Plantar fasciitis is a biomechanical overload condition affecting the thick band of connective tissue known as the plantar fascia, which runs from the calcaneus (heel bone) to the toes. This structure plays a vital role in maintaining the medial longitudinal arch and supporting efficient force transfer during standing, walking, and running.
Biomechanically, the plantar fascia functions as a tension-bearing structure that stores and releases elastic energy during gait. When the foot contacts the ground, the arch flattens slightly to absorb shock, stretching the plantar fascia. As the heel lifts and the toes extend, the windlass mechanism tightens the fascia, elevating the arch and transforming the foot into a rigid lever for propulsion.
Excessive strain occurs when repetitive loading exceeds the tissue’s capacity to recover. Factors such as overpronation, reduced ankle dorsiflexion, prolonged standing, sudden increases in activity, or inadequate footwear can increase tensile stress at the fascia’s origin on the calcaneus. Microtearing and degenerative changes develop, producing pain at the medial heel, especially during the first steps in the morning.
Limited ankle mobility and tight calf muscles further increase stress on the plantar fascia by forcing compensatory pronation and increasing traction forces during gait. Weak intrinsic foot muscles may also reduce arch support, shifting more load onto passive structures like the fascia.
Effective management focuses on restoring optimal load distribution. Improving calf flexibility, enhancing foot intrinsic strength, supporting the arch, and correcting gait mechanics can reduce stress and promote tissue recovery. Gradual loading and appropriate footwear help restore efficient foot biomechanics.
A resilient arch supports every step — restore balance and the foot regains strength, stability, and pain-free movement.
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Chiropractic research is advancing rapidly, with significant findings in areas such as spinal manipulation, safety, and effectiveness, as highlighted by recent studies from 2025.
Recent Findings in Chiropractic Research
Cervicogenic Headache Care: A study found that sustained natural apophyseal glides (SNAG) mobilization significantly improves pain and function in patients with cervicogenic headaches. Additionally, cervical spine manipulation was shown to be the most effective short-term intervention for reducing pain and disability compared to other methods like mobilization and massage.
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