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30 Cards in this Set
- Front
- Back
Where is the origin of the temporalis (mastification) muscle?
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temporal bone
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Where is the insertion of the temporalis muscle?
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coranoid process.
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What is the action of the temporalis muscle?
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closes jaw
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What is the origin of the Orbicularis Oris (facial expression)?
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maxilla and mandible
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Where is the insertion point of the Orbicularis Oris (facial expression)?
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lips
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What is the action of the Orbicularis Oris (facial expression)?
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closes and protrudes the lips for speaking, kissing and whistling
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What is the origin of the Lateral Rectus (extrinsic eye muscle)?
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tendinous ring of the eye orbit
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What is the insertion of the Lateral Rectus (extrinsic eye muscle)
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lateral eyeball
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What is the action of the lateral rectus (extrinsic eye muscle)?
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It moves the eye laterally
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What is the origin of the sternocleidomastoid (neck) muscle?
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sternum and clavicle
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What is the insertion of the Sternocleidomastoid (neck) muscle?
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mastoid process
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What is the action of the Sternocleidomastoid (neck) muscle?
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flexes neck forward (if both contract)
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What is the origin of the Deltoid (shoulder joint) muscle?
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acromion process & spine of scapula, clavicle
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What is the insertion of the Deltoid?
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deltoid tuberosity (humerus)
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What is the action of the Deltoid (shoulder joint)?
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flexion, abduction and extension of the arm
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What is the origin of the Trapezius (posterior shoulder)?
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occipital bone, spinous processess and the thoracic vertebrae
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What is the insertion of the Trapezius?
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clavicle, scapula (acromion process and spine)
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What is the action of the Trapezius (posterior shoulder)?
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elevate, retract, depress scapula
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What is the origin of the Triceps Brachii (posterior arm)?
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scapula, inferior to the glenoid cavity; posterior surface of the humerus
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What is the insertion point of the Triceps Brachii (posterior arm)?
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olecron process of ulna
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What is the action of the Triceps Brachii (posterior arm)?
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extension of the forearm
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What is the origin of the rectus abdominis (abdominal wall)?
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pubic symphysis
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What is the insertion of the rectus abdominis (abdominal wall)?
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xiphoid process; costal cartilages of ribs 5-7
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What is the action of the rectus abdominis (abdominal wall)?
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flexion of vertebral column
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What is the origin of the gluteus maximus (gluteal region)?
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ilium, sacrum and coccyx
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What is the insertion of the gluteus maximus (gluteal region)
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fascia lata (iliotibial tract)
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What is the action of the gluteus maximus (gluteal region)?
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hip extension (climb stairs)
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What is the origin of the gastrocnemius (leg muscle, calf)?
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condyles of the femur
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What is the insertion of the Gastrocnemius (leg muscle, calf)?
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calcaneus (via calcaneal tendon)
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What is the action of the Gastrocnemius (leg muscle, calf)
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Plantar flexion of foot; flexion of the knee
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