Brendan Powell Jr faces a lengthy spell on the sidelines after breaking his arm in a fall at Worcester on Wednesday evening.
The young jockey was partnering Lucys Girl in Worcester's Get Live Sports Scores At Scores.co.uk Mares' Maiden Hurdle when the pair parted company at the second flight and after being taken to hospital, his injury was confirmed.
The jockey's father Brendan Powell Snr, who enjoyed a hugely successful riding career himself before becoming a trainer, expects his son to be on the sidelines for around two months.
He said: "He's had a clean break of his humerus.
"It looks nasty, but hopefully they'll get it sorted. As I said to Brendan, there is never a good time to suffer an injury like this, but if it's going to happen it's better happening now (during the summer)."
"I'm going to pick him up from hospital now, but I've been talking to the doctors and he's going to have to have it operated on and have a pin put in it," continued Powell Senior.
"Hopefully he'll be back in two or two and a half months, something like that."
Powell is one of the rising stars of the National Hunt weighing room and enjoyed a fantastic end to last season, riding a winner at the Cheltenham Festival as well as at Aintree's Grand National meeting.