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Table 2 Functional characteristics of muscles in the lordotic posture

From: Non-structural misalignments of body posture in the sagittal plane

Muscle

Lengthened

Shortened

Hypoactive

Hyperactive

Rectus abdominis

+

  

+

Abdominal internal oblique (anterior part)

+

  

+

Abdominal internal oblique (posterior part)

+

 

+

 

Abdominal external oblique

+

  

+

Gluteus maximus

+

 

+

 

Gluteus medius (posterior part)

+

 

+

 

Hamstrings

+

  

+

Erector spinae part lumbar (in sitting)

+

 

+

 

Erector spinae part lumbar (in standing)

 

+

+

 

Quadratus lumborum (medial part)

 

+

+

 

Quadratus lumborum (lateral part)

 

+

 

+

Iliacus

 

+

+

 

Psoas

 

+

 

+

Two-joint hip flexors

 

+

 

+

Gastrocnemius

 

+

 

+

Soleus

 

+

+

 
  1. Note: the symbol “+” means that the muscle meets a certain criteria