Table of Contents
What are the muscles called?
These are your skeletal muscles — sometimes called striated (say: STRY-ay-tud) muscle because the light and dark parts of the muscle fibers make them look striped (striated is a fancy word meaning striped). Skeletal muscles are voluntary muscles, which means you can control what they do.
What is the main part of a muscle called?
Within the fasciculus, each individual muscle cell, called a muscle fiber, is surrounded by connective tissue called the endomysium. Skeletal muscle cells (fibers), like other body cells, are soft and fragile.
What are the largest muscles?
The gluteus maximus is the largest muscle in the human body. It is large and powerful because it has the job of keeping the trunk of the body in an erect posture. It is the chief antigravity muscle that aids in walking up stairs. The hardest working muscle is the heart.
What are the names of the muscles in the shoulder?
The shoulder girdle muscles make the scapula (shoulder blade) move. Muscles of the shoulder joint include the subscapularis, latissimus dorsi, infraspinatus, teres minor, teres major, supraspinatus, deltoid, and pectoralis major (pec muscles). On this page:
What is the muscle under the shoulder blade called?
It is called serratus posterior superior. It lies below your shoulder blade and helps your diaphragm when you inhale by raising your ribs and expanding your rib cage. If this muscle is overloaded, it can become tense and develop trigger points.
What are muscles in the back of the shoulder?
The rotator cuff muscles. These are four muscles that help the shoulder joint be stabilized. It consists of the supraspinatus muscle, the infraspinatus muscle, and the teres minor muscle. There is also the subscapularis muscle that forms the back wall of the axilla and inserts on a tuberosity of the humerus.
What muscle group is the shoulder in?
The major muscle group of the shoulder is the deltoid group. The clavodeltoid originates from the clavicle and inserts on the ulna. This muscle flexes the forearm. The acromiodeltoid lies posterior to the clavodeltoid.