Foot kinematics and loading of professional athletes in American football-specific tasks

Riley, Patrick O.; Kent, Richard W.; Dierks, Tracy A.; Lievers, W. Brent; Frimenko, Rebecca E.; Crandall, Jeff R.

doi:10.1016/j.gaitpost.2012.03.034

Cited by 24 publications

(27 citation statements)

References 26 publications

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“…Reduced ankle dorsiflexion can alter all limb mechanics and predispose athletes to injury. 13 In addition, because NFL players' ankle ROM often approaches or exceeds normal physiologic limits, 14 an ankle ROM limitation will often hinder their performance.…”

Section: Discussionmentioning

confidence: 99%

Arthroscopic Anterior Ankle Decompression Is Successful in National Football League Players

McCrum

Arner²,

Lesniak³

et al. 2018

AMJORTHOP

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Anterior ankle impingement is a frequent cause of pain and disability in athletes with impingement of soft-tissue or osseous structures along the anterior margin of the tibiotalar joint during dorsiflexion. In this study, we hypothesized that arthroscopic decompression of anterior ankle impingement would result in significant, reliable, and durable improvement in pain and range of motion (ROM), and would allow National Football League (NFL) players to return to their preoperative level of play. We reviewed 29 arthroscopic ankle débridements performed by a single surgeon. Each NFL player underwent arthroscopic débridement of pathologic soft tissue and of tibial and talar osteophytes in the anterior ankle. Preoperative and postoperative visual analog scale (VAS) pain scores, American Orthopaedic Foot and Ankle Society (AOFAS) hindfoot scores, and ankle ROM were compared; time to return to play (RTP), events missed secondary to surgery, and complications were recorded. All athletes returned to the same level of NFL play at a mean (SD) of 8.4 (4.1) weeks after surgery and continued playing for a mean (SD) of 3.43 (2.57) years after surgery. Mean (SD) VAS pain scores decreased significantly (P < .001), to 0.38 (0.89) from 4.21 (1.52). Mean (SD) active ankle dorsiflexion increased significantly (P < .001), to 18.86° (2.62°) from 8.28° (4.14°). Mean (SD) AOFAS hindfoot scores increased significantly (P < .001), to 97.45 (4.72) from 70.62 (10.39). Degree of arthritis (r = 0.305) and age (r = 0.106) were poorly correlated to time to RTP. In all cases, arthroscopic débridement of anterior ankle impingement resulted in RTP at the same level at a mean of 2 months after surgery. There were significant improvements in VAS pain scores, AOFAS hindfoot scores, and ROM. Arthroscopic débridement of anterior ankle impingement relieves pain, restores ROM and function, and results in reliable RTP in professional football players.

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Section: Discussionmentioning

confidence: 99%

Arthroscopic Anterior Ankle Decompression Is Successful in National Football League Players

McCrum

Arner²,

Lesniak³

et al. 2018

AMJORTHOP

View full text Add to dashboard Cite

show abstract

“…A study by Riley et al (2013) followed up on the cadaver study by determining the dynamic range of motion of the 1MTP joint of professional American Footwear Science football players while performing football-specific tasks. Nine professional athletes performed multiple tasks, including walking, running, cutting, jumping and planting, while kinematic data were collected on the 1MTP joint.…”

Section: Sprain Of the First Mtp Joint (Turf-toe)mentioning

confidence: 99%

The influence of forefoot bending stiffness of footwear on athletic injury and performance

Stefanyshyn

Wannop

2016

Footwear Science

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Forefoot bending stiffness is a footwear property that has recently been gaining interest despite previously receiving limited attention compared to other footwear characteristics. This review focuses on relevant research studies examining the influence of forefoot bending stiffness on reducing injury and optimizing performance. Discussion of the current limitations and need for future research within the realm of forefoot bending stiffness is also highlighted. By reducing the amount of metatarsophalangeal extension, increased bending stiffness could not only reduce injury risk (e.g. turf-toe), but also serve as a treatment for metatarsal stress fractures by offloading the metatarsals. However, there are surprisingly limited in-depth studies examining how altered forefoot bending stiffness influences injury. Many unknown factors still need to be studied including the appropriate magnitude of bending stiffness and the influence that altering forefoot bending stiffness may have on the injury risk of other joints such as the ankle and knee. Forefoot bending stiffness can influence performance; however, the exact mechanism remains unclear. Early studies focused on foot energetics, while recent studies have shown the importance of altering the movement of the centre of pressure under the foot and the gearing ratio at the ankle joint. There appears to be a specific amount of forefoot bending stiffness for optimal performance. Future research should focus on identifying the exact mechanism of performance improvement with modified bending stiffness to help determine how this optimal stiffness can be identified.

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“…Although previous studies have reported the influence of forefoot bending stiffness on MTP joint motion during various movements (Riley et al, 2013), one important confounding factor in those studies is that the motion of the shoe was being recorded, not the actual motion of the foot within the shoe. Within this special issue, Ford et al (2016) used an electromagnetic motion analysis system to measure and compare the motion of the shoe and foot as forefoot bending stiffness was increased.…”

Section: Editorial Special Issue: Bending Stiffness: Performance and mentioning

confidence: 99%

Special issue: Bending stiffness: performance and injury effects

Wannop

Stefanyshyn

2016

Footwear Science

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Foot kinematics and loading of professional athletes in American football-specific tasks

Cited by 24 publications

References 26 publications

Arthroscopic Anterior Ankle Decompression Is Successful in National Football League Players

Arthroscopic Anterior Ankle Decompression Is Successful in National Football League Players

The influence of forefoot bending stiffness of footwear on athletic injury and performance

Special issue: Bending stiffness: performance and injury effects

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