Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over Study
# Background Assessing individuals in their own athletic footwear in clinics is common, but can affect movement, performance, and clinical measures. # Purpose The aim was to compare overall Landing Error Scoring System (LESS) scores, injury risk categorization, specific LESS errors, and jump heig...
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| Format: | Article |
| Language: | English |
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North American Sports Medicine Institute
2023-08-01
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| Series: | International Journal of Sports Physical Therapy |
| Online Access: | https://doi.org/10.26603/001c.81107 |
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| author | Kim Hébert-Losier Caleb Boswell-Smith Ivana Hanzlíková |
| author_facet | Kim Hébert-Losier Caleb Boswell-Smith Ivana Hanzlíková |
| author_sort | Kim Hébert-Losier |
| collection | DOAJ |
| description | # Background
Assessing individuals in their own athletic footwear in clinics is common, but can affect movement, performance, and clinical measures.
# Purpose
The aim was to compare overall Landing Error Scoring System (LESS) scores, injury risk categorization, specific LESS errors, and jump heights between habitual athletic footwear and barefoot conditions.
# Study design
Randomized cross-over laboratory study.
# Methods
Eighty healthy individuals (55% male) completed the LESS following standard procedures (i.e., land from a 30-cm box to a distance of 50% of body height and then jump upwards maximally). Participants performed the LESS three times in two randomized conditions: footwear and barefoot. LESS data were extracted from 2D videos to compare group-level mean LESS scores, group-level and individual-level injury risk categorization (5-error threshold), specific landing errors, and jump heights between conditions.
# Results
LESS scores were significantly greater (0.3 errors, *p*=0.022) and jump heights were significantly lower (0.6 cm, *p*=0.029) in footwear than barefoot, but differences were *trivial* (*d* = 0.18 and -0.07, respectively) and not clinically meaningful. Although the number of high injury-risk participants was not statistically different at a group level (*p*=1.000); 27 individuals (33.8%) exhibited a clinically meaningful difference between conditions of one error or more in LESS score, categorization was inconsistent for 16.3% of individuals, and four of the 17 landing errors significantly differed between conditions.
# Conclusion
At a group level, habitual athletic footwear does not meaningfully influence LESS scores, risk categorization, or jump height. At an individual level, footwear can meaningfully affect LESS scores, risk categorization, and alter landing strategies. Use of consistent protocol and footwear is advised for assessing movement patterns and injury risk from the LESS given the unknown predictive value of this test barefoot.
# Level of Evidence
Level 3. |
| format | Article |
| id | doaj-art-be8b655ef9194625abb66f5cde4c8443 |
| institution | Kabale University |
| issn | 2159-2896 |
| language | English |
| publishDate | 2023-08-01 |
| publisher | North American Sports Medicine Institute |
| record_format | Article |
| series | International Journal of Sports Physical Therapy |
| spelling | doaj-art-be8b655ef9194625abb66f5cde4c84432025-02-11T20:27:58ZengNorth American Sports Medicine InstituteInternational Journal of Sports Physical Therapy2159-28962023-08-01184Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over StudyKim Hébert-LosierCaleb Boswell-SmithIvana Hanzlíková# Background Assessing individuals in their own athletic footwear in clinics is common, but can affect movement, performance, and clinical measures. # Purpose The aim was to compare overall Landing Error Scoring System (LESS) scores, injury risk categorization, specific LESS errors, and jump heights between habitual athletic footwear and barefoot conditions. # Study design Randomized cross-over laboratory study. # Methods Eighty healthy individuals (55% male) completed the LESS following standard procedures (i.e., land from a 30-cm box to a distance of 50% of body height and then jump upwards maximally). Participants performed the LESS three times in two randomized conditions: footwear and barefoot. LESS data were extracted from 2D videos to compare group-level mean LESS scores, group-level and individual-level injury risk categorization (5-error threshold), specific landing errors, and jump heights between conditions. # Results LESS scores were significantly greater (0.3 errors, *p*=0.022) and jump heights were significantly lower (0.6 cm, *p*=0.029) in footwear than barefoot, but differences were *trivial* (*d* = 0.18 and -0.07, respectively) and not clinically meaningful. Although the number of high injury-risk participants was not statistically different at a group level (*p*=1.000); 27 individuals (33.8%) exhibited a clinically meaningful difference between conditions of one error or more in LESS score, categorization was inconsistent for 16.3% of individuals, and four of the 17 landing errors significantly differed between conditions. # Conclusion At a group level, habitual athletic footwear does not meaningfully influence LESS scores, risk categorization, or jump height. At an individual level, footwear can meaningfully affect LESS scores, risk categorization, and alter landing strategies. Use of consistent protocol and footwear is advised for assessing movement patterns and injury risk from the LESS given the unknown predictive value of this test barefoot. # Level of Evidence Level 3.https://doi.org/10.26603/001c.81107 |
| spellingShingle | Kim Hébert-Losier Caleb Boswell-Smith Ivana Hanzlíková Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over Study International Journal of Sports Physical Therapy |
| title | Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over Study |
| title_full | Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over Study |
| title_fullStr | Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over Study |
| title_full_unstemmed | Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over Study |
| title_short | Effect of Footwear Versus Barefoot on Double-Leg Jump-Landing and Jump Height Measures: A Randomized Cross-Over Study |
| title_sort | effect of footwear versus barefoot on double leg jump landing and jump height measures a randomized cross over study |
| url | https://doi.org/10.26603/001c.81107 |
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