This is an exaggerated curve of the thoracic region.
The weak stretched muscles that require strengthening are:
the middle fibres of trapezius, the rhomboids and the middle part of erector spinae.
The tight muscles that require stretching are: pectoralis major and the neck extensors.
^Exa^ jj thoracic curve
Figure 8.7 Kyphosis.
Sitting or stride standing - gently drop the head forward pulling chin in, press the head back making a long neck and raise.
Lax stoop sitting - raise the trunk gradually from the base of spine upwards.
Lying, arms at right angles with elbows bent - retract the shoulders pressing back of hand into the floor.
Prone lying, hands clasped behind back - keep chin in, pull shoulders back and lift head and shoulders off the floor.
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If you weaken the center of any freestanding structure it becomes unstable. Eventually, everyday wear-and-tear takes its toll, causing the structure to buckle under pressure. This is exactly what happens when the core muscles are weak – it compromises your body’s ability to support the frame properly. In recent years, there has been a lot of buzz about the importance of a strong core – and there is a valid reason for this. The core is where all of the powerful movements in the body originate – so it can essentially be thought of as your “center of power.”