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The Inflatable PT Ball in 34-inch (85 cm) size is the largest in the PT ball series, designed for physical therapy, rehabilitation, and advanced balance and stability training. Built from heavy-duty ribbed vinyl with a 600-pound weight capacity, this extra-large ball is best suited for very tall users who need a larger diameter for proper seated alignment, as well as for specialized therapy applications requiring a greater surface area and challenge level. Inflates easily with a standard air inflator. Blue color for easy identification in clinical and gym settings. Sold individually in plastic bag packaging. Country of Origin: China.
The 34-inch PT ball is best suited for physical therapists working with very tall patients — generally those 6'4" and above — who require an extra-large ball to maintain proper hip and knee alignment during seated therapy and exercise. It is also appropriate for advanced balance and proprioception training where a larger, less stable surface provides a greater neuromuscular challenge. Fitness professionals working with tall athletes or clients who have progressed beyond the standard 75 cm ball will find this size a practical next step. The 600 lb weight capacity ensures suitability across a broad range of patient and client populations.
What height user is the 34-inch / 85 cm ball designed for?
An 85 cm ball is generally recommended for users approximately 6'4" and taller when used as a seated exercise or therapy ball, with the goal of maintaining hips and knees at roughly 90-degree angles when seated. This is the largest size in the series and is intended for users who have found the 75 cm ball too small for comfortable seated alignment. Your physical therapist can confirm the correct size for your individual needs.
Is an air pump included?
No. An air inflator or pump is required to inflate the ball but is not included with this listing. A standard ball pump or electric inflator with a needle tip attachment is compatible. Inflate to the recommended 34-inch diameter and check firmness before use — do not over-inflate.
How does this compare to the other PT ball sizes?
This 34-inch (85 cm) ball is the largest in the series, stepping up from the 30-inch (75 cm) ball. It provides the greatest surface area and the most challenging balance surface of the range. If you are between 6'0" and 6'4", the 75 cm ball is typically the better fit. Reserve the 85 cm size for users 6'4" and above, or for advanced therapy protocols that specifically call for this diameter.
How do I care for and store the PT ball?
Wipe the surface with a damp cloth and mild soap after use. Avoid sharp objects, rough surfaces, and prolonged exposure to direct sunlight or extreme heat, which can degrade the vinyl over time. Store partially deflated if space is limited, and re-inflate to the correct diameter before use. Inspect regularly for signs of wear, cracking, or slow leaks.