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Diagonal Anterior Chains or "Closing Chains"

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On the Trunk

• Deep plane: left obliquus internus

• Superficial plane: right obliquus externus

• Right external intercostal muscles

• Right posterior superior serratus

 

Connection to the right Shoulder

• Right transversus thoracis

• Right pectoralis minor

• Pars ascendens of the right trapezius

• Right anterior serratus

• Right rhomboidei

 

Connection to the Right Arm

• Right pectoralis major

• Right teres major

• Right rhomboidei

 

Connection to the Cervical Spine

• Right scaleni muscles

• Left splenius colli

 

Connection to the Head

• Right subclavius

• Left splenius capitis

• Pars descendens of the left trapezius

 

Connection to the Lower Extremity

• Pyramidalis abdominis

 

Dominance of this muscle chain results in an  internal rotation and abduction of the hip, valgus of the knee and hindfoot, pronation of the foot, and bunion.

 

 

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