The Lateral Column

Jarrett, Beth; Cheung, Timothy; Oh, Elizabeth

doi:10.1016/j.cpm.2019.08.005

Cited by 4 publications

(4 citation statements)

References 22 publications

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“…The lateral fascicle has a close relationship with the foot lateral column, originating in the calcaneal tuberosity, and inserting on the fifth metatarsal head tubercle, being shorter and narrower than the central fascicle [3]. Although both medial and lateral longitudinal foot arches have load-sharing capabilities, extensive biomechanical analysis of the lateral foot arch is lacking to describe any height variation during the gait cycle [12]. Thus, one could hypothesize that during the gait cycle, plantar fascia lateral fascicle tension is lower compared to that of the central fascicle, accounting for fewer injuries.…”

Section: Discussionmentioning

confidence: 99%

“…Thus, one could hypothesize that during the gait cycle, plantar fascia lateral fascicle tension is lower compared to that of the central fascicle, accounting for fewer injuries. Nonetheless, the foot lateral arch plays a role in energy conservation, stability, propulsion, and shock absorption [12], which might explain lateral fascicle fasciitis and even rupture. Therefore, although it is less biomechanically recruited compared to the central fascicle, the lateral fascicle seems to suffer significant strain during dynamic feet movement.…”

Section: Discussionmentioning

confidence: 99%

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Plantar Fascia Lateral Fascicle Rupture: How Severe Can It Be?

Correia¹,

Lopes²

2022

Cureus

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The plantar fascia is a thick and strong group of longitudinal and transverse bands of collagen-rich tissue, consisting of central, medial, and lateral fascicles. Biomechanically, the central fascicle assumes a special role in medial longitudinal foot arch preservation. However, there is scarce data on plantar fascia medial and lateral fascicles' anatomy and pathology in the literature.We report the case of a 27-year-old male professional soccer player who presented with sudden-onset, severe lateral right rearfoot pain that had started while doing linear sprinting practice. The athlete had no relevant medical history and no history of previous right foot injuries. The radiographic study of the right foot revealed no significant changes. MRI showed a high T2 signal partially interrupting the plantar fascia lateral fascicle low signal, consistent with a lateral fascicle rupture. The rehabilitation program was initiated and included pharmacological and non-pharmacological management. He experienced an extremely favorable evolution of his condition with the absence of pain and partial weight bearing in less than one week, with a full return to sports in approximately two weeks.During dynamic foot movement, the lateral fascicle seems to be less biomechanically recruited compared to the central one; however, the strain is not negligible and might be the reason for the pathology. Still, this slightly decreased strain might explain this injury's faster healing time compared to that associated with the central fascicle. Regarding the risk factors for plantar fascia ruptures, it should be kept in mind that a tear might occur even in their absence.We intend to raise awareness about the existence of plantar fascia lateral fascicle and the possibility of associated pathology, either acute or chronic. Hopefully, in the near future, plantar fascia ruptures will get significantly more attention in the literature, enabling the creation of proper management guidelines.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Plantar Fascia Lateral Fascicle Rupture: How Severe Can It Be?

Correia¹,

Lopes²

2022

Cureus

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“…For example, the PL pulls the base of the first metatarsal to stabilize the medial longitudinal arch and improve foot arch stiffness ( Kirby, 2017 ). Conversely, the PB is inserted into the fifth metatarsal and contributes to the stability of the fifth ray ( Jarrett et al, 2020 ). Thus, the PL and the PB contribute to ankle stability and foot arch stiffness by exerting different roles.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, low PL activity has been reported to be related to flat foot, a common foot condition ( Murley et al, 2009 ; Saleh et al, 2021). Moreover, decreased function of the PB results in decreased stability of the fifth ray, leading to fractures of the fifth metatarsal, hypermobility, and ankle sprain, which occur frequently in sports activities ( Jarrett et al, 2020 ; Kopytko et al, 2023 ). These reports indicate that dysfunction of the PL and the PB can cause dissimilar problems in the foot and the ankle.…”

Section: Introductionmentioning

confidence: 99%

Selective Strength Training Changes the Morphology and Ankle Strength of the Peroneus Longus and the Peroneus Brevis

Arima,

Maeda,

Oda

et al. 2024

Journal of Human Kinetics

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This study aimed to investigate the 8-week selective training effect of the peroneus longus (PL) and the peroneus brevis (PB) on muscle morphology, echogenicity, and ankle strength and to examine post-intervention detraining effects. Twenty healthy participants without orthopedic disease in the lower extremities were assigned to either the PL intervention group (training consisted of pushing the Thera-Band® out from the ball of the foot to emphasize ankle eversion) or the PB intervention group (training consisted of pulling the Thera-Band® from the base of the fifth metatarsal to enhance ankle valgus and external rotation). Each intervention was performed three times per week for 8 weeks. The cross-sectional area (CSA), thickness, echogenicity, and ankle strength of the PL and the PB were measured before week 1 and after each training session. Detraining effects were evaluated after the 8-week intervention. The results revealed a significant interaction between within-group (week) and between-group (type of intervention) variables on CSA and ankle strength of both the PL and the PB. Over the 8-week training period, the CSA and ankle strength of the PL significantly increased in the PL intervention group, as did the CSA and ankle strength of the PB in the PB intervention group (p < 0.05). The residual effect of muscle hypertrophy was observed during the detraining period. In conclusion, 8-week selective PL and PB training interventions can increase the CSA and ankle strength of these muscles over time. Long-term selective intervention is required to improve peroneus muscle morphology and function, with separate assessments of the CSA and ankle strength of the PL and the PB.

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Acute Effects of Selective Strength Exercise on the Peroneus Longus and Brevis

Arima¹,

Maeda²,

Oda³

et al. 2023

jsportscimed

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The peroneus muscles are muscles that mainly act in ankle eversion and can be divided into PL and PB, which have different but important roles in foot and ankle functions. Therefore, PL and PB dysfunction can lead to foot and ankle issues, making. selective strength exercise necessary. This study aimed to identify the effect of two different exercise techniques on PL and PB morphologies. Two interventions were performed on separate days: the PL intervention, in which a Thera-Band® was placed on the ball of the foot and pushed out from the contact point, and the PB intervention, in which the Thera-Band® was pulled from the base of the fifth metatarsal. Cross-sectional area (CSA) and thickness of the peroneus muscles at 25% (showing the PL morphology) and 75% (showing the PB morphology) proximal to the line connecting the fibular head and lateral malleolus, as well as ankle strength was measured before and immediately after the interventions and at 10, 20, and 30 min later. A repeated-measures two-way analysis of variance was conducted to identify differences in the effects of the interventions on the PL and PB. Main and interaction effects on CSA, thickness, and ankle strength, with a significant increase in CSA and thickness in the proximal 25% in the PL intervention and the distal 75% in the PB intervention immediately after implementation, were observed (p < 0.05). The transient increase in muscle volume due to edema immediately after exercise indicates the acute effect of exercise. The CSA and thickness of the proximal 25% in the PL intervention and the distal 75% in the PB intervention increased immediately after the intervention, indicating that these interventions can be used to selectively exercise the PL and PB.

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The Lateral Column

Cited by 4 publications

References 22 publications

Plantar Fascia Lateral Fascicle Rupture: How Severe Can It Be?

Plantar Fascia Lateral Fascicle Rupture: How Severe Can It Be?

Selective Strength Training Changes the Morphology and Ankle Strength of the Peroneus Longus and the Peroneus Brevis

Acute Effects of Selective Strength Exercise on the Peroneus Longus and Brevis

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