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Erik Dalton Blog

image 3. Tibiotalar A-P Joint Play

Joint Play the Mennell Way

Everything designed to move has a built-in factor of “play” to promote efficient functional movement. For example, an automobile pis­ton and cylinder, a wheel on an axle, and even a simple hinge all have calculated play between their moving parts to allow efficiency of movement. Why not in a human joint?…

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Don’t Blame the Rotator Cuff

The term Arthro (joint) Kinetic (motion) Reflex was coined by University of Pittsburg researchers to describe how sensory input from joint movement reflexively activates or inhibits muscles – and no other place in the body is this concept more applicable than in the joints and connective tissues of the shoulder girdle.

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Addressing SI Joint Syndrome

In the early 20th century, sacroiliac joint syndrome (SIJ) was the most common medical diagnosis for low back pain, which resulted in that period being labeled the “Era of the SI Joint.” Any pain emanating from the low back, buttock or adjacent leg usually was branded and treated as SIJ.

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I’m blaming it on the AC joint!

The AC joint sits on the point of the shoulder lateral to the sternoclavicular (SC) and proximal to the glenohumeral (GH) joint. Regrettably, this oft-overlooked bony articulation receives little respect from most manual therapists. Both the AC and SC joints play vital roles in the biomechanics of throwing and other upper-limb activities.

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Nerve mobilization

Quad Pain and Femoral Nerve Entrapment

The femoral nerve is one of the largest neural structures in the leg. Its branches supply sensation to the upper thigh and control the quadriceps muscle, which is responsible for straightening the knee. Femoral nerve impingement can produce various symptoms. Numbness, tingling and shooting pain into the leg (and sometimes into the groin area) is common.

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