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Deleted member D3987
most uneven bar skills are performed with the thumbs alongside the index fingers. when they get atop the bar you will see the thumbs parallel the rail and away from their fingers/fist...kind of like a hitch hiking hand symbol. and you certainly can not do L-grip work with your thumbs around/gripping the rail. although the rail is round [40mm or 1.57 inches) and not egg shaped as its predecessor was, the length of the hand and fingers along with a handgrip and dowel will preclude most kids under 14 or 15 to wrap their thumbs around the bar at all.
and occasionally girls will use their thumbs on front giant work, handstand pirouettes and cast handstands. and you certainly can not do a kip from the ground or a long hang with your thumbs wrapped.
as many of you know, i began gymnastics in the early 60's. and when i began coaching girls we had those awful egg shaped rails. i don't recall anyone ever breaking a thumb. but then, as now, those that attempt to repeatedly use their thumbs end up tearing the cuticle away from the thumbnail. this is usually when the athlete will 'listen' as to what might be a better and less painful way.
the boys steel bar is 28mm or 1.1 inches. much easier to accomplish wrapping of the thumbs. the boys steel bar is polished, and even when chalked with a grip it's much easier for the hand to glide around the bar. the girls have a wood (birch) laminate over (heated and glued with a special adhesive) a hollow fiberglas core. much more difficult for girls for their hands to 'glide' around the rail. simply, the girls rail has more resistance at the hand than the boys steel bar.
and occasionally girls will use their thumbs on front giant work, handstand pirouettes and cast handstands. and you certainly can not do a kip from the ground or a long hang with your thumbs wrapped.
as many of you know, i began gymnastics in the early 60's. and when i began coaching girls we had those awful egg shaped rails. i don't recall anyone ever breaking a thumb. but then, as now, those that attempt to repeatedly use their thumbs end up tearing the cuticle away from the thumbnail. this is usually when the athlete will 'listen' as to what might be a better and less painful way.
the boys steel bar is 28mm or 1.1 inches. much easier to accomplish wrapping of the thumbs. the boys steel bar is polished, and even when chalked with a grip it's much easier for the hand to glide around the bar. the girls have a wood (birch) laminate over (heated and glued with a special adhesive) a hollow fiberglas core. much more difficult for girls for their hands to 'glide' around the rail. simply, the girls rail has more resistance at the hand than the boys steel bar.