Effect of the Fitness Level on Aerobic Capacity of Shoulder Girdle Muscles and Precision of Complex Coordination Movements under Loads of Varying Power

2021 ◽  
Vol 47 (7) ◽  
pp. 779-784
Author(s):  
E. A. Orlova ◽  
O. L. Vinogradova ◽  
D. V. Popov ◽  
A. S. Borovik
Keyword(s):  
Aerobic Capacity ◽  
Shoulder Girdle ◽  
Fitness Level ◽  
Shoulder Girdle Muscles ◽  
Complex Coordination

Dystrophinopathies and Limb-Girdle Muscular Dystrophies

2017 ◽  
Vol 48 (04) ◽  
pp. 262-272 ◽  
Author(s):  
Anna Sarkozy ◽  
Mariacristina Scoto ◽  
Francesco Muntoni ◽  
Joana Domingos
Keyword(s):  
Clinical Trials ◽  
Treatment Options ◽  
Shoulder Girdle ◽  
Muscle Disease ◽  
Standards Of Care ◽  
Muscular Dystrophies ◽  
New Treatment ◽  
Shoulder Girdle Muscles ◽  
Independent Ambulation ◽  
Duchenne's Muscular Dystrophy

AbstractMuscular dystrophies are a heterogeneous group of inherited diseases. The natural history of these disorders along with their management have changed mainly due to a better understanding of their pathophysiology, the evolution of standards of care, and new treatment options. Dystrophinopathies include both Duchenne's and Becker's muscular dystrophies, but in reality they are a spectrum of muscle diseases caused by mutations in the gene that encodes the protein dystrophin. Duchenne's muscular dystrophy is the most common form of inherited muscle disease of childhood. The current standards of care considerably prolong independent ambulation and survival. Several therapeutic options either aiming at substituting/correcting the primary protein defect or limiting the progression of the dystrophic process are currently being explored in clinical trials.Limb-girdle muscular dystrophies (LGMDs) are rare and heterogeneous conditions, characterized by weakness and wasting of the pelvic and shoulder girdle muscles. Originally classified into dominant and recessive, > 30 genetic forms of LGMDs are currently recognized. Further understanding of the pathogenic mechanisms of LGMD will help identifying novel therapeutic approaches that can be tested in clinical trials.

scholarly journals Electromyographic Evaluation of the Shoulder Muscle after a Fatiguing Isokinetic Protocol in Recreational Overhead Athletes

2021 ◽  
Vol 18 (5) ◽  
pp. 2516
Author(s):  
Sebastian Klich ◽  
Adam Kawczyński ◽  
Bogdan Pietraszewski ◽  
Matteo Zago ◽  
Aiguo Chen ◽  
...  
Keyword(s):  
External Rotation ◽  
Shoulder Girdle ◽  
Median Frequency ◽  
Shoulder Injury ◽  
Overhead Athletes ◽  
Upper Trapezius ◽  
Main Effect ◽  
Shoulder Girdle Muscles ◽  
Exercise Induced ◽  
The Right

The goal of our study was to examine the muscle activity of the shoulder girdle after isokinetic fatigue, which may simulate muscle activities commonly occurring during specific sport-related activities in recreational overhead asymptomatic athletes. We hypothesized that exercise-induced fatigue, reported after isokinetic protocols, may cause a decrease in the median frequency (MF) of the upper trapezius (UT), infraspinatus (IS), and deltoid muscles. Twenty-four male overhead volleyball (n = 8), handball (n = 8), and tennis (n = 8) athletes participated in this study. All subjects were without shoulder injury history. The surface electromyography (SEMG) was collected on the right (dominant) side of the shoulder girdle muscles in the following order: UT, IS and anterior (DA), and posterior deltoideus (DP). The fatigue protocol consisted of three sets of 32 maximum isokinetic concentric contractions while performing shoulder internal and external rotation at an isokinetic speed of 120 o/s. The resultant difference in median frequency (ΔMF) values consistently dropped after the fatiguing tasks across all recorded muscles, in terms of the initial MF (MFINI = 65.1 ± 1.1 Hz) and final MF (MFFIN = 57.9 ± 0.9 Hz), and the main effect of time was significant (F(1,22) = 43.15, p < 0.001). MF values decreased mostly for IS (ΔMFIS = −9.9 ± 1.6 Hz) and DP (ΔMFPD = −9.5 ± 1.9 Hz) muscles, while DA and UT showed smaller changes (ΔMFDA = −6.9 ± 1.5 Hz) and (ΔMFUT = −3.2 ± 1.3 Hz). The results of our study show a meaningful contribution in determining increased fatigue of the shoulder girdle muscles during repeated isokinetic internal-external rotation protocols. We have also demonstrated a significant decrease in MF in all examined muscles, especially IS and DA.

FEATURES OF THE DEVELOPMENT OF THE MAIN MUSCLES SHOULDER GIRDLE OF THE AXIAL DEPARTMENT YOUNG SHEEP OF THE QIGAI BREED

2020 ◽  
pp. 56-58
Author(s):  
V.I. KOSILOV ◽  
Keyword(s):  
Growth And Development ◽  
Physiological State ◽  
Shoulder Girdle ◽  
Axial Section ◽  
Shoulder Girdle Muscles

The article presents the results of studying the growth and development of the shoulder girdle muscles of the axial section of young sheep of the qigai breed, depending on the gender and physiological state.

scholarly journals Factors Differentiating the Level of Functional Fitness in Polish Seniors

2020 ◽  
Vol 17 (5) ◽  
pp. 1699
Author(s):  
Danuta Umiastowska ◽  
Joanna Kupczyk
Keyword(s):  
Physical Activity ◽  
Older Adults ◽  
Body Mass Index ◽  
Elderly Person ◽  
Shoulder Girdle ◽  
Functional Fitness ◽  
Self Sufficiency ◽  
Independent Life ◽  
Complex Coordination ◽  
Inactive Group

In this study, functional fitness is defined as the level of independence and self-sufficiency of an elderly person, which facilitates leading an independent life, without the need for assistance from other people. A decrease in functional fitness among older adults is influenced by a variety of factors. In addition to changes occurring in the human body in accordance with the laws of ontogenetic development, they can also be analyzed in terms of somatic parameters and the age of the subjects. The aim of this research was to find the factors differentiating the level of functional fitness of older adults. It involved 509 people divided into a group of people involved in regular physical activity and an inactive group. The Fullerton Functional Fitness Test was used to measure the level of physical fitness, and anthropometric measurements (body weight and height) were also performed. The level of functional fitness of Polish seniors was compared with the American standards established by R. E. Rikli and C. J. Jones. The results of our research confirm a higher level of functional fitness in active older adults, both women and men. In this group, BMI—(Body Mass Index is a measure of body fat based on height and weight) showed a greater correlation with shoulder girdle and back muscles strength, complex coordination, balance, agility, and endurance in women than in men. Finally, the surveyed Polish seniors exhibited a higher level of functional fitness than their American peers.

Fitness Level and Gross Motor Performance of Children With Attention-Deficit Hyperactivity Disorder

2010 ◽  
Vol 27 (4) ◽  
pp. 337-351 ◽  
Author(s):  
Claudia Verret ◽  
Phillip Gardiner ◽  
Louise Béliveau
Keyword(s):  
Aerobic Capacity ◽  
Motor Performance ◽  
Control Group ◽  
Muscular Endurance ◽  
Treadmill Test ◽  
Gross Motor ◽  
Children With Adhd ◽  
Fitness Level ◽  
Hyperactivity Disorder ◽  
Gross Motor Performance

The purpose of this study was to assess fitness and gross motor performance of children with ADHD, including users and nonusers of methylphenidate medication. Seventy boys took part in the study. Fitness level of children with ADHD using medication or not, including body composition, flexibility, and muscular endurance, was similar to that of a control group. The only difference was observed for body mass index, which was lower in children with ADHD using medication. Aerobic capacity was also similar when measured by a treadmill test. A lower performance was observed when aerobic capacity was estimated using a field shuttle test, however, suggesting that the methodology used is important. Finally, both groups of children with ADHD presented significantly lower scores for locomotion skills.

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