Muscle herniation of the peroneus longus muscle triggering superficial fibular nerve paresthesia

Sonography ◽  
2017 ◽  
Vol 5 (1) ◽  
pp. 36-40 ◽  
Author(s):  
Annabel Frances Toms ◽  
Leigh Anjanette Rushton ◽  
Natalie Regina Kennedy
Keyword(s):  
Peroneus Longus ◽  
Longus Muscle ◽  
Fibular Nerve ◽  
Superficial Fibular Nerve

Topography of muscular branches of the superficial fibular nerve based on anatomical preparation of human foetuses

2021 ◽  
pp. 151728
Author(s):  
Aleksandra Karykowska ◽  
Anna Rohan-Fugiel ◽  
Grzegorz Mączka ◽  
Joanna Grzelak ◽  
Bohdan Gworys ◽  
...  
Keyword(s):  
Fibular Nerve ◽  
Human Foetuses ◽  
Superficial Fibular Nerve

Effects of immobilizing the cat peroneus longus muscle on the activity of its own spindles

1993 ◽  
Vol 75 (6) ◽  
pp. 2629-2635 ◽  
Author(s):  
M. Gioux ◽  
J. Petit
Keyword(s):  
Short Length ◽  
Full Extension ◽  
Peroneus Longus ◽  
Longus Muscle ◽  
Muscle Compliance ◽  
Muscle Spindle Endings ◽  
Static Discharge ◽  
Distal Tendon ◽  
Stimulation Of

The peroneus longus muscle of 10 cats were immobilized by fixating the distal tendon on the fibula at one of two length: neutral (length for a 90 degrees flexion of the ankle joint; 5 cats) or short (length for a full extension of the joint; 5 cats). Spindle afferent discharges were studied after 2 (4 cats) or 5 wk (6 cats) of immobilization and compared with those of four control animals. In each muscle, the discharges of nearly all primary and one of secondary muscle spindle endings were recorded during 2-mm ramp-and-hold stretches applied at different initial muscle lengths. A very slight increase in both the static discharge and the dynamic index of primary endings was observed in passive spindles. The increase in connective tissue that occurs in immobilized muscle and reduces muscle compliance was likely the sole alteration responsible for this constant effect. The responses to stretches of primary endings during stimulation of static and dynamic gamma-axons were not altered. Muscle immobilization at short length, even if spindle properties are not altered, can be expected to reduce the overall amount of group Ia afferent impulses with possible long-term changes on motoneuron properties.

Properties of motor units after immobilization of cat peroneus longus muscle

1993 ◽  
Vol 74 (3) ◽  
pp. 1131-1139 ◽  
Author(s):  
J. Petit ◽  
M. Gioux
Keyword(s):  
Time Course ◽  
Relaxation Times ◽  
Motor Units ◽  
Short Length ◽  
Low Frequencies ◽  
Tetanic Force ◽  
Peroneus Longus ◽  
Single Motor Units ◽  
Longus Muscle ◽  
Selective Immobilization

Changes in contractile properties of cat peroneus longus motor units were studied 2, 5, and 8 wk after selective immobilization of this muscle, which was achieved by fixing the distal tendon of the peroneus longus to the fibula either at the muscle minimal physiological length ("short" length) or at the length for a 90 degree ankle joint ("neutral" length). In each muscle, 75–90% of the units [slow (S), fast resistant to fatigue (FR), fast intermediate (FI), and fast fatigable (FF)] were studied. Immobilization elicited a permanent decrease in tetanic force developed by single motor units, which was larger for resistant-to-fatigue units (S, FR). In most instances this decrease was not related to the immobilization length. In all units, twitch contraction and half-relaxation times underwent a transient increase, the extent and time course of which were influenced by immobilization length. The relationship between the frequency of motor units activation and the ratio of unfused to maximal tetanic force was studied. For fast units, there was a transient shift of the relation toward low frequencies after 2 and 5 wk of immobilization at neutral and short length, respectively.

Surgical anatomy of sensory portion of superficial fibular nerve for harvesting nerve grafts from fetuses

2010 ◽  
Vol 23 (6) ◽  
pp. 726-731 ◽  
Author(s):  
Pratima Wahee ◽  
Anjali Aggarwal ◽  
K. Harjeet ◽  
Daisy Sahni
Keyword(s):  
Surgical Anatomy ◽  
Nerve Grafts ◽  
Fibular Nerve ◽  
Superficial Fibular Nerve

Circumflex Accessory Branch of the Superficial Fibular Nerve: An Unusual Cause of Nerve Entrapment

2021 ◽  
Vol 111 (3) ◽  
Author(s):  
Patrick A. McEneaney ◽  
Joseph D. Rundell ◽  
Douglas P. Pacaccio ◽  
Thomas S. Nordquist
Keyword(s):  
Case Report ◽  
Peroneal Nerve ◽  
Surgical Excision ◽  
Lower Leg ◽  
Nerve Entrapment ◽  
Deep Fascia ◽  
Secondary Branch ◽  
Tertiary Branch ◽  
Fibular Nerve ◽  
Superficial Fibular Nerve

The superficial fibular (peroneal) nerve traditionally courses through the anterolateral deep leg and pierces the deep crural fascia at the lower leg to divide into its terminal branches. Entrapment of the superficial fibular nerve is most commonly documented to occur at where it pierces the deep fascia, and numerous etiologies causing entrapment are described. In this case report, we describe an unusual cause of entrapment from a tertiary branch of the superficial fibular nerve taking a circumflex course and wrapping around the secondary branch of the main nerve. This was successfully treated by surgical excision. To the best of our knowledge, this cause of entrapment has not been described in the literature at the time of this publication.

Nonlinear Tension Summation of Different Combinations of Motor Units in the Anesthetized Cat Peroneus Longus Muscle

1999 ◽  
Vol 81 (2) ◽  
pp. 771-780 ◽  
Author(s):  
D. Troiani ◽  
G. M. Filippi ◽  
F. Andreasi Bassi
Keyword(s):  
Stimulus Frequency ◽  
Correlation Coefficients ◽  
Motor Units ◽  
Linear Summation ◽  
Peroneus Longus ◽  
Longus Muscle ◽  
The Individual ◽  
And Shifts ◽  
Stimulation Of ◽  
Anesthetized Cat

Nonlinear tension summation of different combinations of motor units in the anesthetized cat peroneus longus muscle. The purpose of this study was to examine the linearity of summation of the forces produced by the stimulation of different combinations of type identified motor units (MUs) in the cat peroneus longus muscle (PL) under isometric conditions. The muscle was fixed at its twitch optimal length, and the tension produced by the single MU was recorded during 24- and 72-Hz stimulation. The summation analysis was first carried out for MUs belonging to the same functional group, and then different combinations of fast fatigable (FF) MUs were added to the nonfatigable slow (S) and fatigue resistant (FR) group. The tension resulting from the combined stimulation of increasing numbers of MUs (measured tension) was evaluated and compared with the linearly predicted value, calculated by adding algebraically the tension produced by the individual MUs assembled in the combination (calculated tension). Tension summation displayed deviations from linearity. S and FR MUs mainly showed marked more than linear summation; FF MUs yielded either more or less than linear summation; and, when the FF units were recruited after the S and FR MUs, less than linear summation always occurred. The magnitude of the nonlinear summation appeared stimulus frequency dependent for the fatigable FF and FI group. The relationship between measured tension and calculated tension for each MU combination was examined, and linear regression lines were fitted to each set of data. The high correlation coefficients and the different slope values for the different MU-type combinations suggested that the nonlinear summation was MU-type specific. The mechanisms of nonlinear summations are discussed by considering the consequences of internal shortening and thus the mechanical interactions among MUs and shifts in muscle fiber length to a more or less advantageous portion of single MU length-tension curves.

Location-specific modulations of plantar cutaneous reflexes in human (peroneus longus muscle) are dependent on co-activation of ankle muscles

2009 ◽  
Vol 195 (3) ◽  
pp. 403-412 ◽  
Author(s):  
Tsuyoshi Nakajima ◽  
Masanori Sakamoto ◽  
Toshiki Tazoe ◽  
Takashi Endoh ◽  
Tomoyoshi Komiyama
Keyword(s):  
Cutaneous Reflexes ◽  
Peroneus Longus ◽  
Ankle Muscles ◽  
Co Activation ◽  
Longus Muscle

The influence of the Peroneus Longus muscle on the foot under axial loading: A CT evaluated dynamic cadaveric model study

2016 ◽  
Vol 34 ◽  
pp. 7-11 ◽  
Author(s):  
K. Dullaert ◽  
J. Hagen ◽  
K. Klos ◽  
B. Gueorguiev ◽  
M. Lenz ◽  
...  
Keyword(s):  
Axial Loading ◽  
Peroneus Longus ◽  
Model Study ◽  
Longus Muscle ◽  
Cadaveric Model
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