MUSCLE IDENTIFICATION CHART-FACIAL MUSCLES



Items marked with a “*” not on test…just to help understand

MUSCLE IDENTIFICATION CHART- Anterior (see also muscle figure)

|NAME |LOCATION |ACTION |ADDITIONAL INFO |

|Frontalis |Forehead, above eyebrows |Raise eyebrows |*Often site of Botox |

| | | |injections(botox is toxin paralyzes|

| | | |muscle |

|Obicularis Oculi |Circular muscle Around the eyes |Wink, squint, blink | |

|Masseter |Jaw, from zygomatic bone(cheek) to |Main chewing muscle | |

| |lower part of mandible. | | |

|Obicularis Oris |Circular muscle around lips/mouth |Purse/pucker lips |“kissing muscle” |

|Sternocleido-mastoid |Each side of neck |Both working=flex neck, one=tilt |Attaches at Sternum, clavicle then |

| | |head to side |Mastoid process |

|Trapezius |“nape” of neck down to mid-back |Extend neck |Kite or diamond shaped |

| | | | |

|Deltoid |Shoulder |Abduct arm |Deltoid = Triangular shaped |

|Pectoralis Major |Main Chest muscle |Adducts arms medially | |

|Biceps Brachii |Front of upper arm |Flex elbow |“Biceps” = two heads |

|Brachioradialis |Forearm |Flex forearm (“talk to the hand”) | |

|Rectus Abdominus |Center of abdomen, Strap-like, |Crunches; flex vertebral column |“Rectus” = Straight |

| |straight | | |

|External Oblique |Each side of abdomen |Twist at abdomen, bend side to side| |

|Transverse oblique |Deep muscles of abdomen |Help compress ab contents; |*Muscle fibers run transversely |

| | |grunting, childbirth, bowel |(horizontally) |

| | |movement | |

| | | | |

|Rectus Femoris Vastus Lateralis |Front of Thigh (quadriceps) |Extend Knee |Quadriceps |

|Vastus Medialis | | | |

|Tibialis anterior |Mirrors tibia(shin bone) |Dorsiflex foot (up towards shin) | |

|Sartorius |Front of thigh |Helps cross legs |*“Taylor’s muscle” due to help |

| |Runs from outside of hip to inner | |crossing legs |

| |part of knee | | |

MUSCLE IDENTIFICATION CHART-Posterior

|NAME |LOCATION |ACTION |ADDITIONAL INFO |

|Triceps Brachii |Back of upper arm |Extends arm at elbow |Triceps = “3 heads” |

| | | |*Antagonist of biceps |

|Trapezius |“nape” of neck(lower back of |Extend head |Kite-shaped/diamond shaped |

| |neck)down to mid-back | | |

|Latissimus Dorsi |Each side of mid back |Adducts arm…as bringing arm down|“Swimmer’s” muscle |

| | |in axe stroke |*Gives V shape to back of swimmers |

|Gluteus Maximus |Buttocks |Flex hip, as in rising from seat|Maximus = “large” |

|Biceps Femoris Semitendinosus |Back of thigh |Flexes leg at knee |Hamstrings |

|Semimembranosus | | | |

|Gastrocnemius |Calf, back of lower leg |Plantar flex foot(tip-toes) |*Attached to heel by Achilles |

| | | |tendon |

|Soleus |Deep calf |Plantar flexes foot | |

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