![]() If you imagined the classic cross-body stretch, you aren’t alone. When I say “exercises for latissimus dorsi pain” or “lat stretches,” what comes to mind? Unfortunately, many of us have been tackling our tight lats with a tired old stretch that is in desperate need of an upgrade. When this happens, you might see restricted shoulder mobility and issues maintaining proper posture. These strong muscles can easily be overworked and chronically contracted. While lat injuries are rare, lat TIGHTNESS is not. Latissimus dorsi injuries are possible, but are pretty rare due to the size and strength of the muscle.īaseball pitchers might injure the muscle on their throwing side due to the high velocity at which they throw the ball but even these injuries are pretty uncommon. But…these muscles are usually not the most limber. Your lats probably get worked a fair amount and can provide a lot of power. The lats are usually very strong muscles. The lats get worked really well with classic moves like chinups, rows, and pullovers, however, latissimus dorsi strengthening is probably also big part of your gym routine, whether or not you realize it. However, because your lat crosses your ribs, pelvis, and spine, it is influenced by the position and movements of these areas.įor example, the muscle can assist inhalation (which isn’t necessarily a good thing to be using it for) and also extend the lumbar spine. Your lat works to adduct your arm (bring it in toward your body), extend your arm (move your humerus behind you), and internally rotate your arm. The muscle inserts on the front of your humerus and most of this muscle’s actions occur at your upper arm. Your lat muscle is also connected to the iliac crest – the big, superior arch along the posterior aspect of your pelvis as well as your lower ribs. This muscle connects to either side of your thoracic and lumbar spine via the aptly named thoracolumbar fascia – a band of tissue connecting your vertebrae to surrounding musculature. ![]() You’ve got one lat muscle on each side of your body. Your latissimus dorsi, or lat, is a big, triangular muscle that runs from the head of your humerus, down across your mid and lower back. ![]() ![]() Anatomy & Function of Your Latissimus Dorsi A few simple tweaks can make this stretch more effective at loosening your lats and shoulders and improving posture. In contrast, the connective tissue content and the passive properties returned to control values during this period.It’s time to upgrade the basic latissimus dorsi stretch. Previous gains in muscle weight, length and area of type I fibres all remained. Some incrementally stretched muscles were then allowed an additional 3 weeks of maintained stretch to determine whether the adaptive changes would be preserved or reversed. The cross-sectional area that was occupied by connective tissue increased from 15 to 19% in the stretched muscles, with a concomitant increase in passive energy dissipation. While total power output in the stretched muscle was unchanged, its maximum mass specific power output, as determined by oscillatory work loops, was decreased by 50%. Despite an increase in the proportion of fibres staining positive for the enzyme succinate dehydrogenase (SDH), the myosin ATPase stain showed no appreciable fibre type transformation. number of sarcomeres in series increased 25%). True growth rather than tissue oedema was confirmed by increases in the protein content (130%), the cross-sectional area of the type I fibres (30%) and the muscle length (i.e. Incrementally applied static stretch over 3 weeks resulted in a 72% increase in the weight of the in situ latissimus dorsi muscle in rabbits.
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