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In this brief fitness monologue, Eric Roberts warns that cushioned, foamy running shoes are unsuitable for weight‑lifting exercises such as squats, lunges, and Bulgarian split squats. He explains that the soft sole makes the foot wobble, leading to poor balance, knee and hip discomfort, and limits the amount of weight you can safely lift. He then advises switching to flat‑soled shoes, which provide a stable base, improve balance, reduce joint strain, and enable heavier lifts, effectively giving viewers a reason to purchase new, appropriate footwear for the gym.
