For each muscle listed please provide a brief description of the muscle,  examples of the types movements it assist with, as well as the ACTIONS,  INSERTION & ORIGIN. Include how the each muscle can be lengthened or stretched and shortened. In addition please list at least synergist and antagonist for each muscle. 

Infraspinatous 

Adductor Magnus 

Psoas Major 

Obturator exturnus 

Semitendinous 

Levator Scapula 

Plantaris