Strength training can significantly improve bone density by stimulating bone remodeling and growth. When muscles contract against resistance, it creates mechanical stress on the bones, triggering an adaptive response where bone-forming cells, or osteoblasts, work to rebuild and strengthen bone tissue. Increased muscle mass also enhances stability and reduces the risk of falls, which is vital for preventing fractures. Engaging in regular resistance exercises, such as lifting weights or using resistance bands, promotes lifelong bone health, especially crucial as one ages and bone density tends to decrease.