The fingers have two long flexors, located on the underside of the forearm. They insert by tendons to the phalanges of the fingers. The deep flexor attaches to the distal phalanx, and the superficial flexor attaches to the middle phalanx.
An adult can only get a maximum IQ of 161 on the Cattell III B test and 183 on Culture Fair. A top two per cent score on Cattell III B would be 148 or over, while for Culture Fair it is 132 or over. The two papers test different types of IQ.
William James Sidis had the highest ever known IQ estimated at between 250 and 300. The recorded highest IQ was Marilyn vos Savant's 228 IQ. Paola Lokita.