====== HEAD MUSCLES ======


  * Head 
    * forehead
      * frontalis
    * scalp 
      * occipitofrontalis
    * back of head 
      * occipitalis
    * Face 
      * eye 
        * around eye 
           * circular 
              * orbicularis oculi 
        * around eye ball
           * straight , rectus 
              * superior , inferior , medial , lateral 
           * oblique , not straight 
              * superior , inferior 
        * eyebrow 
           * Elevation
              * corrugator supercili
           * Depression
              * depressor supercili 
        * eyelid 
           * levator palpebra superioris , superior tarsal muscle
     * ear 
        * temple 
           * temporoparietalis 
           * front of helix 
               * auricularis anterior
        *   dorsal ear 
           * auricularis superior , auricularis posterior
        *   middle to inner ear 
           * stapedius 
           * tensor tympani 
     * nose 
        * root of nose 
           * frowning 
             * procerus
        * wing of nose 
           * depressor nasal septum 
              * depressor septi nasii 
           * elevation 
              * levator labii superioris alque nasi 
        * nostrils 
           * compression
              * compressor naris
           * dilatation 
               * dilator naris 
     * mouth 
        * mouth angle
           * elevation 
              * levator anguli oris 
           * depression 
              * depressor anguli oris 
           * widening 
              * risorius
        * around mouth 
           * pucker
              * orbicularis oris
        * lips 
           * elevation 
              * levator labii superioris 
           * depressor 
              * depressor labii inferioris 
        * jaw 
           * mastication , chewing or eating , drinking 
              * close mouth , elevation of lower jaw 
                 * masseter , temporalis , medial pterygoid
              * open mouth , depression of lower jaw 
                 * lateral pterygoid , digastric muscle  
        * Tongue 
           * protrusion 
              * genioglossus , 
           * depression  
             * hyoglossus , chondroglossus 
           * Elevation 
              * retraction 
                 * styloglossus 
              * palatoglossus 
           * shortens tongue 
              * Tip of tongue and lateral margin upward 
                 * superior longitudinal muscle
              * retracts and pulls tip downward 
                 * inferior longitudinal muscle 
           * narrowing of tongue 
              * transverse muscle 
           * verticalis muscle
     * chin 
        * elevation 
          * mentalis 
     * cheek 
        * compression 
          * buccinator 
        * elevation 
          * zygomaticus major , minor 



    * Head and neck 
      * as whole 
        * tilt to side 
           * sternocleidomastoid 
        * flexion 
           * longus colli , longus capitis , rectus capitis anterior , 
           * flexion on same side
             * obliquus capitis superior , longissimus capitis  
             * side bending 
               * rectus capitis lateralis 
           * forward bending 
             * scalenus anterior 
        * rotation 
           * obliquus capitis inferior 
           * extension 
              * rectus capitis posterior major , splenius capitis 
        * Extension 
           * rectus capitis posterior minor 
           * semispinalis capitis