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Showing 1 to 20 of 32 for “"biceps brachii"”.
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The effect of spinal manipulation on biceps brachii muscle activity
Submitted in partial compliance with the requirements for the Master’s Degree in Technology: Chiropractic, Durban University of Technology, Durban, South Africa, 2016.
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The effects of training the biceps brachii muscle to failure
… the effects on the size and strength of the biceps brachii muscle of an exercise routine that trained the biceps to failure during each workout. The workout routine used ten exercises that specifically isolated the biceps brachii. A series of experiments measuring the size, maximum force, and …
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Effects of muscle contractions on biceps brachii oxygenation investigated by near-infrared spectroscopy
… to compare oxidative metabolic responses of the biceps brachii during lengthening (eccentric), shortening (concentric) and static (isometric) voluntary contractions, and electrically evoked isometric contractions. Therefore, the overall purpose of this thesis was to investigate the effects of …
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The Relationship Between Torque and IEMG During Proportional Shortening of the Biceps Brachii Muscle
… and IEMG during proportional shortening of the biceps brachii muscle where the angular displacement to each subject was based upon the resting length of their muscle. Thirty male subjects participated in the investigation after giving informed consent. The results of the investigation supported …
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Fitts' Law and human control of an electromyographic signal from the biceps brachii muscle group
Six human subjects performed a modified Fitts' test by moving an electromyographic signal between two targets on a computer screen. For five out of six subjects, the results were consistent with Fitts' Law with correlation coefficients ranging between 29% and 72%. The low correlation of the sixth …
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Impedance Changes in Biceps Brachii Due to Isometric Contractions and Muscle Fatigue Using Electrical Impedance Myography (EIM)
… 100% of maximum voluntary contraction) of the biceps brachii over a multifrequency spectrum. Impedance measurements due to muscle fatigue was further studied and compared to muscles under static conditions. It was discovered that isometric contractions had a direct, but nonlinear effect on …
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A comparison of the standard barbell bench press and novel BandBell bench press
… resulting effect of the instability sEMG of the biceps brachii, triceps brachii, pectoralis major, anterior deltoid, external oblique, latisimus dorsii, vastus lateralis and gastrocnemius were recorded. It was found that the distance travelled in the sagittal and transverse planes and mean …
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Modulation of corticospinal excitability during arm cycling in humans
… changes in corticospinal excitability in biceps brachii during different motor outputs, including those generated by spinal CPGs. The major findings from the present study suggest that corticospinal excitability is enhanced, in biceps brachii, during the initiation of the flexion phase of …
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Pain assessment and possible mechanism of delayed onset muscle soreness
… muscle pain perceived upon palpation of the biceps brachii at three sites (5, 9, and 13 cm above the elbow crease) was assessed by VAS with a 100 mm line (0 = no pain, 100 = extremely painful), and PPT of the same sites was determined by an algometer. The VAS increased after exercise and …
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Tensiomyografie – analýza nejistot měření
… Jejich vliv byl experimentálně proměřen na m. biceps femoris a m. biceps brachii u dvou probandů a výsledky byly porovnány s referenčními hodnotami od fyzioterapeuta a výrobce přístroje. Na základě tohoto porovnání byla stanovena míra nejistoty u diagnosticky důležitých parametrů Dm a Tc. Dm je …
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The Impact of UPC Placement on the Biomechanical Injury Risk Factors Associated with Cashier Work
… Electromyography was applied bilaterally to the biceps brachii, middle deltoid, flexor digitorum superficialis, and upper trapezius muscles. Cumulative and peak muscle activity were calculated for each trial. Motion capture was placed on the torso, upper arm, forearm, and hand segments and …
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Surface electromyography of facilitated versus free arm activation after stroke
… in which surface EMG was recorded from the biceps brachii and triceps brachii of seven acute stroke patients, during three types of activities. Recordings are made during unassisted attempts at flexion and extension, weight bearing attempts through the arm, and therapist resistive …
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Continuous Therapeutic Ultrasound Decreases Pain Perception and Increases Pain Threshold After Muscle Damage
… treatment of pain caused by muscle damage in the biceps brachii. Methods: Twenty young healthy participants (mean age, 24.05 ± 3.71) were randomly assigned to a control group (sham treatment) or TUS group (treatment). All subjects performed 50 maximal eccentric contractions in both arms on a …
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Perturbation Based Decomposition of sEMG Signals
… and then to experimental data collected from the biceps brachii. Szlavik's decomposition estimator yields satisfactory results for synthetic and experimental sEMG signals with reasonable complexity.</p>
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Myology of the pectoral girdle of the golden hamster
… M. triceps lateralis, M. triceps medialis, M. biceps brachii and M. brachialis. The origins and insertions or the following muscles had the normal relationships in the golden hamster: sternomastoideus, cleidomastoideus, subclavius, acromiodeltoideus, spinodeltoideus, supraspinatus, …
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Surface Electromyographic Control of a Humanoid Robot
… surface electromyographic activity of the Biceps Brachii muscle and the angle of the elbow joint for the pseudo-static, unloaded arm case. The human arm was mechanically modeled for a two link system actuated by a single muscle. The SEMG activity was found to be directly proportional to …
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Neuromuscular Ultrasound as a Biomarker of Disease Progression in ALS
… thickness of four muscle groups including the biceps brachii, tibialis anterior, geniohyoid, and hemi-diaphragm at both inhalation and exhalation. We measured three times over six months and found significant changes. All muscle groups showed an expected decrease in thickness. When the …
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POWER SPECTRAL ANALYSIS OF SURFACE MYOELECTRIC SIGNALS DURING DYNAMIC CONTRACTIONS
… constant velocity contractions of the right biceps brachii m. were studied. The median frequency and the spectral power were chosen as test indicators of any changes that may occur due either to the loading of the muscle, the angular velocity of contraction or the changes in joint angle (and …
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Physiological and biomechanical responses during high intensity upper body exercise
… point of fatigue/minimum power output (PO). The biceps brachii was predominately affected by resistive load at corrected and uncorrected PPO. Kinematic analysis revealed significant changes in trunk rotational velocity which was greater for 3% vs 4% resistive load (P < 0.05). These data suggest …
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Clarinet Thumb-rest Function: The Pedagogy of Positioning and Electromyography Evidence
… significant main effect of rest position in the biceps brachii, abductor pollicis brevis, abductor pollicis longus, extensor carpi radialis and flexor carpi ulnaris. There was no main effect of hand size in the muscles. Because opposing muscles had contrasting patterns of activation regardless of …
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