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GCSE Physical Education · key term
A muscle that stabilises a joint or body part to support the agonist and prevent unwanted movement.
Used by OCR
Paper 1
Revise: Muscle Roles in MovementA fixator is a muscle that stabilises a joint or body part so that the agonist can work effectively. Rather than producing the main movement being analysed, it helps prevent unwanted movement elsewhere.
When giving a fixator example, name the muscle and the activity, then explain what it stabilises.
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