Latin: Latissimus dorsi muscle
German: broad back muscle
English: latissimus dorsi muscle
Synergists: Pectoralis major muscle, pectoralis minor muscle
Antagonists: Deltoid muscle, Trapezius muscle
The broad back muscle (Musculus latissimus dorsi) lies directly under the skin surface of the back and makes up the largest muscle in our body in terms of area. It consists of a flat, 5mm thick muscle plate, which turns into a 3 cm thick muscle strand in its course to the humerus.
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Approach: Small tuberosity of the humerus (Crista tuberculi minoris humeri)
Origin:
Innervation: Thoracodorsal nerve, C 6-8
Broad back muscle
(Musculus latissimus dorsi)
You can find an overview of all Dr-Gumpert images at: medical illustrations
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The muscle is contracted when the arms are raised. The best exercise for training the broad back muscle in weight training is therefore
For detailed information on this topic, visit our topic back muscle training
The latissimus pulls this down when the arm is raised (Lat pull) This Adduction, retroverion and Internal rotation take place in backward movements of throwing and shock disciplines in athletics. It works with propped up arms Latissimus (M. latissimus dorsi) as holder of the trunk.
The broad back muscle (Musculus latissimus dorsi) develops the greatest force, similar to the large chest muscle after a pre-stretching. This can be seen very well in the example of a swinging stroke with an ax.
The athlete kneels and supports himself with one hand on the side. The other hand becomes similar to the stretch exercise for that oblique abdominal muscles held above the body. The body is leaned to one side and the upper body is turned slightly inwards.
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