11.6- Muscles That move the Glenohumeral Joint Quiz Please sign up for the course before taking this quiz. The most likely primary agonist when initiating glenohumeral lateral rotation is:1 Pectoral Major Latissimus Dorsi Lateral Fibers of the Deltoid Infraspinatus Anterior Fibers of the Deltoid The most likely primary agonist when initiating glenohumeral adduction while in glenohumeral extension is:1 Latissimus Dorsi Pectoral Major Infraspinatus Lateral Fibers of the Deltoid Anterior Fibers of the Deltoid The most likely primary agonist when initiating glenohumeral abduction is:1 Anterior Fibers of the Deltoid Pectoral Major Lateral Fibers of the Deltoid Latissimus Dorsi Infraspinatus The most likely primary agonist when initiating glenohumeral adduction while in glenohumeral flexion is:1 Pectoral Major Anterior Fibers of the Deltoid Latissimus Dorsi Infraspinatus Lateral Fibers of the Deltoid The most likely primary agonist when initiating glenohumeral flexion is:1 Anterior Fibers of the Deltoid Latissimus Dorsi Infraspinatus Pectoral Major Lateral Fibers of the Deltoid The most likely primary agonist when initiating glenohumeral extension is:1 Anterior Fibers of the Deltoid Pectoral Major Posterior Fibers of the Deltoid Latissimus Dorsi Infraspinatus
