Please complete entire table
Muscles of the trunk (posterior):
Muscle
Origin/Insertion
Primary Action
Trapezius
O: occipital bone and spinous processes of...
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Medical Sciences
Please complete entire table
Muscles of the trunk (posterior):
Muscle
Origin/Insertion
Primary Action
Trapezius
O: occipital bone and spinous processes of all thoracicvertebrae
I: clavicle and scapula
Extends neck
Deltoid
Latissimus dorsi
Muscles of the arm and forearm:
Muscle
Origin/Insertion
Primary Action
Biceps brachii
O: scapula
I: radius
Flexion at elbow
Brachialis
Brachioradialis
Triceps brachii
Flexor carpi ulnaris
Extensor carpi ulnaris
Answer & Explanation
Solved by verified expert
4.5 Ratings (816 Votes)
Muscle Origin Insertion Primary action Deltoid Lateral 13 rd of the clavicle Acromion Spine of scapula Deltoid tuberosity of humerus Flexion and internal rotation of the arm clavicular Extension and external rotation of the arm spinal Abduction of the arm acromial Latissimus dorsi The spinous process of 7th thoracic
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