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.
The average IQ for an American adult is 98, and reaches spot 18 in countries with the highest IQ average. However, there are several spots in which there are duplicate averages, and the US has the 9th highest IQ average (106 being the highest). The average IQ for an American adult is 98, and reaches spot 18 in countries with the highest IQ average.