Role of shoe design in ankle sprain in basketball

NewsBot · Jun 5, 2008

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The role of shoe design in ankle sprain rates among collegiate basketball players.
Curtis CK, Laudner KG, McLoda TA, McCaw ST.
J Athl Train. 2008 May-Jun;43(3):230-3.

CONTEXT: Much of the recent focus in shoe design and engineering has been on improving athletic performance. Currently, this improvement has been in the form of "cushioned column systems," which are spring-like in design and located under the heel of the shoe in place of a conventional heel counter. Concerns have been raised about whether this design alteration has increased the incidence of ankle sprains. OBJECTIVE: To examine the incidence of lateral ankle sprains in collegiate basketball players with regard to shoe design.

DESIGN: Prospective cohort study. SETTING: Certified athletic trainers at 1014 National Collegiate Athletic Association (NCAA)-affiliated schools sponsoring basketball during the 2005-2006 regular season were notified of an online questionnaire. Athletic trainers at 22 of the 1014 schools participated. PATIENTS OR OTHER PARTICIPANTS: A total of 230 basketball players (141 males, 89 females; age = 20.2 +/- 1.5 years) from NCAA Division I-III basketball programs sustained lateral ankle sprains. MAIN OUTCOME MEASURE(S): Ankle sprain information and type of shoe worn (cushioned column or noncushioned column) were collected via online survey. The incidence of lateral ankle sprains and type of shoes worn were compared using a chi-square analysis.

RESULTS: No difference was noted in ankle sprain incidence between groups (chi(2) = 2.44, P = .20, relative risk = 1.47, 95% confidence interval [CI] = 0.32, 6.86). The incidence of ankle sprains was 1.33 per 1000 exposures in the cushioned column group (95% CI = 0.62, 3.51) and 1.96 per 1000 exposures in the noncushioned column group (95% CI = 0.51, 4.22).

CONCLUSIONS: No increased incidence of ankle sprains was associated with shoe design.
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brevis · Jun 8, 2008

Back in university days I remember a study that stated that high cut b'ball shoes did not reduce the risk of inversion injuries. But there seemed to be a correlation b/n exposed cushioning systems ( air pockets, eg nike air) and inversion injuries.....Is this correct?, or was i asleep and dreamed it?

NewsBot · Jun 8, 2008

You weren't asleep:

Ankle injuries in basketball: injury rate and risk factors.
McKay, G D; Goldie, P A; Payne, W R; Oakes, B W:
British Journal of Sports Medicine. 35(2):103-108, April 2001.

Objectives: To determine the rate of ankle injury and examine risk factors of ankle injuries in mainly recreational basketball players.

Methods: Injury observers sat courtside to determine the occurrence of ankle injuries in basketball. Ankle injured players and a group of non-injured basketball players completed a questionnaire.

Results: A total of 10 393 basketball participations were observed and 40 ankle injuries documented. A group of non-injured players formed the control group (n = 360). The rate of ankle injury was 3.85 per 1000 participations, with almost half (45.9%) missing one week or more of competition and the most common mechanism being landing (45%). Over half (56.8%) of the ankle injured basketball players did not seek professional treatment. Three risk factors for ankle injury were identified: (1) players with a history of ankle injury were almost five times more likely to sustain an ankle injury (odds ratio (OR) 4.94, 95% confidence interval (CI) 1.95 to 12.48); (2) players wearing shoes with air cells in the heel were 4.3 times more likely to injure an ankle than those wearing shoes without air cells (OR 4.34, 95% CI 1.51 to 12.40); (3) players who did not stretch before the game were 2.6 times more likely to injure an ankle than players who did (OR 2.62, 95% CI 1.01 to 6.34). There was also a trend toward ankle tape decreasing the risk of ankle injury in players with a history of ankle injury (p = 0.06).

Conclusions: Ankle injuries occurred at a rate of 3.85 per 1000 participations. The three identified risk factors, and landing, should all be considered when preventive strategies for ankle injuries in basketball are being formulated.
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NewsBot · Jan 26, 2017

Collar height and heel counter-stiffness for ankle stability and athletic performance in basketball.
Liu H et al
Res Sports Med. 2017 Jan 25:1-10. doi: 10.1080/15438627.2017.1282352

This study examined the effects of collar height and heel counter-stiffness of basketball shoes on ankle stability during sidestep cutting and athletic performance. 15 university basketball players wore customized shoes with different collar heights (high and low) and heel counter-stiffness (regular, stiffer and stiffest) for this study. Ankle stability was evaluated in sidestep cutting while athletic performance evaluated in jumping and agility tasks. All variables were analysed using two-way repeated ANOVA. Results showed shorter time to peak ankle inversion for both high collar and stiff heel counter conditions (P < 0.05), while smaller initial ankle inversion angle, peak inversion velocity and total range of inversion for wearing high collar shoes (P < 0.05). No shoe differences were found for performance variables. These findings imply that the collar height might play a larger role in lateral stability than heel counter-stiffness, while both collar height and counter-stiffness have no effect on athletic performance.
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Petcu Daniel · Jan 27, 2017

NewsBot said: ↑

Collar height and heel counter-stiffness for ankle stability and athletic performance in basketball.
Liu H et al
Res Sports Med. 2017 Jan 25:1-10. doi: 10.1080/15438627.2017.1282352
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Curious to see how the fitting in the heel area was evaluated!
Daniel

NewsBot · Aug 21, 2019

Effect of shoe wearing time and midsole hardness on ground reaction forces, ankle stability and perceived comfort in basketball landing
Wing-Kai Lam, Hui Liu, Guo-Qing Wu, Zuo-Liang Liu & Wei Sun
Journal of Sports Sciences Volume 37, 2019: 21 Jun 2019

This study examined the effect of wearing time on comfort perception and landing biomechanics of basketball shoes with different midsole hardness. Fifteen basketball players performed drop landing and layup first step while wearing shoes of different wearing time (new, 2-, 4-, 6- and 8-week) and hardness (soft, medium and hard). Two-way ANOVA with repeated measures was performed on GRF, ankle kinematic and comfort perception variables. Increased wearing time was associated with poorer force attenuation and comfort perception during landing activities (p < 0.05). The new shoes had significantly smaller forefoot (2- and 4-week) and rearfoot peak GRF impacts (all time conditions) in drop landing and smaller rearfoot peak GRF impact (6- and 8-week) in layup; shoes with 4-week of wearing time had significantly better perceptions of forefoot cushioning, forefoot stability, rearfoot cushioning, rearfoot stability and overall comfort than the new shoes (p < 0.05). Compared with hard shoes, the soft shoes had better rearfoot cushioning but poorer forefoot cushioning (p < 0.05). Shoe hardness and wearing time would play an influential role in GRF and comfort perception, but not in ankle kinematics. Although shoe cushioning performance would decrease even after a short wearing period, the best comfort perception was found at 4-week wearing time.
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