The Shoulder Complex: Demystifying the Shoulder with Eric Beard

The shoulder joint itself is known as the glenohumeral joint. It is a multi-axial ball and socket enarthrodial joint. This joint is the articulation between the glenoid fossa of the scapula and the head of the humerus. This is the area that most people think of as the shoulder joint. The humerus is, however, one bone of the shoulder.

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Ideal Postural Alignment (Normal Posture)

In this postural alignment the neck is slightly extended, the upper back is in slight flexion, and the lower back is in slight extension.

What follows is a brief over-view of normal or "ideal" postural alignment. It should not be considered to encompass all the structural variations that can exist, but may still be considered normal and having not arisen from aquired postural distortions.

The slightly extended inward curve of the neck (cervical spine) and lower back (lumbar spine) is referred to as lordotic.

In this way a normal slightly arched position of the neck and lumbar in a position of lordosis.

However, this term is generally meant to mean a hyper-extended or over-arched position.

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Wobble Boards, Bosu Balls, or Foam: What's The Difference?

You've probably seen a wobble board before. They are these round discs with a ball or disc underneath them. Bosu balls are similar but they are more like a half swiss ball with a platform attached. Figure 3 below shows a boy jumping from bosu ball to bosu ball using the "ball" side. These can also be turned over on a hard surface so that the ball is a pivot. People use this method for pushups, for instance.

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Romanian Versus Stiff Legged Deadlifts

These two exercises, stiff legged deads and Romanian deads, I think have sort of been wrapped around each other in myth and shadows.

Everybody seems to have a different take.

Not to mention that some people teach the conventional deadlift based on its difference from these other two. So you get this kind of thing like "conventional deadlifts are more like a squat than the stiff or Romanians".

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