The term muscle contraction is identified in base64 scheme by the sequence bXVzY2xlIGNvbnRyYWN0aW9u, while the MD5 signature is equal to 7cc997a259bf058d0ed544508e4a4975. The ASCII encoding of muscle contraction in hexadecimal notation is 6d7573636c6520636f6e7472616374696f6e.