Table 1.

Patient characteristics 

Patient (gender)	Age (y)	Leg length R/L (cm)	Foot	Onset of symptoms	Time of Rx (days)	Rx aspect	MRIa	Treatment	Return to full activity after onset of the symptoms (weeks)
1 (F)	17	83/83	Normal	Gradual	7	Normal	Grade 1	ESWT	5
2 (M)	16	90.5/90.5	Pronated	Gradual	10	Cortical reaction	Grade 3 (and CT)	US + EMF	11
3 (M)	20	88/89	Cavus	Gradual	20	Cortical reaction	Grade 3	ESWT	8
4 (F)	15	82/83	Pronated	Gradual	15	Cortical reaction	Grade 3	ESWT	7
5 (F)	16	85/85	Pronated	Gradual	10	Normal	Grade 2	ESWT	6
6 (M)	17	84/85	Normal	Gradual	12	Cortical reaction	Grade 3	ESWT	8
7 (F)	16	85/85	Normal	Gradual	7	Cortical reaction	Grade 3	ESWT	7
8 (F)	17	83/83	Normal	Gradual	9	Normal	Grade 2	ESWT	5
9 (M)	16	90.5/90.5	Pronated	Gradual	10	Cortical reaction	Grade 3	ESWT	6
10 (M)	20	88/89	Cavus	Gradual	20	Cortical reaction	Grade 3	ESWT	8
11 (F)	15	82/83	Pronated	Gradual	16	Cortical reaction	Grade 3	ESWT	7
12 (F)	16	85/85	Pronated	Gradual	10	Normal	Grade 2	ESWT	5
13 (M)	17	84/85	Pronated	Gradual	10	Normal	Grade 2	ESWT	6
14 (F)	16	85/85	Normal	Gradual	9	Stress fracture	Grade 4	ESWT	8
15 (F)	16	85/86	Pronated	Gradual	8	Normal	Grade 2	ESWT	6
16 (M)	17	85.5/85.5	Normal	Gradual	11	Normal	Grade 2	ESWT	5
17 (M)	16	87/87	Pronated	Gradual	8	Normal	Grade 2	ESWT	5
18 (M)	14	87/87	Normal	Gradual	6	Normal	Grade 2	ESWT	6
19 (F)	15	85/85	Normal	Gradual	10	Normal	Grade 2	ESWT	5

M male, F female, Rx radiograph, ESWT external shockwave therapy, US ultrasound therapy, EMF electromagnetic fields

^a Grade 1: Rx negative but STIR images positive; Grade 2: Rx negative but STIR and T2 positive; Grade 3: cortical reaction and T1 and T2 positive; Grade 4: Rx positive for fracture or cortical reaction and fracture line in T1 and T2