(n.) A muscle having two heads or origins; -- applied particularly to a flexor in the arm, and to another in the thigh.
Example Sentences:
(1) The following case report illustrates such a case as well as its successful treatment using the BICEPS model.
(2) It mostly happens to strong men whose biceps muscle are contracted and overstretched unexpectedly.
(3) The investigation included the measurement of heart rate, bioelectrical muscle activity of the right and left M. biceps brachii and M. deltoideus and muscular endurance at 50% MVC.
(4) Bilateral electromyographic recordings from the biceps brachii and brachialis demonstrated that the amount of excitation overflow in the nonactive limb is between 10 percent and 20 percent of the maximal intensity of activity measured in the exercised limb.
(5) Chest and biceps circumferences increased 4.2% and 3.1%, respectively; abdomen and thigh circumferences did not significantly change; body fat decreased 16.8%; and body mass increased 2.3%.
(6) In severely impaired limbs, there was a marked shift in both the peak EMG angle and the angular domain of EMG activity for both biceps and triceps muscle groups, away from the normal elbow flexion-extension axis towards external humeral rotation and shoulder girdle elevation.
(7) Torque pulses (of 10 or 100 msec) injected randomly to load or unload the movements stretched or slackened the appropiate prime movers: biceps or triceps.
(8) Ram biceps femoris weights at market were greater than those of wethers (P less than .05).
(9) During the MONICA project, the survey of cardiovascular risk factor prevalence enabled us to measure the thickness of four skinfolds (biceps, triceps, subscapular, suprailiac) in 263 inhabitants of Lausanne (125 men, 138 women).
(10) The innervation of the biceps muscle was examined in regenerated and vitamin A-induced serially duplicated axolotl forelimbs using retrograde transport of horseradish peroxidase.
(11) Biopsies of the biceps femoris and triceps muscles, when examined with the electron microscope, revealed evidence of sarcotubular and mitochondrial abnormalities.
(12) The method is exemplified by autoradiographs of human brain hemisphere ([ 3H]quinuclidinylbenzilate) and whole biceps muscle ([ 3H]alpha-bungarotoxin).
(13) In one series of experiments, single-fiber EMG electrodes recorded responses of single muscle fibers (i.e., motor units) in biceps femoris during the hind limb withdrawal, without and during electrical stimulation in the midbrain periaqueductal gray (PAG) or lateral midbrain reticular formation (LRF).
(14) As compared to the mean values of normal gravity controls, centrifuged dogs showed no differences in femur length; cross-sectional area, outer and inner radii at mid-shaft of the femur; dry weights of the biceps femoris, quadriceps femoris, and gastrocnemius muscles.
(15) Treatment of diabetic mice with BRL 26830 a thermogenic, beta-adrenoceptor agonist, restored the weight, fibre diameter and fibre type composition of the biceps brachii to that of lean littermates.
(16) Threshold for biceps on each side was significantly higher than ADM, but there was no side-to-side difference.
(17) We report a case of post-traumatic compartment syndrome of the biceps-brachialis compartment after a minor injury.
(18) The aim of this study was to investigate the reflex effects on triceps surae and plantaris fusimotor neurones elicited by tonic stretch of the contralateral posterior biceps and semitendinosus (p.b.s.t.)
(19) Only in fragments of the biceps brachii muscle histological and histochemical investigations showed mitochondrial changes of the type of "ragged-red fibres".
(20) The tracer was injected either into the quadriceps muscles or into the posterior biceps muscles, thus labeling interneurons presynaptic to the quadriceps motoneurons (QINs) or interneurons presynaptic to posterior biceps motoneurons (PBINs).
Flexor
Definition:
(n.) A muscle which bends or flexes any part; as, the flexors of the arm or the hand; -- opposed to extensor.
Example Sentences:
(1) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
(2) In case of isolated damage of deep flexor tendon of the II-V fingers at the level of the I zone there were made palliative operations of 12 fingers: tenodesis and arthrodesis of distal interphalangeal articulation in functionally advantageous position.
(3) From the results presented it appears that morphine produces a reciprocal change in the activity evoked in extensor and flexor reflex pathways.
(4) Tension in flexor tendons during wrist flexion may play a role in otherwise unexplained instances of the carpal tunnel syndrome.
(5) Weakness of the flexor pollicis longus, flexor digitorum profundus and pronator quadratus is usually related to an isolated paralysis of the anterior interosseous nerve in the volar aspect of the forearm.
(6) There were no significant effects of training on the time-related contractile properties (time to peak torque, half-relaxation time), CSA, or %MUA of the elbow flexors or knee extensors.
(7) The aim was to find out to what extent information from homonymous muscles of the forelimbs converge on the same CBM neurons and whether the probability of such a convergence depends on location (axial, proximal, distal) or function (flexor, extensor) of the tested muscles.
(8) Small extensions from the distopalmar outpouchings were seen and extended axially into the fibers of the suspensory ligament or between the suspensory ligament and the distal accessory ligament of the deep digital flexor tendon.
(9) Entrapment of the ring finger flexor digitorum in the ulna following fracture of both forearm bones is very rare.
(10) This is a report of changes in reflex excitability of flexor motoneurons in response to innocuous mechanical stimuli following initiation of an acute experimental inflammation of the knee joint in the chloralose-anaesthetized cat spinalized at level T12.
(11) The EMG activity in flexors of both shoulder and elbow showed reflex responses at short latency (approximately 25 ms).
(12) The authors describe a new form of sit-up exercise that should isolate the abdominal muscles and eliminate the hip flexors from participation.
(13) These changes in flexor and extensor burst duration were reflected in changes in the step cycle duration.
(14) Between 1972-1982 14 patients with ruptured flexor tendons were treated at the accident hospital in Linz.
(15) The activity patterns in self- and cross-reinnervated flexor digitorum longus (FDL) and soleus (SOL) muscles were examined during natural movements in awake, unrestrained cats in which electromyographic (EMG) electrodes, tendon-force gauges, and muscle-length gauges had been chronically implanted under anesthesia and aseptic conditions.
(16) When maximal isometric trunk flexor or extensor torques were imposed upon a maximal Valsalva manoeuvre, transversus abdominis activity and intra-abdominal pressure remained comparable within and across conditions, whereas obliquus internus, obliquus externus and rectus abdominis activities either markedly increased (flexion) or decreased (extension).
(17) Electrical and mechanical responses were evoked in the elbow flexors (EFs) of normal subjects and myopathy patients by maximal stimulation of the musculocutaneous nerve by a wire electrode in the axilla.
(18) EMG of several flexor and extensor muscles was recorded together with the kinematics of the movement (EL.I.TE.
(19) In the flexor reflex preparation, DX acted like other sero-tonin receptor blockers: By itself, it had no influence on the flexor reflex but it prevented the potentiation induced by serotonergic agents (fenfluramine, LDS, mescaline).
(20) The cellular mechanisms responsible for the differences in the firing behavior of flexor and extensor motoneurons are currently being investigated using techniques that are only possible using the in vitro preparation.