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111 Cards in this Set
- Front
- Back
Muscle on frontal bone
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Frontalis (epicranius or frontal belly)
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Muscle that orbits the eye, ring of muscle around the eye.
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Orbicularis Oculi
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Muscle that runs from the zygomatic bone down to the corner of the mouth, involved in smiling.
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Zygomaticus
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Muscle that runs horizontally through cheeck, pulls mouth back.
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Risorius
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Ring of muscle around mouth, the "kissing" muscle.
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Orbicularis Oris
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Muscle deep to risorius, used to make "fish" face.
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Buccinator
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A major chewing muscle, used to clench cheek.
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Masseter
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A major chewing muscle on the temporal bone.
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Temporalis
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Action of the masseter and temporalis.
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Closes jaw.
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Muscle that runs from sternum and clavicle to the mastoid process.
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Sternocleidomastoid
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Action of sternocleidomastoid
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Flexes and laterally rotates the head.
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Origin of sternocleidomastoid
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Manubrium of the sternum and medial portion of the clavicle.
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Insertion of sternocleidomastoid
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Mastoid process of temporal bone.
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3 triangular muscles deep to sternocleidomastoid.
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Scalenes
posterior (back, middle, anterior (front) |
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Muscle deep to trapezius, strap of muscle on back of neck.
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Splenius Capitis
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Action of splenius capitis
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Extend or hyperextend head.
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Large, superficial, diamond shaped muscle on the back, "kite" shaped.
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Trapezius
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Broad, triangular, superficial, muscle of lower back (lumbar region).
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Latissimus Dorsi
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Muscle deep to trapezius, located on back and side of neck.
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Levator Scapulae
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Action of levator scapulae
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Elevates the scapula.
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Roughly diamond shaped muscle, deep to trapezius .
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Rhomboideus Major
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Smaller diamond shaped muscle, deep to trapezius and superior to rhomboideus major.
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Rhomboideus Minor
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Action of rhomboideus major and minor
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Stabilize scapula.
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3 cords of muscles running along spine.
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Erector Spinae
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Action of erector spinae
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Prime mover of back extension, controls bending forward action and promotes return to erect position.
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Largest, fan-shaped muscle in chest (pec).
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Pectoralis Major
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Serrated muscle on side of chest.
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Serratus Anterior
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Smaller fan-shaped muscle deep to pectoralis major.
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Pectoralis Minor
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Muscle between ribs, fibers point to belly button and inward, on side.
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External Intercostals
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Muscle between ribs, fibers point to hip and outward, near sternum.
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Internal Intercostals
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Medial, superficial muscle that extends from pubis to rib cage. The "6 pack".
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Rectus Abdominis
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Lateral superficial muscle on each side of rectus abdominis, fibers run down and in toward belly button.
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External Obliques
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Muscle deep to external obliques (the middle layer), point down and out toward hip.
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Internal Obliques
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Deepest (third) layer of abdominal muscles, runs like a belt or cumber bun, across abdomen.
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Transversus Abdominis
(transverse- running straight across) |
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Action of all abdominal muscles
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Support and protect abdominal viscera and promote lateral flexion and flexion of vertebral column.
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Top shoulder muscle, triangular shaped.
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Deltoid
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Thick, rounded muscle located inferior to teres minor.
(armpit) big when arm is raised, small when arm is down by side. |
Teres Major
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Muscle above spine of scapula.
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Supraspinatus
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Supraspinatus:
-Action -Origin -Insertion |
-Initiates abduction.
-Supraspinous fossa of scapula. -Superior part of greater tubercle of humerus. |
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Muscle below spine of scapula, resemble a fan.
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Infraspinatus
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Infraspinatus:
-Action -Origin -Insertion |
-Rotates humerus laterally.
-Infraspinous fossa of scapula. -greater tubercle of humerus posterior to insertion of supraspinatus. |
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Muscle superior to teres major, deep to infraspinatus.
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Teres Minor
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Teres Minor:
-Action -Origin -Insertion |
-Rotates humerus laterally.
-Lateral border of dorsal scapular surface. -Greater tubercle of humerus inferior to infraspinatus insertion. |
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Anterior face of scapula, up against rib cage.
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Subscapularis
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Subscapularis:
-Action -Origin -Insertion |
-Chief medial rotator of humerus.
-Subscapular fossa of scapula. -Lesser tubercle of humerus. |
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Muscle with 3 heads in the brachial (arm) region, surrounding "horse shoe" on back of arm.
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Triceps Brachii
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Triceps Brachii
-Action -Origin -Insertion |
-Powerful forearm extensor.
-Long head: infraglenoid tubercle of scapula.Medial head: posterior humeral shaft distal to radial groove. Lateral head: posterior shaft of humerus. -By common tendon into olecranon process of ulna. |
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2 headed muscle on anterior humerus (show off muscle).
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Biceps Brachii
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Biceps Brachii
-Action -Origin -Insertion |
-Flexes elbow joint and supinates forearm.
-Short head: coracoid process. Long head: supraglenoid tubercle and lip of intertubercle sulcus of humerus. -By common tendon into radial tuberosity. |
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Muscle deep to biceps brachii.
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Brachialis
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Action of brachialis
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A major forearm flexor.
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2 headed muscle in forearm.
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Pronator Teres
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Pronator Teres
-Action -Origin -Insertion |
-Pronates forearm.
-Medial epicondyle of humerus, coronoid process of ulna. -By common tendon into lateral radius, mid shaft. |
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Muscle that runs diagonally across forearm.
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Flexor Carpi Radialis
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Flexor Carpi Radialis
-Action -Origin -Insertion |
-Powerful flexor of wrist- abducts hand.
-Medial epicondyle of humerus. -Base of 2nd and 3rd metacarpals- insertion tendon provides guide to position of radial artery at wrist (easily seen). |
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Small muscle with tendons that go into hand.
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Palmaris Longus
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Palmaris Longus
-Action -Origin -Insertion |
-Tenses skin and fascia of palm during hand movements.
-Medial epicondyle of humerus. -Fascia of palm. |
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Outermost muscle on pinky side.
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Flexor Carpi Ulnaris
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Flexor Carpi Ulnaris
-Action -Origin -Insertion |
-Powerful flexor of wrist- adducts hand.
-Medial epicondyle of humerus- olecranon process and posterior surface of ulna. -Pisiform and hamate bones and base of 5th metacarpal. |
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Muscle deep to palmaris longus (2nd layer), flexes the digits.
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Flexor Digitorum Superficialis
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Action of Flexor Digitorum Superficialis
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Flexes wrist and middle phalanges of fingers 2-5.
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Muscle that is partially covered by flexor digitorum superficialis, on thumb side.
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Flexor Pollicis Longus
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Covered completely by flexor digitorum superficialis on outside of arm (elbow side).
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Flexor Digitorum Profundus
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Superficial muscle of lateral forearm, on thumb side of lower arm.
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Brachioradialis
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Action of Brachioradialis
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Forearm flexion.
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Parallels brachioradialis on lateral forearm, and blends with it.
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Extensor Carpi Radialis Longus
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Extensor Carpi Radialis Longus
Action Origin Insertion |
-Extends wrist.
-Lateral supracondylar ridge of humerus. -Base of 2nd metacarpal. |
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Muscle that is shorter than extensor carpi radialis longus and lies deep to it.
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Extensor Carpi Radialis Brevis
(brevis = short) |
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Extensor Carpi Radialis Brevis
Action Origin Insertion |
-Extends and abducts wrist.
-lateral epicondyle of humerus. -Base of 3rd metacarpal. |
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Muscle that lies medial to extensor carpi radialis brevis, tendon runs into hand.
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Extensor Digitorum
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Long, slender muscle, right beside (looks blended into) extensor digitorum.
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Extensor Carpi Ulnaris
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Extensor Digitorum
Action Origin Insertion |
-Prime mover of finger extensions.
-Lateral epicondyle of humerus. -By 4 tendons into extensor expansions and digital phalanges of fingers 2-5. |
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Extensor Carpi Ulnaris
Action Origin Insertion |
-Extends wrist- adducts wrist.
-Lateral epicondyle of humerus and posterior border of ulna. -Base of 5th metacarpal. |
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Deep muscle at posterior aspect of elbow, largely concealed by superficial muscles.
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Supinator
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Supinator
Action Origin Insertion |
-Assists biceps branchii to forcibly supinate forearm.
-Lateral epicondyle of humerus, proximal ulna. -Proximal end of radius. |
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Muscle just distal to supinator.
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Abductor Pollicis Longus
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Small muscle distal to abductor pollicis longus, on medial side of wrist.
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Extensor Pollicis Brevis
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Muscle between thumb and index finger.
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Thenar Eminence
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Muscle on pinky side of hand.
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Hypothenar Eminence
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2 part muscle, most of it is located inside body cavity behind viscera and runs down femur.
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Iliopsoas
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Action of iliopsoas
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Prime move for flexing thigh or flexing trunk on thigh.
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Longest muscle in body, think strap of muscle that runs across the anterior surface of thigh to back of knee.
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Sartorius
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Sartorius
Action Origin Insertion |
-Flexes, abducts, and laterally rotates thigh, flexes knee.
-Anterior superior iliac spine. -Winds around medial aspect of knee and inserts into medial aspect of proximal tibia. |
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Big muscle that runs down front of femur.
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Rectus Femoris
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Rectus Femoris
Origin Insertion |
-Anterior inferior iliac spine and superior margin of acetabulum.
-Patella and tibial tuberosity via patellar ligament. |
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Muscle on lateral side of rectus femoris and femur.
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Vastus Lateralis
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Muscle on medial side of rectus femoris and femur.
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Vastus Medialis
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Action of quadriceps femoris group.
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Powerful knee extensor used in climbing, jumping, running, and standing up.
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Superficial strap-like muscle on medial thigh.
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Gracilis
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Deep, posterior muscle to gracilis, largest muscle of adductor group.
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Adductor Magnus
(magnus = big) |
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Deep, anterior muscle to gracilis, superior to adductor magnus, easier to see.
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Adductor Longus
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Action of Adductor Group
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Used in movements that press thighs together- important in pelvic tilting movements (walking).
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Biggest muscle in buttocks.
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Gluteus Maximus.
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Action of gluteus maximus
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Major extensor of thigh.
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Fan shaped muscle deep to gluteus maximus.
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Gluteus Medius
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Most lateral muscle of hamstrings, two headed.
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Biceps Femoris
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Muscle that lies medial to biceps femoris.
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Semitendinosus
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Muscle deep to semitendinosus.
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Semimembranosus
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Action of Hamstring Group
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If knee is extended- promotes hip extension.
If hip is extended- promotes knee flexion. |
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Superficial muscle of anterior leg, when toes are pointed upward, you can feel it.
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Tibialis Anterior
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Action of Tibialis Anterior
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Prime mover of dorsiflexion.
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Muscle lateral to tibialis anterior, runs down and tendons attach to toes.
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Extensor Digitorum
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Action of extensor digitorum
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Prime mover of toe extention.
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Superficial lateral muscle, overlies fibula.
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Fibularis Longus
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Small muscle, deep to fibularis longus.
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Fibularis Brevis
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Calf muscle, big "belly" muscle on back of leg.
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Gastrocnemius
(gastro = belly) |
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Gastrocnemius
Action Origin Insertion |
-Plantar flexes foot.
-By 2 heads from medial and lateral condyles of femur. -Posterior calcaneous via calcaneal tendon. |
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Muscle just deep to gastronemius.
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Soleus
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Action of Soleus
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Plantar flexes foot.
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Deepest muscle in leg; long, narrow muscle runs medial to and partially overlies tibialis posterior.
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Flexor Digitorum
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Action of Flexor Digitorum
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Plantar flexes and inverts foot.
Flexes toes. |