Search results for "Push-up"
showing 4 items of 14 documents
Muscle activation during push-ups performed under stable and unstable conditions
2015
Background/Objective: The purpose of this study was to analyze muscle activation when performing push-ups under different stability conditions. Methods: Physically fit young male university students (N = 30) performed five push-ups under stable conditions (on the floor) and using four unstable devices (wobble board, stability disc, fitness dome, and the TRX Suspension Trainer). The push-up speed was controlled using a metronome, and the testing order was randomized. The average amplitudes of the electromyographic (EMG) root mean square of the anterior deltoid (DELT), serratus anterior (SERRA), lumbar multifidus (LUMB), and rectus femoris (FEM) were recorded. The electromyographic signals we…
Ketogenic diet does not affect strength performance in elite artistic gymnasts
2012
Abstract Background Despite the increasing use of very low carbohydrate ketogenic diets (VLCKD) in weight control and management of the metabolic syndrome there is a paucity of research about effects of VLCKD on sport performance. Ketogenic diets may be useful in sports that include weight class divisions and the aim of our study was to investigate the influence of VLCKD on explosive strength performance. Methods 8 athletes, elite artistic gymnasts (age 20.9 ± 5.5 yrs) were recruited. We analyzed body composition and various performance aspects (hanging straight leg raise, ground push up, parallel bar dips, pull up, squat jump, countermovement jump, 30 sec continuous jumps) before and after…
Shoulder muscle activation during stable and suspended push-ups at different heights in healthy subjects.
2015
Abstract Objectives To analyze shoulder muscle activation when performing push-ups under different stability conditions and heights. Study design Comparative study by repeated measures. Setting Valencia University laboratory. Participants 29 healthy males participated. Main outcome measures Subjects performed 3 push-ups each with their hands at 2 different heights (10 vs. 65 cm) under stable conditions and using a suspension device. Push-up speed was controlled and the testing order was randomized. The average amplitudes of the electromyographic root mean square of the long head of the triceps brachii (TRICEP), upper trapezius (TRAPS), anterior deltoid (DELT) and clavicular pectoralis (PEC)…
Tuvākā skaidra redzes punkta noteikšanu ietekmējošie faktori
2021
Darbs ir uzrakstīts angļu valodā uz 25 lapaspusēm. Tajā ir 20 attēli, 2 tabulas un 20 literatūras avoti. Darba mērķis ir novērtēt dažādu faktoru – acs zīlītes un stimula izmēra- ietekmi uz tuvākā skaidras redzes punkta novērtēšanu. Tuvākais skaidras redzes punkts tika noteikts ar “push-up” metodi. Mērījumi tika veikti ar stimulu izmēriem 20/20; 20/25 un 20/30 (Snellena frakcija). Acs zīlītes diametrs tika novērtēts, izmantojot šablonu. Rezultāti parādīja, ka, samazinoties stimula izmēram “push-up” metodē, zīlītes diametrs pieaug un tuvākais skaidras redzes punkts attālinās.