The term muscular contraction is identified in base64 scheme by the sequence bXVzY3VsYXIgY29udHJhY3Rpb24=, while the MD5 signature is equal to ef4c7200c0acd0178c29f36c982b0020. The ASCII encoding of muscular contraction in hexadecimal notation is 6d757363756c617220636f6e7472616374696f6e.