Compound lever sudden movement of the key. The earliest remaining writings regarding levers date from the 3rd century BC and were provided by Archimedes. ""Give me a place to stand, and I shall move the earth with a lever"" is a remark attributed to Archimedes, who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria). The idea of the compound lever is attributed to the Birmingham inventor John Wyatt in 1743, when he designed a weighing machine that used four compound levers to transfer a load from a weighing platform to a central lever from which the weight
Front lever difficult. In the 1960s the move was rated B, when the levels of difficulty were A, B, and C. Evidently the athlete's body length is a factor in point scoring as world class gymnasts are shorter now than during the mid 20th century: for example the top American gymnast in 1956 was John Beckner - 6' 1", whereas the 2004 Olympic champion American gymnast, Paul Hamm, is 5' 4". There are many variations for the Front Lever. The easiest is the tuck front lever, then the advanced tuck variation (where the back is kept flat), then the single leg front