Orthopaedics · Skeletal System · Easy
Coccyx
Meaning: Small triangular tailbone formed from fused rudimentary vertebrae below the sacrum.
In practice: Instability with posterior subluxation after trauma is linked to chronic pain on sitting.
Quick check
Two questions on related orthopaedics words.
Which word means: A connection between two or more bones that allows varying degrees of movement.
Answer: Joint
Which word means: Backward angulation of the femoral neck, the opposite of normal forward torsion.
Answer: Retroversion
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