Unsurprisingly, Essendon devoted a large portion of their preparation for Saturdays clash against Richmond to honing their kicking for goal.The last-placed Bombers, perhaps more than any other AFL team, can ill afford to spurn scoring opportunities having worked so hard to create them.Coach John Worsfold was left to rue a wayward display in front of goal last week that cost his side dearly in a spirited 11-point loss to St Kilda.Young spearhead Joe Danihers inaccuracy has been dissected in great detail in the media following his return of 2.3, which took his season tally to a wasteful 24.22.But Worsfold said it is unfair to single out his athletic full-forward.As a team we want to kick more goals ... Joe wasnt the only one who missed shots last week, Worsfold said on Friday.Players missed kicks through the middle of the ground as well that cost us at the other end.Daniher continues to use the same set shot routine he developed last year with the guidance of club great Matthew Lloyd, although assistant coach Hayden Skipworth now oversees his work in that area.If we felt it was more of a biomechanical (issue) wed go outside and get some experts in, Worsfold said.Any of those close skills where you feel like all eyes are on you and everyones relying on you - they challenge you mentally.Ultimately its about having a focus and a routine to go through, which he does have, and the challenge for him is to make sure that he sticks to that routine and delivers the result that were looking for.Im confident that Joes aware of what he needs to do to improve his accuracy.The Bombers, currently on a 13-game losing streak, welcome back David Zaharakis from suspension and Matthew Leuenberger from injury against the Tigers, with Adam Cooney rested and Sam Michael dropped.Worsfolds side suffered a 38-point loss in their round-10 Dreamtime at the G clash with Richmond but the coach is hopeful of a better showing on the back of last weeks encouraging performance against the Saints.Our challenge is that we want to build consistency, continuity of effort and pressure on the opposition, he said.Were really excited about the opportunity to back up last weeks good effort.Richmond, currently 13th on the ladder, made one change to the side that fell to the Western Bulldogs, regaining Shaun Grigg from a knee injury at the expense of Reece Conca. 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THE 47 EVENTSMen (15 track races, 8 field events and 1 combined event)10 flat races: 100m, 200m, 400m, 800m, 1500m, 5000m, 10000m, marathon, 4x100m and 4x400m relays2 walking races: 20km and 50km3 hurdles races: 110m and 400m hurdles, 3000m steeplechase4 jumping events: high jump, pole vault, long jump and triple jump4 throwing events: shot put, discus, hammer and javelin1 combined event: decathlon (10 disciplines)Women (14 track races, 8 field events and 1 combined event)10 flat races: 100m, 200m, 400m, 800m, 1500m, 5000m, 10000m, marathon, 4x100m and 4x400m relays1 walking race: 20km3 hurdles races: 100m and 400m hurdles, 3000m steeplechase4 jumping events: high jump, pole vault, long jump and triple jump4 throwing events: shot put, discus, hammer and javelin1 combined event: heptathlon (7 disciplines)THE FORMATTrack events: A series of qualifying rounds determine the 8 finalists for the lane races. Qualifying rounds determine 12 or 20 finalists for the middle distance and long distance races. One race only for the marathon and walking races.Field events: Qualifying rounds determine the 12 competitors for the final. The 8 best athletes after 3 attempts have 3 extra attempts in throwing events, triple jump and long jump. In pole vault and high jump, competitors are progressively eliminated as the height of the bar is raised.MILESTONES3500 BCEgyptian wall drawings depict athletics scenes.776 BC - 393 ADThe ancient Olympic Games feature foot races, jumping events and throwing events.490 BCLegend has it that the Greek soldier Philippides ran betwween Marathon and Athens, a distance of around 40km, to announce the victory of the Greek troops against the Persians.dddddddddddd Upon arrival he died of exhaustion, and the marathon was born in his memory.1896Baron Pierre de Coubertin creates the modern Olympic Games, with athletics as the principal sport.1964Automatic timing to the nearest 1/10th of a second.1968American Jim Hines becomes the first man to run 100m in under 10 seconds. Dick Fosbury revolutionises the high jump at the Mexico Games with the introduction of the Fosbury flop (performing the high jump with his back to the bar). Synthetic athletics tracks make their appearance in international competitions.1983The first edition of the world athletics championships is held in Helsinki.1988Canadian Ben Johnson fails a drugs test after winning the 100m at the Seoul Olympics.STARSPaavo Nurmi (Finland)The king of long distance running. 12 medals, including a record 9 golds, in middle distance, long distance, steeplechase and cross-country events, at the 1920, 1924 and 1928 Games.Jesse Owens (United States)The hero of Berlin. The African American won 4 gold medals in sprinting and long jump at the 1936 Games, as he stole the show under the nose of German dictator Adolf Hitler.Carl Lewis (United States)King Carl. 10 medals including 9 golds (an Olympic record) in sprinting and long jump between 1984 and 1996. He also boasted 8 world titles and 13 world records. ' ' '