Ten Core Moves You Can Do With One Ball
A single stability ball and fifteen minutes. Ten movements that build deep core strength without a single crunch.
Read moreThe journal
Everything we have learned about sizing, sequencing and keeping a ball alive past year one.
5 min
A height-based guide to picking the diameter that keeps your hips above your knees — and why nearly everyone buys one size too big.
Read the guideA single stability ball and fifteen minutes. Ten movements that build deep core strength without a single crunch.
Read moreAnti-burst is not a marketing word — it describes a specific failure mode. Here is what changes when a ball is punctured under load.
Read moreSwap your chair twice a day and reset your pelvis, spine and breath in under twenty minutes.
Read moreA gentle full-body sequence for brand-new ball owners. No experience, no other equipment.
Read moreFrom two-stage inflation to storage temperature, the small habits that keep a ball performing for years.
Read moreFour gentle positions that decompress the lumbar spine, and the two common moves to skip entirely.
Read moreFloor spacing, hygiene, sizing a mixed room, and how to sequence a class where everyone is on a different diameter.
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