Reliability of a smartphone goniometer app compared with traditional goniometer for measuring passive motion at the first metatarsophalangeal joint

Simon Otter, Brunilda Agalliu, Nicola Baer, Georgie Hales, Katrina Harvey, Keeley James, Richard Keating, Warren McConnell, Rachel Nelson, Saddaf Qureshi, Steven Ryan, Abigail St. John, Heather Waddington, Katie Warren, Duane Wong