Gymnastics, trampolining, figure skating
a starfish does not have a spine.
Most of the European sports don't use percentages. Cricket, both codes of Rugby, Soccer etc etc There is only really the main American sports that use percentages at all.
Macro invertebrates are organisms with no backbone or spine that can be seen without the use of microscope. The best examples are flatworms, crayfish, snails, clams and dragonflies.
Gymnastics, Golf and Tai Chi are 3 examples!
Most of the major muscles are used. Gastrocnemius, Quadriceps, back muscles, lat dorsis, erector spine and neck muscles.
protection
They use their spine.
spine
Whether or not an animal contains a spine or backbone distinguishes animalia into two different groups: Vertebrates (with spines--examples: canines, felines, humans) and invertebrates (without spines--examples: sponges, worms, mollusks).
A spine is a backbone of a skeletal structure. This can be a literal line of bones, the part of a book where the pages meet, or it can mean courage or nerve. Here are some examples:That patient has a broken spine, so he cannot walk.Grow a spine and stand up to that bully!I went to a chiropractor to get my spine adjusted.Show your spine, Private!But a jellyfish HAS no spine, Sergeant...
the bones they use are the leg the thigh and the spine.
A slug has no backbone i thinkFrogappleSlug and snails but I'm not sure what its technical term is