Table 3. Summary of the studies on heel flare effect (n = 1.)
Reference Shoe
Conditions		 Tested
running
Speed
(m/s)		 Subject Info
(Numbers, Sex, Age, Landing type)		 Testing
Protocol		 Outcome PEDro Score
Performance
related		 Injury
related
Stacoff et al., (2001) 1. Lateral heel flare of 25° (Flared)
2. No lateral heel flare 0° (Straight)
3. Rounded heel (Round).		 2.5–3 5, M, 28.6, rearfoot striker Overground running → Tibiocalcaneal rotations & shoe eversion;
→ Initial inversion, max eversion velocity, max & total eversion on bone, & total internal tibial rotation.		 NA 6
NA = Not available