the.com/tendon

the cable that turns muscle's mumbling into the body's actual command

means A tough, fibrous band of tissue that connects muscle to bone, transmitting the force of contraction so the bone actually moves.

from From Latin 'tendo, tendinis,' itself tied to 'tendere,' to stretch or strain — the same straining root behind 'tension' and 'tend.' Medieval Latin anatomists likely shaped it under the influence of Greek 'tenon' (sinew), a cousin from the same Indo-European stretching family. So a tendon is, quite literally, the body's stretched thing.

tensile strength
stronger than steel by weight
slow healing
poor blood supply means months of repair
achilles
thickest tendon, named after a fatal flaw
energy storage
acts like a spring, recycling motion
no muscle
connects muscle to bone, contracts nothing
for instance

achilles tendon — connects calf muscle to heel bone in humans, most commonly injured tendon

patellar tendon — connects quadriceps to shinbone, critical for jumping and running in athletes

rotator cuff tendons — four tendons in shoulder (supraspinatus, infraspinatus, teres minor, subscapularis) that stabilize the joint

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