connection between the plaintiff's condition as it later developed and existed at the time of the trial and any injury received by him while riding in defendant's vehicle.
 Appellant's argument upon this point is in effect an argument as to the weight of conflicting evidence, and is one which could be, and doubtless was, urged in the trial court, but having failed to convince the trial court it is of little weight in an appellate tribunal.
 The record shows that prior to the accident respondent was in normal good health. Subsequent thereto, his legs began to weaken and over a period of several months gradually became paralyzed, his arms weakened to the point where they were almost useless, and for a while he could not move anything excepthis head. Plaintiff was under fairly constant medical care, and was hospitalized at various times. During the several months prior to trial, respondent noticed some *303 improvement in the upper part of his legs, but he could not stand without leg braces unless he used his crutches for balance. These effects resulted from damage to respondent's spine. Several weeks after the accident, while respondent still had power of locomotion, he either fell or suffered a sprain while working on Dr. Wolohan's boat. Appellant urges that respondent's condition stems entirely from this incident rather than from any trauma sustained in the automobile accident. However, there is evidence in the record that respondent started complaining of a stinging and burning sensation in his legs within a day or two after