BROW_LOWERER_L and BROW_LOWERER_R knit and lower the brow area and lower central forehead.

 

CHEEK_PUFF_L and CHEEK_PUFF_R fill the cheeks with air causing them to round and extend outward.

 

CHEEK_RAISER_L and CHEEK_RAISER_R tighten the outer rings of the eye orbit and squeeze the lateral eye corners.

 

CHEEK_SUCK_L and CHEEK_SUCK_R suck the cheeks inward and against the teeth to create a hollow effect in the cheeks.

 

CHIN_RAISER_B and CHIN_RAISER_T push the skin of the chin and the lower lip upward. When the lips are touching, the upward force from the lower lip pushes the up top lip as well.

 

DIMPLER_L and DIMPLER_R pinch the lip corners against the teeth, drawing them slightly backward and often upward in the process.

 

EYES_CLOSED_L and EYES_CLOSED_R lower the top eyelid to cover the eye.

 

EYES_LOOK_DOWN_L and EYES_LOOK_DOWN_R move the eyelid consistent with downward gaze.

 

LOOK_LEFT_L and LOOK_LEFT_R move the eyelid consistent with leftward gaze.

 

LOOK_RIGHT_L and LOOK_RIGHT_R move the eyelid consistent with rightward gaze.

 

LOOK_UP_L and LOOK_UP_R move the eyelid consistent with upward gaze.

 

INNER_BROW_RAISER_L and INNER_BROW_RAISER_R lift the medial brow and forehead area.

 

JAW_DROP moves the lower mandible downward and toward the neck.

 

JAW_SIDEWAYS_LEFT moves the lower mandible leftward.

 

JAW_SIDEWAYS_RIGHT moves the lower mandible rightward.

 

JAW_THRUST projects the lower mandible forward.

 

LID_TIGHTENER_L and LID_TIGHTENER_R tighten the rings around the eyelids and push the lower eyelid skin toward the inner eye corners.

 

LIP_CORNER_DEPRESSOR_L and LIP_CORNER_DEPRESSOR_R draw the lip corners downward.

 

LIP_CORNER_PULLER_L and LIP_CORNER_PULLER_R draw the lip corners up, back, and laterally.

 

LIP_FUNNELER_LB, LIP_FUNNELER_LT, LIP_FUNNELER_RB, and LIP_FUNNELER_RT fan the lips outward in a forward projection, often rounding the mouth and separating the lips.

 

LIP_PRESSOR_L and LIP_PRESSOR_R press the upper and lower lips against one another.

 

LIP_PUCKER_L and LIP_PUCKER_R draw the lip corners medially causing the lips protrude in the process.

 

LIP_STRETCHER_L and LIP_STRETCHER_R draw the lip corners laterally, stretching the lips and widening the jawline.

 

LIP_SUCK_LB, LIP_SUCK_LT, LIP_SUCK_RB, and LIP_SUCK_RT suck the lips toward the inside of the mouth.

 

LIP_TIGHTENER_L and LIP_TIGHTENER_R narrow or constrict each lip on a horizontal plane.

 

LIPS_TOWARD forces contact between top and bottom lips to keep the mouth closed regardless of the position of the jaw.

 

LOWER_LIP_DEPRESSOR_L and LOWER_LIP_DEPRESSOR_R draw the lower lip downward and slightly laterally.

 

MOUTH_LEFT pulls the left lip corner leftward and pushes the right side of the mouth toward the left lip corner.

 

MOUTH_RIGHT pulls the right lip corner rightward and pushes the left side of the mouth toward the right lip corner.

 

NOSE_WRINKLER_L and NOSE_WRINKLER_R lift the sides of the nose, nostrils, and central upper lip area. Often pairs with brow lowering muscles to lower the medial brow tips.

 

OUTER_BROW_RAISER_L and OUTER_BROW_RAISER_R lift the lateral brows and forehead areas.

 

UPPER_LID_RAISER_L and UPPER_LID_RAISER_R pull the top eyelid up and back to widen eyes.

 

UPPER_LIP_RAISER_L and UPPER_LIP_RAISER_R lift the top lip (in a more lateral manner than nose wrinkler).

 

TONGUE_TIP_INTERDENTAL raises the tip of the tongue to touch the top teeth like with the viseme “TH”. The tongue is visible and slightly sticks out past the teeth line.

 

TONGUE_TIP_ALVEOLAR raises the tip of tongue to touch the back of the top teeth like in the viseme “NN”.

 

TONGUE_FRONT_DORSAL_PALATE makes the front part of the tongue to press against the palate like in the viseme “CH”.

 

TONGUE_MID_DORSAL_PALATE presses the middle of the tongue against the palate like in the viseme “DD”.

 

TONGUE_BACK_DORSAL_VELAR presses the back of the tongue against the palate like in the viseme “KK”.

 

TONGUE_OUT sticks the tongue out.

 

TONGUE_RETREAT pulls the tongue back in the throat and makes the tongue to stay down like in the viseme “AA”.