Complex sentence: In 1924 he moved to Paris where he did work masseur and assistant manager of the France national team in the Paris Olympics of 1924, he lent a hand in the work of training to Tom Griffiths.
Split into simpler sentences: In 1924 he moved to Paris where he did work masseur and assistant manager of the France national team in the Paris Olympics of 1924. He lent a hand in the work of training to Tom Griffiths.