I honestly don't know where this is coming from. I don't feel she relied on gymnastics in her foxtrot, American Smooth, Viennese Waltz, Samba, Waltz, Paso or Charleston. The only one that I felt really teetered on the edge of the technique/performance boundary was the Argentine Tango - but I still adored it. Jive and Salsa I think had a bit of gymnastic assistance, but still both great gos at the technique.