Weak Core
Reduced strength or endurance of the deep trunk stabilising muscles, often contributing to low back pain, postural instability, and movement dysfunction.
Quick answer
Weak core describes reduced strength, endurance, or motor control of the deep stabilising muscles of the trunk — including the transversus abdominis, multifidus, pelvic floor, and diaphragm. ICD-10: M62.81 (muscle weakness); ICD-11: FB56. Associated with low back pain, pelvic floor dysfunction, and movement inefficiency.
Recognition
Do any of these feel familiar?
Lower back that gives way or aches with prolonged standing, difficulty maintaining posture through the day, a sense of 'nothing holding things together' in the back, and vulnerability to back pain with relatively minor physical tasks.
What is Weak Core?
Reduced strength or endurance of the deep trunk stabilising muscles, often contributing to low back pain, postural instability, and movement dysfunction.
Approaches Commonly Explored
Commonly explored for conditions related to Weak Core, grouped by mechanism — select your subtype above to highlight the most relevant path.
How to use these approaches
Most people begin with Stabilise approaches, then progress toward Resolve and Sustain.
Physical structures — muscles, joints, fascia, and posture.
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