6th October 2019

chegg
13

What are the opposing muscles of the pectoralis major?

AgonistAntagonist
Deltoid (posterior fibers)Lower pectoralis major, latissimus dorsi, teres major, deltoid anterior fibers, coracobrachialis, biceps brachii
SupraspinatusPectoralis major lower fibers, latissimus dorsi, teres major
SubscapularisInfraspinatus, teres minor, posterior deltoid

Considering this, what are the opposing muscle groups?

The Large Opposing Muscle Groups
  • Upper Arm (movement of the elbow): The Upper Arm: The Biceps and the Triceps.
  • Shoulder and Upper Back: Deltoids and Latissimus Dorsi.
  • Upper Chest and Upper Back: Pectoralis Major and Trapezius/Rhomboids.
  • Stomach and Lower Back: Abdominals and Erector Spinae.

Why is it important to have muscles?

Muscles And Bone Density. Moving on from the metabolic advantages of having a healthy amount of muscle mass, strong muscles also help preserve and maintain healthy bone density. So it's not the muscles themselves that make your bones stronger; it's the exercise you use to build those muscles that also builds your bones

Which defines an antagonist muscle?

1. antagonistic muscle - (physiology) a muscle that opposes the action of another; "the biceps and triceps are antagonistic muscles" muscle, musculus - one of the contractile organs of the body. agonist - a muscle that contracts while another relaxes; "when bending the elbow the biceps are the agonist"
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