The Biomechanics of Gait

By: Jeffrey D. Olsen, DC The biomechanics of gait affect not only the lower extremities, but also the rhythmic movements of the entire body. To appreciate this obvious relationship, picture running with your arms folded across your chest or with your chin tucked. Just like restricting these key components of a balanced gait feels awkward, 

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Lower Extremity Abnormalities and Paraspinal Muscle Function

By: Christopher Kent, DC Objective Assessment of the Relationship Between Lower Extremity Abnormalities and Paraspinal Muscle Function Using Surface Electromyography Physical, chemical, and emotional stress may result in spinal problems, including vertebral subluxation. A common cause of physical stress is aberrant posture due to structural asymmetry in the lower extremity. Chronic physical stress caused by leg length 

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Pedal Stress Fractures and Orthotic Support

By: Mark N. Charrette, DC Stress fractures are a common cause of foot pain, especially in the active population.1 Patients will report a dull, aching pain sensation in the foot that is often poorly localized (Fig. 1). The nagging pain increases during weightbearing and gait, and often remains for a while after use. It commonly subsides 

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Radiology Corner – What Are These Peculiar Calcifications?

By: Terry R. Yochum, DC, DACBR, Fellow, ACCR and Michael S. Barry, DC, DACBR History This eight-year-old patient presents with a history of scoliosis and back pain. Where and what are the peculiar calcifications? Are these symptom-producing lesions? (See next page.) Diagnosis Childhood idiopathic intervertebral disc calcification. Discussion There are two forms of disc calcification, apparently 

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