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shoulder RM

Vinícius Yan Santos Nacimento, Rafaela Joyce Barbosa Torres, Natália Barros Beltrão, Priscila Soares Dos Santos, André Luiz Torres Pirauá, Valéria Mayaly Alves de Oliveira, Ana Carolina Rodarti Pitangui, Rodrigo Cappato de Araújo
This study evaluated the effects of instability on the EMG activity of scapular stabilizing and upper limb muscles during exercises with axial and rotational load. 20 male volunteers (20.9 ± 1.8 years, 174.1 ± 0.04 cm, 73.17 ± 8.77 kg) experienced in strength training participated in a crossover design. Muscle activation of anterior deltoid (AD), posterior deltoid (PD), pectoralis major (PM), biceps brachii (BB), triceps brachii (TB), upper trapezius (UT), middle trapezius (MT), lower trapezius (LT) and serratus anterior (SA) were determined on both conditions...
October 13, 2016: Journal of Applied Biomechanics
Sang-Mi Chung, Kyoung-Bo Lee, Young-Dong Kim
[Purpose] This study investigated whether a shoulder reaching exercise was beneficial for restoring the standing balance of patients with hemiplegia after stroke. [Subjects and Methods] There were 13 subjects in the experimental group (EG) and 14 subjects in the control group (CG), all with hemiplegia following stroke. The shoulder reaching exercise intervention was performed by the EG and conventional physical therapy was administered to the CG for 30 minutes, 3 times a week for 4 weeks. Virtual reality (RM, BioRescue -AP 1153, France) was used as an assessment tool...
July 2016: Journal of Physical Therapy Science
Birgit Castelein, Barbara Cagnie, Thierry Parlevliet, Ann Cools
BACKGROUND: The quality of the scapular movement depends on the coordinated activity of the surrounding scapulothoracic muscles. Besides the well-known changes in Trapezius and Serratus Anterior (SA) activity in patients with subacromial impingement syndrome (SIS), no studies exist that have investigated the activity of the smaller less superficial muscles that attach on the scapula (Pectoralis Minor (Pm), the Levator Scapulae (LS) and the Rhomboid Major (RM)) in a population with SIS, despite the hypothesized importance of these muscles in shoulder function...
June 2016: Manual Therapy
Tomasz Tomiak, Andriy V Gorkovenko, Arkadii N Tal'nov, Tetyana I Abramovych, Viktor S Mishchenko, Inna V Vereshchaka, Alexander I Kostyukov
The main purpose was to analyze quantitatively the the average surface EMGs of the muscles that function around the elbow and shoulder joints of both arms in bimanual "rowing" movements, which were produced under identical elastic loads applied to the levers ("oars"). The muscles of PM group ("pulling" muscles: elbow flexors, shoulder extensors) generated noticeable velocity-dependent dynamic EMG components during the pulling and returning phases of movement and supported a steady-state activity during the hold phase...
2015: Frontiers in Physiology
Chae-Woo Yi, Ju-Yong Shin, Youn-Joung Kim
[Purpose] This study aims to examine the effects of the extension of the fingers (distal upper limb) on the activity of the shoulder muscles (proximal upper limb). [Subjects and Methods] This study involved 14 healthy male adults with no musculoskeletal disorder or pain related to the shoulders and hands. The subjects in a sitting posture abducted the angle of the shoulder joints at 60° and had their palms in the front direction. Electromyography (EMG) was comparatively analyzed to look at the activities of the infraspinatus (IS) and rhomboid major (RM) when the fingers were extended and relaxed...
September 2015: Journal of Physical Therapy Science
Aaron Sciascia, Tim Uhl
BACKGROUND: Upper extremity physical performance measures exist but none have been universally accepted as the primary means of gauging readiness to return to activity following rehabilitation. Few reports have described reliability and/or differences in outcome with physical performance measures between individuals with and without shoulder symptoms. HYPOTHESES/PURPOSE: The purpose of this study was to establish the reliability of traditional upper extremity strength testing and the CKCUEST in persons with and without shoulder symptoms as well as to determine if the testing maneuvers could discriminate between individuals with and without shoulder symptoms...
October 2015: International Journal of Sports Physical Therapy
Jonathan L Freeston, Thomas Carter, Gary Whitaker, Owen Nicholls, Kieron B Rooney
Throwing velocity is an important aspect of fielding in cricket to affect run-outs and reduce the opponent's run-scoring opportunities. Although a relationship between strength and/or power and throwing velocity has been well established in baseball, water polo, and European handball, it has not been adequately explored in cricket. Consequently, this study aimed to determine the relationship between measures of strength and/or power and throwing velocity in cricket players. Seventeen male cricket players (mean ± SD; age, 21...
2016: Journal of Strength and Conditioning Research
Birgit Castelein, Ann Cools, Thierry Parlevliet, Barbara Cagnie
BACKGROUND: In patients with shoulder or neck pain, often an imbalance of the activation in the scapular upward and downward rotators is present which can cause abnormalities in coordinated scapular rotation. Shrug exercises are often recommended to activate muscles that produce upward rotation, but little information is available on the activity of the downward rotators during shrugging exercises. The position used for the shrug exercise may affect the relative participation of the medial scapular rotators...
February 2016: Manual Therapy
Olav Gomo, Roland Van Den Tillaar
The aim of this study was to examine the occurrence of the sticking region by examining how three different grip widths affect the sticking region in powerlifters' bench press performance. It was hypothesised that the sticking region would occur at the same joint angle of the elbow and shoulder independent of grip width, indicating a poor mechanical region for vertical force production at these joint angles. Twelve male experienced powerlifters (age 27.7 ± 8.8 years, mass 91.9 ± 15.4 kg) were tested in one repetition maximum (1-RM) bench press with a narrow, medium and wide grip...
2016: Journal of Sports Sciences
Isabella Lima Arrais Ribeiro, Fernanda Campos, Rafael Santiago Sousa, Maria Luiza Lima Alves, Dalton Matos Rodrigues, Rodrigo Othavio Assuncão Souza, Marco Antonio Bottino
CONTEXT: Discrepancies at the abutment/crown interface can affect the longevity of zirconia restorations. AIM: The aim was to evaluate the marginal and internal discrepancies (MD and ID) of zirconia copings manufactured by two milling systems with different finish lines. MATERIALS AND METHODS: Three aluminum-master-dies (h = 5.5 mm; Ψ =7.5 mm; 6΀), with different finish lines (large chamfer [LC]; tilted chamfer [TC]; rounded shoulder [RS]) were fabricated...
January 2015: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
Rafael Soncin, Juliana Pennone, Thiago M Guimarães, Bruno Mezêncio, Alberto C Amadio, Júlio C Serrão
The purpose of this study was to investigate the effects of exercise order on electromyographic activity in different muscle groups among youth men with experience in strength training. Three sets of 8 RM were performed of each exercise in two sequences order: (a) sequence A: bench press, chest fly, shoulder press, shoulder abduction, close grip bench press and lying triceps extension; (b) sequence B: the opposite order. The electromyographic activity was analyzed in the sternocostal head of the pectoralis major, anterior deltoid, and long head triceps brachii, normalized for maximal voluntary isometric contraction...
December 9, 2014: Journal of Human Kinetics
Regis Radaelli, Steven J Fleck, Thalita Leite, Richard D Leite, Ronei S Pinto, Liliam Fernandes, Roberto Simão
The study's purpose was to compare the response of performing 1, 3, and 5 sets on measures of performance and muscle hypertrophy. Forty-eight men, with no weight training experience, were randomly assigned to one of the 3 training groups, 1 SET, 3 SETS, 5 SETS, or control group. All training groups performed 3 resistance training sessions per week for 6 months. The 5 repetition maximum (RM) for all training groups increased in the bench press (BP), front lat pull down (LPD), shoulder press (SP), and leg press (LP) (p ≤ 0...
May 2015: Journal of Strength and Conditioning Research
Elisângela Valevein Rodrigues, Anna Raquel Silveira Gomes, Aldre Izabel Pchevozniki Tanhoffer, Neiva Leite
Work related musculoskeletal disorders are a major concern for public health and pain is the most important symptom. The aim of this study was to verify the effectiveness of workplace exercises to control musculoskeletal pain and its frequency, intensity, duration and type of exercises used. The search was conducted systematically in Medline, Pubmed, Embase, Bireme, Web of Knowledge and Pedro databases. The keywords "workplace", "exercise" and "musculoskeletal disorders" were used combined. Randomized control trials which performed worksite exercises were selected and the studies were assessed by their methodological soundness...
2014: Acta Ortopedica Brasileira
Dong-Il Seo, Eonho Kim, Christopher A Fahs, Lindy Rossow, Kaelin Young, Steven L Ferguson, Robert Thiebaud, Vanessa D Sherk, Jeremy P Loenneke, Daeyeol Kim, Man-Ki Lee, Kyung-Hoon Choi, Debra A Bemben, Michael G Bemben, Wi-Young So
The purpose of the present study was to examine the influence of muscle group location and gender on the reliability of assessing the one-repetition maximum (1RM) test. Thirty healthy males (n = 15) and females (n = 15) who experienced at least 3 months of continuous resistance training during the last 2 years aged 18-35 years volunteered to participate in the study. The 1RM for the biceps curl, lat pull down, bench press, leg curl, hip flexion, triceps extension, shoulder press, low row, leg extension, hip extension, leg press and squat were measured twice by a trained professional using a standard published protocol...
2012: Journal of Sports Science & Medicine
Humberto Miranda, Tiago Figueiredo, Bernardo Rodrigues, Gabriel Andrade Paz, Roberto Simão
The purposes of this study were to compare the repetition performance and rating of perceived exertion (RPE) in different exercises order of three resistance training (RT) exercises: bench press (BP), shoulder press (SP), and triceps extension (TE). Twelve trained men participated in this study (26.75 ± 2.49 years; 177 ± 4.66 cm; 77.7 ± 6.20 kg; 12.61 ± 2.01% body fat; RT experience 3.58 ± 1.24 years). Data were collected in two phases: (1) 10 RM test for BP, SP, and TE and (2) performance of six RT sequences...
2013: Research in Sports Medicine
Jose Antonio, Victoria Ciccone
BACKGROUND: Chronic supplementation with creatine monohydrate has been shown to promote increases in total intramuscular creatine, phosphocreatine, skeletal muscle mass, lean body mass and muscle fiber size. Furthermore, there is robust evidence that muscular strength and power will also increase after supplementing with creatine. However, it is not known if the timing of creatine supplementation will affect the adaptive response to exercise. Thus, the purpose of this investigation was to determine the difference between pre versus post exercise supplementation of creatine on measures of body composition and strength...
2013: Journal of the International Society of Sports Nutrition
Todd Anthony Astorino, Brian J Martin, Lena Schachtsiek, Keau Wong
The primary aim of the study was to compare changes in blood pressure (BP) in normotensive and prehypertensive men completing resistance exercise following caffeine ingestion. Normotensive (n = 7) and hypertensive men (n = 7) ingested caffeine (6 mg x kg(-1)) or placebo 1 h preexercise, then completed four sets of bench press, leg press, lat pull-down, and shoulder press at 70%-80% one repetition maximum (1-RM). Heart rate (HR) and BP were measured preexercise, during exercise, and for 75 min postexercise. Caffeine increased (p < 0...
2013: Research in Sports Medicine
Atle H Saeterbakken, Marius S Fimland
Little is known about the effect of performing upper-body resistance exercises with dumbbells versus barbells and standing versus seated. Therefore, this study sought to compare electromyogram activity (EMG) and one-repetition maximum (1-RM) in barbell and dumbbell shoulder presses performed seated and standing. Fifteen healthy men volunteered for 1-RM and EMG testing with a load corresponding to 80% of the 1-RM. Electromyogram activity was measured in the anterior, medial, and posterior deltoids and biceps and triceps brachii...
July 2013: Journal of Strength and Conditioning Research
Semra Karaman, Seden Kocabaş, Sedat Ergun, Vicdan Fırat, Meltem Uyar, Fatih Şendağ
OBJECTIVES: Postoperative pain after laparoscopic surgery is less intense than after laparotomy and patients may benefit from an intraperitoneal injection of local anesthetic and opioids. We aimed to compare intraperitoneal 0.75% ropivacaine with 0.75% ropivacaine plus meperidine for postoperative analgesia in patients undergoing gynecologic laparoscopy. METHODS: At the end of gynecologic laparoscopy, in a double-blind, randomized manner, one of the following injections was given intraperitoneally...
2012: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
Markus D Jakobsen, Emil Sundstrup, Christoffer H Andersen, Mette K Zebis, Peter Mortensen, Lars L Andersen
Momentary fatigue is an important variable in resistance training periodization programs. Although several studies have examined neuromuscular activity during single repetitions of resistance training, information is lacking in regard to neuromuscular fatigue indices throughout a full resistance training bout. The purpose of this study was to evaluate muscle activity during a shoulder resistance training bout with 15 repetitions maximum (RM) loadings in novice individuals. Twelve healthy sedentary women (age = 27-58 years; weight = 54-85 kg; height = 160-178 cm) were recruited for this study...
September 2012: Journal of Strength and Conditioning Research
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