Fitness Assessment
The Shoulder Complex, Part II
TThe multiarticular complex of the shoulder gives rise to the dynamic movement potential of the arm at the glenohumeral joint. If it were not for the physiological necessity of the scapulo-thoracic “joint” (discussed in the previous Fine Anatomy column, “The Shoulder Girdle,” IDEA Personal Trainer, October 2003, p.36) and its role during abduction or flexion of the upper limb to elevate, rotate, tilt and swivel, the elementary movements of the arm would be greatly limited.
The Shoulder Girdle
The closer we look at movement or the potential movement of the human body, the more dynamic, intricate and specific it becomes. When studying the appendicular skeleton, personal trainers will…
The Spinal Extensors
This is the eighth in a series of articles that address how muscles work synergistically to create efficient movement at each joint. The previous article examined the muscles that support…
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