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Anatomical illustration of the teres major muscles will help you understand the knowledge of the teres major muscles

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August 26, 2025

The teres major muscles are located below the teres minor muscles. Of course, there are many functions of the teres major muscles, such as internal rotation, protrusion and other actions of the shoulder joints, which are used for the teres major muscles. So, what is the anatomical illustration of the teres major muscles? Let’s take you to know the knowledge of the teres major muscles. Let’s take a look!

The starting and ending point

Located on the lower side of the teres minor muscles, the lower edge is covered by the upper edge of the lats dorsi. The entire muscle is columnar, starting from the dorsal side of the lower corner of the scapula, and the muscle bundle is concentrated outward and upward, ending at the small humerus Corrugation. (42 muscle anatomy, detailed explanation of the teres major muscle)

Effect   Shoulder joint rotation, shoulder joint adduction, shoulder joint protrusion (in unresisting movements, no electrical activity is shown, but when performing resistance movements, it is the primary muscle). Since the effect of this muscle on the arm is very similar to the lats dorsi, it is called "little assistant of the lats dorsi".

How to practice the teres major

1. Bench press flying bird

Lying flat on the bench, with legs on both sides of the bench, the body can coordinate and balance. Hold a dumbbell on each hand and tighten it in front of our chest. Start the movement, open your hands and slowly stretch your arms, and stretch them to both sides of your body until your arms are stretched out like a bird. Then slowly retract your hands.

2. Bend over the bird

The body is naturally relaxed, hold the dumbbells on each hand and relax naturally on the ground. Before the movement begins, Take a breath, then raise your arms, spread your hands upwards, and do bird movements until your hands are straight upwards, and are in a straight line with your shoulders, keeping parallel to the ground. At this time, relax your arms and return to your original position. Each movement consists of 15 sets, and you can perform 2 to 3 sets.

Tips

Teres

Teres are the muscles of a person's back. If a person wants to exercise, in addition to understanding the teres major, he also needs to understand the muscles of various parts of a person. Fitness must be learned 42 Muscle Anatomy 》

National Rehabilitator's Explanation: 42 Muscle Anatomy

Class 1-5: Latspinal dorsi, terespinalis major, supraspinalis, terespinalis minor, serraspinalis posterior

Class 6-10: Leanscapularis scapularis, subscapularis, latspinalis, rhomboids, temporalis

Class 11-15: Serras anterior, deep cervical flexors, erection spinalis, natural belt Abs muscles, head and neck clamp muscles

Trail muscles, scaletile muscles, pectoralis major muscles, sternocleidomastoid muscles, pectoralis minor muscles