Two-Joint Muscles of the Thigh

Markee, J. E.; Logue, John T.; Williams, Morgan; Stanton, W. B.; Wrenn, R. N.; Walker, Leon B.

doi:10.2106/00004623-195537010-00015

Cited by 54 publications

(66 citation statements)

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“…Anatomical dissection has limited applicability for tracing the terminal distribution of nerve branches [31][32][33] .…”

Section: Discussionmentioning

confidence: 99%

“…Though few researchers reported similar integrated activities of each of LPM heads 31,32) , most investigators mentioned a reciprocal activity of superior and inferior heads of LPM [10][11][12][13][14][15]33) . However, insertion of the EMG electrodes is highly difficult due to deep location of the muscle heads in the infratemporal fossa.…”

Section: Studies Based On Electromyographic Activities (Emg) Havementioning

confidence: 99%

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Analysis of the Intramuscular Innervation of the Lateral Pterygoid Muscle

Abe

Naito

Nakao

et al. 2011

J. Hard Tissue Biology.

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The lateral pterygoid muscle has unique anatomical, physiological and functional properties. Since it is attached to the temporomandibular joint (TMJ) disc, its pathologies are closely related to TMJ disorders, which affect many people worldwide. Muscle structures and units are characterized by their morphological appearance, nerve distribution and function. In the present study, we examined the intramuscular innervation pattern of the lateral pterygoid muscle using modified sihler's method. Two types of innervation pattern were evident. In type I, representing the majority of the samples, a total of three branches arising from the main trunk of the mandibular nerve and the buccal nerve innervated the inferior head of the muscle, while branches from the buccal nerve innervated the superior head. In type II, divisions of the lateral pterygoid nerve branched from the buccal nerve located between the heads of the lateral pterygoid muscle and innervated each head separately. Interestingly, muscle bundles with a stronger tendineous structure showed much more innervation than other parts of the muscle. Future studies including quantitative analysis of the nerve distribution to the muscle bundles are warranted.

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“…Anatomical dissection has limited applicability for tracing the terminal distribution of nerve branches [31][32][33] .…”

Section: Discussionmentioning

confidence: 99%

Section: Studies Based On Electromyographic Activities (Emg) Havementioning

confidence: 99%

Analysis of the Intramuscular Innervation of the Lateral Pterygoid Muscle

Abe

Naito

Nakao

et al. 2011

J. Hard Tissue Biology.

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show abstract

“…For this, a high level of motor control is needed to modulate muscle contraction (eccentric, concentric, or isometric) [14,15]. Owing to this demand for a high level of motor control, biarticular muscle function is commonly disturbed and contractures may develop in children with cerebral palsy [17].…”

Section: Introductionmentioning

confidence: 99%

Does Proximal Rectus Femoris Release Influence Kinematics In Patients With Cerebral Palsy and Stiff Knee Gait?

Végvári

Wolf

Heitzmann

et al. 2013

Clinical Orthopaedics &Amp; Related Research

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Background Stiff gait resulting from rectus femoris dysfunction in cerebral palsy commonly is treated by distal rectus femoris transfer (DRFT), but varying outcomes have been reported. Proximal rectus femoris release was found to be less effective compared with DRFT. No study to our knowledge has investigated the effects of the combination of both procedures on gait. Questions/purposes We sought to determine whether an additional proximal rectus release affects knee and pelvic kinematics when done in combination with DRFT; specifically, we sought to compare outcomes using the (1) range of knee flexion in swing phase, (2) knee flexion velocity and (3) peak knee flexion in swing phase, and (4) spatiotemporal parameters between patients treated with DRFT, with or without proximal rectus release. Furthermore the effects on (5) anterior pelvic tilt in both groups were compared. Methods Twenty patients with spastic bilateral cerebral palsy treated with DRFT and proximal rectus femoris release were matched with 20 patients in whom only DRFT was performed. Standardized three-dimensional gait analysis was done before surgery, at 1 year after surgery, and at a mean of 9 years after surgery. Basic statistics were done to compare the outcome of both groups. Results The peak knee flexion in swing was slightly increased in both groups 1 year after surgery, but was not different between groups. Although there was a slight but not significant decrease found the group with DRFT only, there was no significant difference at long-term followup between the groups. Timing of peak knee flexion, range of knee flexion, and knee flexion velocity improved significantly in both groups, and in both groups a slight deterioration was seen with time; there were no differences in these parameters between the groups at any point, however. There were no group differences in spatiotemporal parameters at any time. There were no significant differences in the long-term development of anterior pelvic tilt between the groups. Conclusions The results of our study indicate that the short-and long-term influences of adding proximal rectus femoris release on the kinematic effects of DRFT and on pelvic tilt in children with cerebral palsy are negligible.

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“…With the exclusion of biceps femoris short head (BFShortHead), the hamstrings are biarticular muscles because they cross both the posterior aspects of the hip and knee joints (Koulouris & Connell, 2005), which allow the long hamstrings to perform flexion at the knee and extension of the hip during concentric contraction. Collectively, the hamstrings' common actions are hip extensors and knee flexors; however, each muscle exhibits significant differences in morphology (e.g., physiological cross sectional area), architecture (e.g., fascicle length and pennation angles) and function (e.g., activation patterns) (Markee et al, 1955;Woodley & Mercer, 2005).…”

Section: Hamstringsmentioning

confidence: 99%

“…The ST is a single digastric muscle with a tendinous inscription which divides the muscle belly into superior and inferior portions (Koulouris & Connell, 2005;Markee et al, 1955).…”

Section: Semitendinosusmentioning

confidence: 99%

ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION & THE HAMSTRINGS Implications for injury prevention & rehabilitation

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Two-Joint Muscles of the Thigh

Cited by 54 publications

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Analysis of the Intramuscular Innervation of the Lateral Pterygoid Muscle

Analysis of the Intramuscular Innervation of the Lateral Pterygoid Muscle

Does Proximal Rectus Femoris Release Influence Kinematics In Patients With Cerebral Palsy and Stiff Knee Gait?

ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION & THE HAMSTRINGS Implications for injury prevention & rehabilitation

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