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129 Cards in this Set
- Front
- Back
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What is the origin of the frontal belly/frontalis?
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Galea Aponeurotica
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What is the insertion of the frontal belly/frontalis?
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Skin of eyebrows and root of nose
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What is the function of the frontal belly/frontalis?
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Lifts eyebrows
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What is the origin of the occipital belly/occipitalis?
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Occipital bone
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What is the insertion of the occipital belly/occipitalis?
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Galea Aponeurotica
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What is the function of the occipital belly/occipitalis?
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Pulls the scalp posteriorly
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What is the origin of the Orbicularis Oculi?
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Frontal bone
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What is the insertion of the Orbicularis Oculi?
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Tissue of eyelids
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What is the function of the orbicularis oculi?
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Blinking
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What is the origin of the zygomaticus major?
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Zygomatic bone
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What is the insertion of the zygomaticus major?
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Skin and muscle of mouth
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What is the function of the zygomaticus major?
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Smiling muscle
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What is the origin of the zygomaticus minor?
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Frontal bone
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What is the insertion of the zygomaticus minor?
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Skin and muscle of mouth
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What is the function of the zygomaticus minor?
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Smiling muscle
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What is the origin of the orbicularis oris?
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Indirectly from the maxilla
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What is the insertion of the orbicularis oris?
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Inserts into muscle and skin at mouth
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What is the function of the orbicularis oris?
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Kissing/whistling muscle
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What is the origin of the buccinator?
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Molar region of the maxilla
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What is the insertion of the buccinator?
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Orbicularis oris
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What is the function of the buccinator?
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To hold food between teeth while chewing
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What is the origin of the masseter?
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Zygomatic arch
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What is the insertion of the masseter?
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Ramus of mandible
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What is the function of the masseter?
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Retracts mandible and closes jaw
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What is the origin of the temporalis?
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Temporal fossa
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What is the insertion of the temporalis?
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Coronoid process of the mandible
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What is the function of the temporalis?
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Retracts mandible and closes jaw
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What is the origin of the platysma?
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Fascia of chest
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What is the insertion of the platysma?
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Lower margin of the mandible
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What is the function of the platysma?
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Pulls lower lip down
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What is the origin of the sternocleidomastoid?
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Manubrium of the sternum
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What is the insertion of the sternocleidomastoid?
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Mastoid process of the temporal bone
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What is the function of the sternocleidomastoid?
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Neck flexion forward
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What is the origin of the pectoralis major?
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Clavicle
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What is the insertion of the pectoralis major?
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Intertubercular sulcus of humerus
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What is the function of the pectoralis major?
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Adducts the arm
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What is the origin of the serratus anterior?
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Lateral aspect of ribs 1-8
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What is the insertion of the serratus anterior?
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Vertebral border of anterior surface of scapula
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What is the function of the serratus anterior?
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Abducts arm
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What is the origin of the deltoid?
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Clavicle
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What is the insertion of the deltoid?
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Deltoid tuberosity of the humerus
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What is the function of the deltoid?
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Abducts arm
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What is the origin of the pectoralis minor?
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Anterior surface of ribs 3-5
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What is the insertion of the pectoralis minor?
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Coracoid process of scapula
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What is the function of the pectoralis minor?
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Draws scapula forward
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What is the origin of the external intercostals?
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Inferior border of the ribs
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What is the insertion of the external intercostals?
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Superior border of the ribs
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What is the function of the external intercostals?
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Aids in inspiration
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What is the origin of the internal intercostals?
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Superior border of the ribs
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What is the insertion of the internal intercostals?
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Inferior border of the ribs
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What is the function of the internal intercostals?
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Aids in forced expiration
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What is the origin of the diaphragm?
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Inferior border of rib and sternum
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What is the insertion of the diaphragm?
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Central tendon
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What is the function of the diaphragm?
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Inspiration
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What is the origin of the rectus abdominis?
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Pubic crest and symphysis
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What is the insertion of the rectus abdominis?
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Xiphoid process
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What is the function of the rectus abdominis?
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Rotates vertebral column
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What is the origin of the external oblique?
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Anterior surface of last 8 ribs
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What is the insertion of the external oblique?
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Linea alba
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What is the function of the external oblique?
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Trunk rotation and lateral flexion
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What is the origin of the internal oblique?
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Iliac crest
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What is the insertion of the internal oblique?
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Pubic crest
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What is the function of the internal oblique?
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Trunk rotation and lateral flexion
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What is the origin of the Transverse Abdominis?
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Inguinal Ligament
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What is the insertion of the transverse abdominis?
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Linea alba
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What is the function of the transverse abdominis?
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Compresses abdominal contents
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What is the origin of the trapezius?
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Occipital bone
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What is the insertion of the trapezius?
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Acromion and spinous process of the scapula
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What is the function of the trapezius?
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Extends the head
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What is the origin of the latissiumus dorsi?
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Lumbar vertebrae
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What is the insertion of the latissiumus dorsi?
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Intertubercular sulcus of humerus
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What is the function of the latissimus dorsi?
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Adducts the arm
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What is the origin of the infraspinatus?
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Infraspinous fossa of the scapula
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What is the insertion of the infraspinatus?
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Greater tubercle of the humerus
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What is the function of the infraspinatus?
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Lateral rotation of the humerus
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What is the origin of the teres minor?
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Lateral margin of the scapula
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What is the insertion of the teres minor?
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Greater tubercle of the humerus
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What is the function of the teres minor?
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Stabilizes shoulder
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What is the origin of the supraspinatus?
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Supraspinous fossa of the scapula
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What is the insertion of the supraspinatus?
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Greater tubercle of the humerus
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What is the function of the supraspinatus?
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Abducts humerus
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What is the origin of the teres major?
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Posterior surface at inferior angle of scapula
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What is the insertion of the teres major?
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Intertubercular sulcus of humerus
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What is the function of the teres major?
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Adducts humerus
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What is the origin of the rhomboids major?
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Spinous process of C7 and T1-T5
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What is the insertion of the rhomboids major?
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Medial border of scapula
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What is the function of the rhomboids major?
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Rotates glenoid cavity downward
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What is the origin of the rhomboids minor?
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Spinous processes c7 and T1-T5
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What is the insertion of the rhomboids minor?
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Medial border of scapula
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What is the function of the rhomboids minor?
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Rotates glenoid cavity downwards
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What is the origin of the triceps brachii?
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Inferior margin of glenoid cavity
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What is the insertion of the triceps brachii?
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Olecranon process of ulna
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What is the function of the triceps brachii?
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Powerful forearm extensor
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What is the origin of the biceps brachii?
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Coracoid process
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What is the insertion of the biceps brachii?
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Radial tuberosity
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What is the function of the biceps brachii?
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Flexion of elbow
(corkscrew) |
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What is the origin of the brachioradialis?
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Lateral ridge at the distal end of the humerus
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What is the insertion of the brachioradialis?
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Base of the styloid process of radius
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What is the function of the brachioradialis?
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Synergist in forearm flexion
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What is the origin of the brachialis?
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Distal portion of anterior humerus
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What is the insertion of the brachialis?
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Cornoid process of ulna
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What is the function of the brachialis?
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A major flexor of the forearm
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What is the origin of the pronator teres?
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Medial epicondyle of humerus
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What is the insertion of the pronator teres?
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Midshaft of radius
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What is the function of the pronator teres?
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Flexes the elbow
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What is the origin of the palmaris longus?
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Medial epicondyle of humerus
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What is the insertion of the palmaris longus?
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Palmar aponeurosis
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What is the function of the palmaris longus?
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Flexes the wrist
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What is the origin of the flexor carpi ulnaris?
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Medial epicondyle of humerus
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What is the insertion of the flexor carpi ulnaris?
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Medial epicondyle of humerus
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What is the function of the flexor carpi ulnaris?
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Adducts the hand
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What is the origin of the extensor carpi radialis longus?
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Lateral supracondylar ridge of humerus
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What is the insertion of the extensor carpi radialis longus?
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Base of metacarpal 2
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What is the function of the extensor carpi radialis longus?
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Extends and abducts wrist
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What is the origin of the extensor carpi radialis brevis?
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Lateral epicondyle of humerus
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What is the insertion of the extensor carpi radialis brevis?
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Base of metacarpal 3
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What is the function of the extensor carpi radialis brevis?
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Extends and abducts wrist
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What is the origin of the supinator?
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Lateral epicondyle of humerus
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What is the insertion of the supinator?
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Proximal end of radius
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What is the function of the supinator?
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Supinates forearm
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What is the origin of the extensor digitorum?
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Lateral epicondyle of humerus
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What is the insertion of the extensor digitorum?
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By four tendons into distal phalanges of fingers 2-5
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What is the function of the extensor digitorum?
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Finger extension
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What is the origin of the extensor carpi ulnaris?
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Lateral epicondyle of humerus
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What is the insertion of the extensor carpi ulnaris?
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Base of metacarpal 5
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What is the function of the extensor carpi ulnaris?
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Extends and adducts the wrist
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What is the origin of the flexor carpi radialis?
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Medial epicondyle of humerus
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What is the insertion of the flexor carpi radialis?
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Base of metacarpals 2 and 3
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What is the function of the flexor carpi radialis?
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Abducts the hand
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