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36 Cards in this Set
- Front
- Back
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Facial Expression:
Buccinator origin insertion action |
origin: Molar region of maxilla and mandible
insertion: Orbicularis action: Compresses cheek (as in whistling) |
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Mastication:
Temporalis origin insertion action |
Temporal fossa
Coronoid process of mandible Close jaw |
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Anterolateral Muscles of Human Neck :
Platysma |
Fascia of chest
Lower margin of mandible Produces downward sag of mouth |
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Anterior Muscles of Human Thorax, Shoulder, and Abdominal Wall:
Serratus Anterior |
Lateral aspect of ribs (1-8)
Vertebral border of anterior surface of scapula Rotates scapula |
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Posterior Muscles of Human Trunk :
Muscles of the Rotator Cuff |
Infraspinatus
Teres Minor Supraspinatus |
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ROtator cuff:
Infraspintus |
origin: infraspinous fossa of scapula
insertion: greater tubercle of humerus action: lateral rotation of humerus |
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rotator cuff:
teres minor |
origin: lateral margin of scapula
insertion: greater tubercle action: stabilizes shoulder |
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rotator cuff:
supraspinatus |
origin: supraspinious fossa of scapula
insertion: greater tubercle of humerus action: stabilizes shoulder JOINT |
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Muscles of Human Humerus that Act on the Forearm:
Biceps brachii |
origin: coracoid process
insertion: radial tuberosity action: flexion(powerful) of elbow adn supination |
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Muscles of Human Forearm That Act on Hand and Fingers:
Flexor Carpi Ulnaris |
origin: lateral epicondyle of humerus
insertion:base of metacarpal 5 action: extends and adducts wrist |
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Muscles Acting on Human Thigh and Leg, Anterior and Medial Aspects:
Quads |
Rectus Femoris
Vastus Lateralis Vastus Medialis Vastus Intermedius |
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Quads:
Rectus Femoris |
origin: anterior inferior iliac spine
insertion: patella action:extends knee |
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Quads:
Vastus Lateralis |
origin: greater trochanter
insertion: patella action: extends/stabilizes knee |
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Quads:
Vastus Medialis |
origin: linea aspera
insertion: patella action: extends knee |
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Quads:
Vastus Intermedius |
origin: anterior aspect of iliac crest
insertion: iliotibial tract (lateral portion of fascia lata) action: medially rotates thigh |
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Muscles Acting on Human Thigh and Leg, Posterior Aspect:
Hamstrings |
Biceps Femoris
Semitendinosus Semimembranosus |
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Hamstrings:
Biceps Femoris |
Origin: distal femus (short head)
insertion: lateral condyle of tibia action: extends thigh |
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Hamstrings:
Semitendinosus |
origin: ischial tuberosity
insertion: medial aspect of upper tibial shaft action: flexes knee |
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Hamstrings:
Semimembranosus |
origin: ischial tuberosity
insertion: medial condyle of tibia action: flexes knee |
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Muscles Acting on Human Foot and Ankle:
Flexor digitorum longus |
origin: posterior surface of tibia
insertion: distal phalanges of toes (2-5) action: flexes toes |
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Flexion
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decreases the angle of the joint (bending knee/elbow)
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Extension
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increases the angle of the joint (str8en knee/elbow)
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Abduction
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movement of limb away from the midline/median plane of the body
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Adduction
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movement of a limb toward the midline of the body
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Rotation
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movement of a bone around its longitudinal axis
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Circumduction
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a combo of flexion, extension, abduction and adduction
(ball n socket joints circle) |
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Pronation
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movement of the palm of the hand from an anterior or upwarding position to a posterior or downward facing position
(blk hand side) |
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Supination
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movement of the palm from posterior to anterior position
(give me!) |
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Inversion
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a movement that results in the medial turing of the sole of the foot
(inward) |
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Eversion
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a movement that results in the lateral turning of the sole of the foot
(outward) |
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Dorsiflexion
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a movement of the ankle joint in a dorsal direction
(stand on heels) |
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Plantar flextion
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a movement of the ankle joint in which the foot is flexed downward
(ballerina) |
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Prime movers/ agonist
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muscles responsible for producting a particular movement
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antagonists
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muscles tht oppose or reverse a movement
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synergist
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aid the action of agonists by reducing undesirable or unneccessary movement
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fixators
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specialized synergist
immobilize the origin of a prime mover so that all the tension is exerted at the insertion |
