+The **sarcomere** is the basic, repeating unit of [muscle contraction](/wiki/muscle_contraction), a precise assembly of proteins within striated muscle tissue. Within this tiny engine, [actin](/wiki/actin) and myosin filaments slide past each other, orchestrating the force behind all movement.
+## See also
+- [Muscle](/wiki/muscle)
+- [Protein](/wiki/protein)
+- [Cell](/wiki/cell)
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