نتایج جستجو برای: brachioradialis

تعداد نتایج: 229  

2018
Yali Liu Yuezhen Hong Linhong Ji

Patients with hemiplegia usually have weak muscle selectivity and usually perform strength at a secondary joint (secondary strength) during performing a strength at one joint (primary strength). The abnormal strength pattern between shoulder and elbow joint has been analyzed by the maximum value while the performing process with strength changing from 0 to maximum then to 0 was a dynamic proces...

Journal: :Journal of biomechanics 2002
Wendy M Murray Thomas S Buchanan Scott L Delp

It is often assumed that moment arms scale with size and can be normalized by body segment lengths or limb circumferences. However, quantitative scaling relationships between moment arms and anthropometric dimensions are generally not available. We hypothesized that peak moment arms of the elbow flexor and extensor muscles scale with the shorter distance (D(s)) between the elbow flexion axis an...

2016
Ethan Hill Terry Housh Cory Smith Richard Schmidt Glen Johnson Eling de Bruin

Background: Electromyographic (EMG) and mechanomyographic (MMG) studies of fatigue have generally utilized maximal isometric or dynamic muscle actions, but sportand work-related activities involve predominately submaximal movements. Therefore, the purpose of the present investigation was to examine the torque, EMG, and MMG responses as a result of submaximal, concentric, isokinetic, forearm fle...

2014
Ki Hoon Kim Eun Jin Byun Eun Hyun Oh

OBJECTIVE To investigate the anatomic relationship between the superficial radial nerve (SRN) and the cephalic vein (CV) through ultrasonography due to the possibility of SRN injury during cephalic venipuncture. METHODS Both forearms of 51 healthy volunteers with no history of trauma or surgery were examined in proximal to distal direction using ultrasonography. We measured the distance betwe...

2015
Gennaro Boccia Luisa Pizzigalli Donato Formicola Marco Ivaldi Alberto Rainoldi

Neuromuscular assessment of rock climbers has been mainly focused on forearm muscles in the literature. We aimed to extend the body of knowledge investigating on two other upper limb muscles during sport-specific activities in nine male rock climbers. We assessed neuromuscular manifestations of fatigue recording surface electromyographic signals from brachioradialis and teres major muscles, usi...

2012
Braulio PASTERNAK-JÚNIOR Manoel Damião de SOUSA NETO Valdeci Carlos DIONÍSIO Jesus Djalma PÉCORA Ricardo Gariba SILVA

OBJECTIVE This study assessed the muscular activity during root canal preparation through kinematics, kinetics, and electromyography (EMG). MATERIAL AND METHODS The operators prepared one canal with RaCe rotary instruments and another with Flexo-files. The kinematics of the major joints was reconstructed using an optoelectronic system and electromyographic responses of the flexor carpi radial...

Journal: :Journal of applied physiology 2010
Zoia C Lateva Kevin C McGill M Elise Johanson

We studied the innervation and organization of motor units in the brachioradialis muscle of 25 normal human subjects. We recorded intramuscular EMG signals at points separated by 15 mm along the proximodistal muscle axis during moderate isometric contractions, identified from 27 to 61 (mean 39) individual motor units per subject using EMG decomposition, and estimated the locations of the endpla...

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