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A former dancer, Gummer was about to start a scholarship at a dance college when complications during a hernia operation resulted in a seizure that left her paralysed.
At age 18, a doctor told her that not only would she not be attending dance college, but she would never walk again.
Gummer told Business Insider that by teaching herself to stand, walk, and eventually run, jump and train again, she developed a love for fitness and found her new career.
From teaching herself to walk again to gaining her fitness qualification and being named a Star Trainer by GQ, see her incredible life below.