The influence of glove and hand position on pressure over the ulnar nerve during cycling

Slane, Joshua; Timmerman, M.F.; Ploeg, Heidi‐Lynn; Thelen, Darryl G.

doi:10.1016/j.clinbiomech.2011.03.003

Cited by 35 publications

(41 citation statements)

References 27 publications

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“…[12] The high prevalence of neurological hand symptoms found in our study indicates that ulnar and median nerve palsy are not only a problem among professional cyclists participating in multi-day cycle events, but are also found in amateur cyclists who participate in 1-day events. Slane et al [13] found that padded gloves and changing hand position can decrease the pressure applied to the ulnar and median nerves.…”

Section: Discussionmentioning

confidence: 99%

Non-traumatic injury profile of amateur cyclists

walt¹

2016

S Afr J SM

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Background. Non-traumatic bicycle injuries are common. However, research available on non-traumatic injuries in amateur cyclists is more than a decade old, and most of the research on this topic has been done in Europe and America on professional cyclists in multi-day cycling events. An understanding of the common injuries may lead to appropriate prevention intervention. Objective. To determine the incidence of overuse injuries in amateur cyclists preparing for participation in a 1-day cycle challenge. Methods. A questionnaire was emailed to participants of the 2012 Momentum 94.7 Cycle Challenge, which amateur participants ≥18 years old were invited to complete. Data on demographics, training habits and the participants' injury profile in the preceding year were collected. Results. Of the 3 300 respondents, 75% were male and 59% were between 30 and 50 years old. Non-traumatic injury, pain or neurological symptoms were reported by 88% of the respondents. The percentages of all respondents who experienced problems in the following anatomical areas were as follows: neck 34%, back 41%, hand/wrist 41%, buttock/perineum 41%, hip 7%, knee 33% and foot/ankle 24%. Knee pain was responsible for the need to stop training for the largest percentage of respondents. Neurological complaints were common in respondents who experienced neck, back, hand/wrist, buttock/perineum and foot/ankle problems. Conclusion. Non-traumatic injuries in amateur cyclists are common, with back, hand/wrist and buttock/perineal symptoms the most frequent problems. Knee problems caused the greatest need to stop training and seek medical help.

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Section: Discussionmentioning

confidence: 99%

Non-traumatic injury profile of amateur cyclists

walt¹

2016

S Afr J SM

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“…The PB may not provide the necessary relief from the prolonged overlying pressure during conditions in which the palm is passively resting on a surface such as a classic‐style handlebar typical of a road bicycle, in which the overlying pressure on the hypothenar eminence experienced by endurance cyclists depends on the handlebar grip position adapted by the rider (Slane et al. ).…”

Section: Discussionmentioning

confidence: 99%

“…depends on the handlebar grip position adapted by the rider (Slane et al 2011). When the PB contracts, it visibly draws the skin of the hypothenar eminence radially producing a dimpling effect on the ulnar margin of the hand.…”

Section: Discussionmentioning

confidence: 99%

Structural and functional anatomy of the palmaris brevis: grasping for answers

Moore

Rice

2017

Journal of Anatomy

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The palmaris brevis (PB) is a small cutaneous hand muscle that has been described as the most mysterious muscle from a functional and developmental perspective [Kaplan () Kaplan's Functional and Surgical Anatomy of the Hand]. Functionally, the PB is considered to deepen the hollow of the palm and to protect the neurovasculature of the ulnar canal. Although the function of the PB has been inferred from cadaveric observations, the electromyographic (EMG) activity of this muscle has not been explored systematically during specific movements of the hand. The purpose of this study was to record PB intramuscular EMG activity during dynamic grasping tasks, and to quantify the change in PB muscle length (M ) and thickness (M ) incurred during maximal contraction using ultrasound imaging. Intramuscular EMG was recorded from the PB in the dominant hands of 12 healthy participants (11 males, one female; age: 27 ± 4 years) during maximal abduction, flexion and opposition of the 5th digit, and two grasping tasks. Abduction of the 5th digit yielded the greatest EMG activity in most individuals (seven out of 11), and produced significantly less PB EMG activity when compared with grasping a cylindrical-shaped object (P = 0.003) but not a spherical-shaped object (P = 0.130). During maximal abduction of the 5th digit, PB M decreased in both the left (28 ± 11%; P = 0.002) and right (32 ± 5%; P = 0.002) hands. Similarly, a concomitant increase in PB M was observed in the left (68 ± 30%; P = 0.002) and right (85 ± 44%; P = 0.002) hands during the same contraction. These EMG results indicate that the PB is voluntarily activated during prehensile and non-prehensile movements of the hand with significant changes in muscle architecture. The study supports the preservation of the PB in surgical procedures based on its proposed protective role as a muscular barrier to the neurovasculature within the ulnar canal.

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“…Zur Vermeidung solcher Radfahrerlähmungen kann ein spezieller, gepolsterter Handschuh beitragen (Slane et al 2011). Der Prophylaxe kommt hier eine besondere Bedeutung bei.…”

Section: Operative Behandlungunclassified

Nervenkompressionssyndrome

2015

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The influence of glove and hand position on pressure over the ulnar nerve during cycling

Cited by 35 publications

References 27 publications

Non-traumatic injury profile of amateur cyclists

Non-traumatic injury profile of amateur cyclists

Structural and functional anatomy of the palmaris brevis: grasping for answers

Nervenkompressionssyndrome

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