Internal Rotation: Bringing your arm towards the midline of your body (i.e. rows)Įxtension: Lowering your arm straight down from a raised position (i.e. Horizontal Abduction: Moving your arms out to the side (i.e. It performs these actions in collaboration with the teres major and pectoralis major.Īdduction: Lowering your arm toward your body from the side (i.e. The main function of the latissimus dorsi is adduction, horizontal abduction, and extension, as well as internal rotation, of the shoulder joint. Only a small part of the lat is covered (by your lower traps) right in the center-middle part of your back. You can feel your lats by simply running your hand along your posterior side from under your shoulder all the way down to your lower back. The latissimus dorsi arises from the spine (T7 all the way down to the L5 vertebrae), thoracolumbar fascia and lower part of the scapula and inserts into the humerus (upper arm bone) underneath the bicep. If developed enough, you’ll have that awesome aesthetic v-taper. When people say “build back width”, they are referring to the lats. In fact, it’s the largest muscle in your entire upper body. It is the largest and broadest muscle of your back. The word “latissimus dorsi” comes from Latin, with ‘latissimus’ meaning ‘broadest’ and ‘dorsum’ meaning ‘back’. You, of course, have two lats, one on each side of your spine. Your latissimus dorsi, more commonly referred to as the lats, is a big, flat, triangularly shaped muscle that covers the width of your middle and lower back.
Moreover, we are going to explain literally everything that you need to know about developing your lats to their fullest potential. In this post, we have the 14 absolute best latissimus dorsi exercises for you (plus bodyweight lat exercises you can do at home at the end). So, needless to say, for both aesthetics and performance reasons, it’s important that you give your lats the attention they deserve, and this is why we are here. And while a wide set of lats is impressive looking (that V-taper essential), the muscle also plays a major role in fitness and athletic performance. After all, it’s the biggest and broadest muscle of your upper body.
However, if you have a nice set of wings, you can see the lats from all angles. You might not think of the lats as a mirror muscle as they are on your back.
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