Purpose of the Study:

  • To address the discrepancy between clinical beliefs and evidence regarding optimal lifting techniques for low back pain (LBP).
  • To introduce a clinical framework for determining the most appropriate lifting technique for individual patients.
  • To guide clinicians in applying evidence-based practices for lifting interventions.

Main Methods:

  • Review of existing literature on lifting biomechanics and low back pain (LBP).
  • Analysis of the disconnect between clinical practice and scientific evidence on lifting techniques.
  • Proposal of a clinical framework: 'calm tissue down, build tissue up, improve work capacity'.

Main Results:

  • Stoop lifting is metabolically efficient and less taxing on the cardiopulmonary system.
  • Minimal biomechanical differences in spinal posture and load exist between stoop, squat, and semi-squat lifts.
  • Distinct kinematic and muscle activation patterns vary among lifting techniques, impacting the movement system.

Conclusions:

  • There is no single universal optimal lifting technique for all situations.
  • A framework considering metabolic, biomechanical, physical stress tolerance, and pain factors is crucial for selecting the best technique.
  • The 'calm tissue down, build tissue up, improve work capacity' framework aids in optimizing movement and minimizing injury risk for individuals.