One of the mysteries of the English language finally explained.
Either of a pair of large, roughly triangular muscles covering the lower part of the back, extending from the sacral, lumbar, and lower thoracic vertebrae to the armpits.
- ‘We measured right and left sides of 4 muscles - sternocleidomastoideus, trapezius, latissimus dorsi, and rectus abdominis - 3 times and averaged the value for each muscle.’
- ‘Accessory slips may join the deltoid with infraspinatus, latissimus dorsi, or even teres major.’
- ‘My rheumatologist thought I might have torn muscle fibers in the latissimus dorsi and tried an injection of triamcinolone.’
- ‘Abdominal muscles, the latissimus dorsi (running down your sides), as well as the lower back are also engaged when fencing, which in time will enhance your posture and waistline.’
- ‘Subjects with greater imbalance of muscle stiffness such as latissimus dorsi or trapezius had significantly higher neuroticism and psychoticism scores than did those with lower imbalance.’
Early 17th century: modern Latin, from musculus latissimus dorsi, literally ‘broadest muscle of the back’.
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