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  2. Muscles of mastication - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_mastication

    In humans, the mandible, or lower jaw, is connected to the temporal bone of the skull via the temporomandibular joint. This is an extremely complex joint which permits movement in all planes. The muscles of mastication originate on the skull and insert into the mandible, thereby allowing for jaw movements during contraction.

  3. Orbicularis oculi muscle - Wikipedia

    en.wikipedia.org/wiki/Orbicularis_oculi_muscle

    The procerus muscles pull the skin into horizontal wrinkles. The frontalis muscle, which runs from the upper forehead, halfway between the coronal suture (which traverses the top of the skull) and the top edge of the orbit, attaches to the eyebrow skin. Since it pulls the eyebrows upward, it is the antagonist of the orbicularis oculi.

  4. Facial muscles - Wikipedia

    en.wikipedia.org/wiki/Facial_muscles

    The facial muscles are just under the skin (subcutaneous) muscles that control facial expression. They generally originate from the surface of the skull bone (rarely the fascia), and insert on the skin of the face. When they contract, the skin moves. These muscles also cause wrinkles at right angles to the muscles’ action line. [2]

  5. List of skeletal muscles of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_skeletal_muscles...

    head, mouth (left/right) maxilla and mandible: skin around lips: superior labial artery, inferior labial artery: facial nerve [CNVII], buccal branch: puckers lips: 2 2 risorius: head, mouth (left/right) parotid fascia: modiolus of mouth facial artery: facial nerve [CNVII], buccal branch: draw back angle of mouth: 2 1 zygomaticus major: head ...

  6. Orbicularis oris muscle - Wikipedia

    en.wikipedia.org/wiki/Orbicularis_oris_muscle

    The orbicularis oris is not a simple sphincter muscle like the orbicularis oculi; it consists of numerous strata of muscular fibers surrounding the orifice of the mouth, but having different direction. It consists partly of fibers derived from the other facial muscles which are inserted into the lips, and partly of fibers proper to the lips.

  7. Lateral pterygoid muscle - Wikipedia

    en.wikipedia.org/wiki/Lateral_pterygoid_muscle

    The lateral pterygoid muscle (or external pterygoid muscle) is a muscle of mastication. It has two heads. It lies superior to the medial pterygoid muscle. It is supplied by pterygoid branches of the maxillary artery, and the lateral pterygoid nerve (from the mandibular nerve, CN V 3). It depresses and protrudes the mandible. When each muscle ...

  8. Your Body Never Forgets Muscle. So Here's How Long It ... - AOL

    www.aol.com/body-never-forgets-muscle-heres...

    Contrary to popular belief, muscle memory isn’t about your muscles remembering anything—it’s how your brain and body work together to create efficient movement patterns through repetitive ...

  9. Digastric muscle - Wikipedia

    en.wikipedia.org/wiki/Digastric_muscle

    The digastric muscle (also digastricus) (named digastric as it has two 'bellies') is a bilaterally paired suprahyoid muscle located under the jaw.Its posterior belly is attached to the mastoid notch of temporal bone, and its anterior belly is attached to the digastric fossa of mandible; the two bellies are united by an intermediate tendon which is held in a loop that attaches to the hyoid bone.