IWT keeps intensity below HIIT’s near‑max bursts while preserving interval advantages, offering a joint‑friendly path for older adults or beginners seeking superior results to normal walking.
(Disclaimer: This content is for general information only and isn’t a substitute for professional medical advice or diagnosis; anyone with heart, lung, or metabolic conditions, recent injury, or new to exercise should consult a qualified clinician before starting or changing an exercise routine.)
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