Darla Benfield of www.stayhealthyfitness.com shows exercise for the deltoid.
These videos are meant to help illustrate muscle actions. They are not meant to be used as instruction in exercise. Before beginning any exercise program see your physician and consult with a personal fitness trainer.
Trapezius
Origin
Occipital ridge and spinous processes of all cervical and thoracic vertebrae.
Insertion
Spine of the scapula to the acromion, and the lateral third of the clavicle.
Actions
Upper Fibers – work with levator scapulae to elevate the scapula
Middle Fibers – work with rhomboids to retract the scapula
Lower Fibers – work to depress the scapula