Both models feature a raised ride height and this,
together with the extra weight, mean the RXH has more pronounced body lean when cornering than the conventional 508 SW.
This is especially important if your dog has clinical signs of hip dysplasia like reluctance to jump, bunny hopping gait behind at speed (both hind legs moving forward
together), soreness or stiffness after exercise, a «wobbly» hind limb gait, poor muscle mass development behind compared to its forequarter, difficulty getting up, placing
extra body
weight on its fore limbs
with a hunched back, a clicking sound when it walks, or reluctance to allow you to pet near its hips.