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Topic: Tibialis anterior muscle


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In the News (Fri 17 Feb 12)

  
  BioMed Central | Full text | Morphological, histochemical, and interstitial pressure changes in the tibialis anterior ...
Muscle biopsies were obtained from the tibialis anterior of 9 patients with chronic peripheral arterial occlusive disease of the lower extremities, before and after aortofemoral bypass, in order to evaluate the extent and type of muscle fibre changes during ischemia and after revascularization.
During reperfusion of the acutely ischemic tibialis anterior of rabbits, the deep peroneal nerve's conduction was impaired and the action potential was abolished [29].
The proportion of type I fibres of the ischemic tibialis anterior increased to 66.2% after reperfusion (Table 3), a number closer to that reported for normal subjects [8,13,22-24], whereas the proportion of type II fibres proportionally decreased (Table 3), eventhough these changes in proportions of fibre types were not statistically significant.
www.biomedcentral.com /1471-2474/3/8   (3192 words)

  
  Muscular System (Front View)
The "extensor hallucis longus" are muscles used in extending the toe; the "flexor hallucis longus" are used in flexing it and moving it to the side.
A flexor muscle is one which decreases the angle between two bones, as in bending the arm at the elbow; raising the leg toward the stomach as in kicking a football; or bringing the lower leg up toward the thigh.
The lumbrical muscles are four small, fleshy muscles that are associated with tendons between the four small toes of the foot and the four fingers of the hand.
www.innerbody.com /image/musfov.html   (4024 words)

  
  Reference.com/Encyclopedia/Tibialis anterior muscle
The tibialis anterior is a muscle that spans the length of the tibia.
It arises from the lateral condyle and upper half or two-thirds of the lateral surface of the body of the tibia; from the adjoining part of the interosseous membrane; from the deep surface of the fascia; and from the intermuscular septum between it and the Extensor digitorum longus.
A deep portion of the muscle is rarely inserted into the talus, or a tendinous slip may pass to the head of the first metatarsal bone or the base of the first phalanx of the great toe.
www.reference.com /browse/wiki/Tibialis_anterior_muscle   (437 words)

  
 Free Psychic Reading Love Readings Free Psychics Advice Online True Psychic Reading Services Live Answers Online
Anterior shin splints are considered an overuse syndrome of the tibialis anterior muscle and tendon.
The symptoms of anterior shin splints occur at the origin of the tibialis anterior muscle and tendon (the origin of a muscle and tendon is where it begins and is anchored to the bone).
The second function of the tibialis anterior is to lift the foot during the swing phase of gait.
www.freepsychicnetwork.com /PsychicReadings.php?CatID=26&ArtID=41171   (2006 words)

  
 Compartment Syndrome - Anterior
Anterior compartment syndromes arise when a muscle becomes too big for the sheath that surrounds it causing pain.
The big muscle on the outside of the shin is called the tibialis anterior and is surrounded by a sheath.
A sharp pain in the muscle on the outside of the lower leg, usually the result of a direct blow.
www.sportsinjuryclinic.net /cybertherapist/front/lowerleg/anteriorcompart.htm   (398 words)

  
 phleomycin-muscle.html
Regeneration in mouse skeletal muscle (3) was selected as the principal test system because reasonably close approximations could be made of the time of appearance of the first wave of new muscle fibers or myotubes (96-120 h [4]), and the interval during which replication takes place (38-72 h [4]).
The pattern of suppression of DNA synthesis in regenerating muscle by phleomycin was not predicted, a priori.
In mouse skeletal muscle regeneration in particular this interval coincides with the period of wave I. As is true with other agents which inhibit regeneration, there is a close correlation between the events going on at the time of application and the mode of inhibitory action (see review of these in Fig.
www.indiana.edu /~pietsch/phleomycin-muscle.html   (3869 words)

  
 Pure Fitness
The muscles in our limbs are split into sections or "compartments" bound by strong and relatively unyielding membranes of fibrous tissue (deep fascia), which also attached to bone, in effect wrapping up the different muscle groups.
Muscle weakness of the affected limb may be a feature of these episodes and gradually increasing fullness (literally denseness, crowding or swelling) is a frequent complaint.
During exercise muscle bulk increases by up to one-fifth and it may be this expansion, plus repeated muscle contraction, that increases the intra-compartmental pressure to a level that causes transient ischaemia (a temporary decrease in blood flow) and deoxygenation.
www.pure-fit.com /articles/index.php?folder_id=15   (919 words)

  
 Muscle Performance References
Electrically elicited muscle contractions of relatively high intensity with low numbers of repetitions strengthen muscle proportionally to the external load on the muscle in a manner that is equivalent to voluntary contraction.
Muscle strength and muscle fatigue were estimated by measuring torques in the ankle during attempts of maximal voluntary contraction (MVC) in the direction of dorsal flexion of the foot and during electrically evoked contractions (EEC).
Muscle strength was estimated by measuring torques in the ankle during short attempts of maximal voluntary isometric contraction (MVIC) in the direction of dorsal flexion of the foot.
www.ifess.org /Services/Consumer_Ed/References/muscle_performance_references.htm   (11913 words)

  
 In vivo monitoring of Ca2+ uptake into mitochondria of mouse skeletal muscle during contraction -- Rudolf et al. 166 ...
Tibialis anterior muscle expressing ECFP-CaM and EYFP (B) or YC2 alone (A and B) was observed in situ by two-photon microscopy as described.
Tibialis anterior muscles expressing 2mtYC2 (A–D, F–K, and L [top trace]) or YC2 (E and L [bottom trace]) were observed in vivo with two-photon microscopy (A–H, K, and L) or after longitudinal slicing with confocal microscopy (I and J) as described in the Materials and methods section.
distal tendon of the transfected tibialis anterior muscle was
www.jcb.org /cgi/content/full/166/4/527   (7131 words)

  
 tibialis anterior
Satellite cells are mitotically quiescent in mature mouse muscle: an EM and radioautographic study.
Proapoptotic factor Bax is increased in satellite cells in the tibialis anterior muscles of old rats.
The relationship between sarcomere length in the soleus and tibialis anterior and the articular angle of the tibia-calcaneum in cats during growth.
www.arclab.org /node_pages/895.html   (718 words)

  
 Rehab Recommendations for Anterior Tibialis Tendinosis
When the anterior tibialis muscle is overused, its tendon in the anterior aspect of the lower leg develops a chronic pain: anterior tibialis tendinosis.
The muscle in the front of the leg that usually becomes painful is the anterior tibialis muscle, which is encased in a thin sheath.
This muscle attaches to the foot and flexes the foot upward or back toward the shin; as long as the foot is in proper alignment with the leg, the muscle functions efficiently and pain-free.
www.chiroweb.com /archives/24/16/06.html   (947 words)

  
 Measurement of impaired muscle function
Parameters for muscle stiffness and muscle length are derived from the hysteresis curve of the TAD.
Muscle activity was recorded by surface electromyography (EMG) of the tibialis anterior muscle (TAM) and the medial head of the gastrocnemius muscle (GM).
To quantify the TSR level, the average minimal muscle EMG activity of a muscle is used, indicating the impairment of relaxation of a muscle.
www.rehab.research.va.gov /jour/98/35/3/becher.htm   (5621 words)

  
 fitness instruction -from GHF- fitness instruction - Customized online fitness instruction
The quadriceps and hamstrings act at the knee joint and the calves and anterior tibialis act at the ankle joint.
The forearms are the muscles between the elbow and the wrist.
The external obliques are the muscles of the upper and outside part of your waistline; they start just under your chest, on your lower eight ribs, and are responsible for helping you twist and bend sideways.
www.global-fitness.com /strength/s_video.html   (2385 words)

  
 Muscle Associations : Ipsilateral association
The descending reticular formation is mostly an ipsilateral system of double innervating to the organs and muscles: the lateral reticulo spinal tract reaches the preganglionic autonomic fibers and the medial reticulo spinal tract reaches the lower motor neurons (see Figure 1-7).
The tensor of the fascia lata arises from the outer lip of the crest of the ilium and the anterior superior iliac spine, and it follows the outer side of the thigh to become the ilio-tibial band that inserts on the external tuberosity of the tibia.
The main activity of these three muscles is to stabilize the hip joint in the standing position and to support the body when standing on one limb.
www.neurokinesiology.org /Muscle_Associations/ipsilateral_association.html   (943 words)

  
 Human Anatomy Online
The patella is held in place by muscles, the lower end of which surrounds the patella and is then attached to the upper part of the tibia (shin) by patellar tendons.
The plantaris muscle is a weak flexor of the leg at the knee joint and a plantar flexor of the foot at the ankle joint.
It is a rudimentary muscle, which is sometimes compared to the one in the forearm.
www.innerbody.com /image/musc09.html   (1574 words)

  
 eMedicine - Foot Drop : Article by James W Pritchett, MD, FACS
March gangrene, a form of anterior compartment syndrome, is thought to be due to edema and small hemorrhages in the muscles of the anterior compartment occurring after strenuous activity in individuals not accustomed to it.
The anterior muscles are overpowered by the Achilles tendon, leading to abnormal pronator stress at the midtarsal joint, further encouraging osseous breakdown and foot drop.
During neurotendinous transposition, the lateral head of the gastrocnemius is transposed to the tendons of the anterior muscle group with simultaneous transposition of the proximal end of the deep peroneal nerve.
www.emedicine.com /orthoped/topic389.htm   (5990 words)

  
 Massage for Anterior Shin Splints
Often occurring bilaterally, anterior shin splints typically involve inflammation and/or small tears in the tibialis anterior muscle where it is attached to the tibia.
Due to the tearing of muscle fibers away from the periosteal attachment, anterior shin splints manifest as bumps and tender areas on the anterior leg.
Anterior shin splints are a common injury, with every sports training facility seeing its fair share of painful tibialis anterior muscles.
www.integrative-healthcare.org /mt/archives/2006/02/massage_for_ant.html   (1227 words)

  
 Hint of the Month - Julstro   (Site not responding. Last check: )
Look at the tibialis anterior muscle and you will see that it is a long thick muscle that runs along the entire length of the shinbone, and its tendon inserts into the top outer portion of the foot.
When the muscle of the shin is in spasm you can feel the pain either as shin splints, or as pain in the outside/top ankle, depending on the degree of the contraction and the exact location of the spasm.
Runners are especially prone to experiencing pain at both the origination along the shinbone, as the muscle is actually pulling along the length of the bone; the top of the foot where it bends at the ankle; and the bottom of the foot because of the insertion of this muscle.
www.julstro.com /hint_shin_splints.html   (1006 words)

  
 Caring For Your Feet: Shin Splints
Anterior Shin Splints (pain in the front of the lower leg, on the shin bone or tibia).
Anterior Shin Splints: The muscle in the front of the leg which usually becomes painful is the Tibialis Anterior Muscle, which is encased in a thin sheath.
This muscle attaches to the foot, and flexes your foot upward, or back towards the shin; and as long as the foot is in proper alignment with the leg, the muscle functions efficiently and pain-free.
www.ourfootdoctor.com /yourfeet_shin.shtml   (894 words)

  
 Doctor Michael Moses
Although the pain associated with this condition is due to a chronic contraction of the muscle at the front of leg (tibialis anterior), the cause of this problem is usually related to improper biomechanics of the foot and knee.
To accelerate the healing process and ensure complete recovery, deep tissue muscle therapy for the tibialis anterior and calf is often used to reduce spasm and scar tissue within the muscles.
The Achilles tendon is fibrous tissue that connects the heel to the muscles of the lower leg: the calf muscles.
www.marinemarathon.com /training/training_tips/trainingtips_michaelmoses8df7.htm   (2567 words)

  
 Differential Expression of alpha B-Crystallin and Hsp27 in Skeletal Muscle during Continuous Contractile Activity. ...
For in situ hybridization studies, portions of TA muscle from both the stimulated and contralateral unstimulated hind limbs were fixed in 4% paraformadehyde overnight, dehydrated in graded ethanols, cleared with xylene, and embedded in paraffin.
B-crystallin is abundantly expressed in the ``ragged red fibers'' characteristic of skeletal muscle mitochondrial myopathies, presumably as a consequence of the profound oxidative stress and compensatory proliferation of mitochondria (22).
B-crystallin induction in skeletal muscle is a primary component of the remodeling response to chronic motor nerve stimulation and is, therefore, consistent with adaptive increase in mitochondrial-based metabolism.
www.jbc.org /cgi/content/full/271/39/24089   (6527 words)

  
 Muscles of the Leg
Their anterior tibial muscles swell from sudden overuse and the swollen muscles in the anterior compartment reduce the blood flow to the muscles.
The two muscles are fused at their proximal attachments, but distally the tendon of the fibularis tertius does not attach to a digit.
The fibularis longus is a narrow muscle that extends from the head of the fibula to the sole of the foot.
download.videohelp.com /vitualis/med/mmleg.htm   (2335 words)

  
 Sonography of Muscle Hernias -- Beggs 180 (2): 395 -- American Journal of Roentgenology
muscle bulge with elevation of the overlying fascia (Fig.
Longitudinal sonogram obtained with muscle relaxed shows small segment of thin, slightly elevated fascia with shallow bulge of hypoechoic muscle (arrows are at margins of fascial defect and herniated muscle).
—30-year-old woman with hernia of tibialis anterior muscle presenting as painless mass that was effaced by foot dorsiflexion.
www.ajronline.org /cgi/content/full/180/2/395   (1511 words)

  
 Differing mechanisms of cold-induced changes in capillary supply in m. tibialis anterior of rats and hamsters -- Deveci ...
A representative photomicrograph of ATPase staining from the tibialis anterior core region of a control rat; 10 µm cryostat section.
(A) Rat tibialis anterior (TA) regional differences in capillary-to-fibre ratio (C:F), capillary density (CD) and mean fibre cross-sectional area (FCSA) in core and cortex regions of euthermic (open columns) and cold-acclimated (filled columns) groups.
Estimated regional diffusion distance in tibialis anterior (TA) muscle of euthermic and cold-acclimated rats and hamsters.
jeb.biologists.org /cgi/content/figsonly/205/6/829   (341 words)

  
 Altered Activity of Signaling Pathways in Diaphragm and Tibialis Anterior Muscle of Dystrophic Mice -- Lang et al. 229 ...
in the response to hypertrophic stimuli in skeletal muscle (21)
phosphorylation in diaphragm (DIA) muscle of mdx mice.
The mdx mouse skeletal muscle myopathy: I. A histological, morphometric and biochemical investigation.
www.ebmonline.org /cgi/content/full/229/6/503   (3637 words)

  
 Kinesiology Glossary
A muscle that can move the joint opposite to the movement produced by the agonist.
A muscle that contracts to maintain the tension potential of a biarticulate muscle at the adjacent joint.
Isotonic actually means 'same tension', which is not the case with a muscle that changes in length and natural biomechanics that produce a dynamic resistance curve.
www.exrx.net /Kinesiology/Glossary.html   (869 words)

  
 Altered Activity of Signaling Pathways in Diaphragm and Tibialis Anterior Muscle of Dystrophic Mice -- Lang et al. 229 ...
Altered Activity of Signaling Pathways in Diaphragm and Tibialis Anterior Muscle of Dystrophic Mice -- Lang et al.
Altered Activity of Signaling Pathways in Diaphragm and Tibialis Anterior Muscle of Dystrophic Mice
of p38 kinase was decreased by 33% in the mdx diaphragm muscle.
www.ebmonline.org /cgi/content/abstract/229/6/503   (403 words)

  
 MEDLINE_1966-1995 - Resultado de la búsqueda <página 1>
In the tibialis anterior muscle PH was increased by 31% (p less than 0.01) after exercise.
During the first week of immobilization, PH activity in the shortened soleus muscle was decreased by 21% (p less than 0.001) and by 65% (p less than 0.001) below the control level in the trained and non-trained groups, respectively.
Hyp concentration increased significantly (p less than 0.05) in the shortened soleus muscle after one week of immobilization due to rapid atrophy of non-collagenous proteins, whereas in the tibialis anterior muscle no significant increase was observed until after three weeks of immobilization.
www.bireme.br /cgi-bin/wxislind.exe/iah/online/?IsisScript=iah/iah.xis&nextAction=lnk&base=MEDLINE_1966-1995&exprSearch=1962761&indexSearch=UI&lang=e   (324 words)

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