Human Locomotion

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Gait Retraining for Knee Hyperextension
Gait Retraining for Knee Hyperextension

Unlike the hip joint, which possesses a deep ball and socket that provides inherent stability to reduce stress on the restraining ligaments, the knee is particularly prone to injury because the flatness of the tibial plateau provides little protection against...

Managing Limb Length Discrepancies
Managing Limb Length Discrepancies

Excerpted from his book, Human Locomotion Limb length discrepancy (LLD), which is divided into functional and structural categories, is a common cause of injury. In a study of 3,026 subjects with radiographically confirmed LLD, Harvey et al. (152) determined that...

Managing Achilles Tendinitis
Managing Achilles Tendinitis

Excerpted from his book, Injury-Free Running, Second Edition Despite its broad width and significant length, runners injure their Achilles tendons with surprising regularity. In a recent study of 69 military cadets participating in a six-week basic training program...

Does a Torn Rotator Cuff Really Require Surgery?
Does a Torn Rotator Cuff Really Require Surgery?

Summary: Tears of the rotator cuff tendons are extremely common, and the vast majority of these tears involve the supraspinatus tendon. Because small to moderate thickness supraspinatus tears respond so well to conservative care, where- as massive full-thickness tears...

The Overlooked and Underappreciated Soleus Muscle
The Overlooked and Underappreciated Soleus Muscle

Summary: Soleus is the largest muscle of the leg, producing force of nearly 8 times body weight during pushoff. The world’s fastest marathon runners have the largest soleus muscles, and weakness of the soleus correlates with the development of Achilles tendinopathy....

Novel Exercises and Stretches for Managing High Blood Pressure
Novel Exercises and Stretches for Managing High Blood Pressure

According to the World Health Organization, hypertension is a leading cause of stroke and cardiovascular disease, which cause more than 15 million deaths annually (1). Affecting more than 1.3 billion people worldwide, arterial hypertension is diagnosed when systolic...

The Peel and Stick Interdigital Neuroma Balance
The Peel and Stick Interdigital Neuroma Balance

Summary Interdigital neuromas are common, poorly studied, and notoriously difficult to treat. By offloading the third and fourth metatarsal heads throughout propulsion, the new Peel and Stick interdigital neuroma balance allows you to effectively treat interdigital...

The Peel and Stick Sesamoid Balance
The Peel and Stick Sesamoid Balance

Summary Sesamoid injuries are extremely common, especially in high-arched individuals. The new Peel and Stick Sesamoid Balance is thicker than most sesamoid balances, and is made of a blend of urethane rubber, PPT, and synthetic suede designed to significantly reduce...

Five Simple Exercises to Prevent Age-Related Muscle Loss
Five Simple Exercises to Prevent Age-Related Muscle Loss

It’s a depressing fact but shortly after age 50, you begin to lose nearly 2 percent of your muscle fibers each year. Figure 1 is a graph of the average number of quadriceps muscle fibers present in adults aged 18 to 82 (1). Looking at the center of the graph, you can...

In-Office Screening to Rule Out Vertebral Artery Dissection
In-Office Screening to Rule Out Vertebral Artery Dissection

Published June 2019, Dynamic Chiropractic Magazine, Volume 37 No. 6 In any given year, nearly one in 100,000 adults will develop a vertebral artery dissection (VAD) (1) (Fig. 1). Factors that increase the risk of dissection include elevated homocysteine levels,...

How to Rehab a Sprained Ankle
How to Rehab a Sprained Ankle

Ankle sprains are surprisingly common. In the United States alone, 23,000 people sprain their ankle each day (Fig. 1). The medical costs associated with treating ankle sprains exceeds $1.1 billion annually (1,2). To make matters worse, these numbers do not take into...

The Best Ways to Prevent Age-Related Muscle Loss
The Best Ways to Prevent Age-Related Muscle Loss

By Tom Michaud, D.C., Published October 2018, Lower Extremity Review Magazine Shortly after age 50, the rate at which a person loses muscle mass begins to accelerate (1). Figure 1 is a graphical representation of the average number of quadriceps muscle fibers present...

The Importance of Toe Strength in Preventing Falls in the Elderly
The Importance of Toe Strength in Preventing Falls in the Elderly

In any given year, nearly 40% of senior citizens aged 70 and over will fall at least once (1). Each fall significantly increases the risk of not only sprains, strains, and contusions, but also fractures. The resultant injuries often begin a downward spiral of weakness...