The development of a HAMstring InjuRy (HAMIR) index to mitigate injury risk through innovative imaging, biomechanics, and data analytics: protocol for an observational cohort study

Table 1 Data collection and corresponding timepoints

Assessment	Measurement	Assessment time^a
		Year 1			Year 2			Year 3
		1	2	3	1	2	3	1	2	3
Demographics		X			X			X
Clinical	Pain and function		X	X		X	X		X	X
Clinical	Injury history	X			X			X
Patient reported outcomes	HaOS questionnaire [24]	X			X			X
Patient reported outcomes	FASH questionnaire [27]		X	X		X	X		X	X
Biomechanical and neuromuscular	Eccentric strength	X		X	X		X	X		X
Biomechanical and neuromuscular	Sprinting biomechanics	X		X	X		X	X		X
MRI	Muscle, tendon and edema morphology	X	X	X	X	X	X	X	X	X

^a(1) Baseline; (2) Within 7 days of initial injury; (3) Within 7 days of return to sport
HaOS, Hamstring Outcome Score; FASH, Functional Assessment Scale for Acute Hamstring Injuries

ISSN: 2052-1847