Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 33 for “"Elbow flexion"”.
-
Effects of isometric elbow flexion on electromyographic spike analysis
… in the sagittal plane, with the shoulder and elbow flexed to 90 degrees. The elbow rested on a support in a neutral position (mid pronation/mid supination) and placed within a wrist cuff, fastened below the styloid process. The wrist cuff was attached to a load cell (JR3 Inc., Woodland, CA) …
-
Training distribution and the acquisition of maximal isometric elbow flexion strength
… group (n=13) completed 15 maximal isometric elbow flexion strength trials in one session, while the distributed group (n=13) performed five such contractions on three successive days. After a two-week and three month rest interval, both groups returned to perfonn another five maximal …
-
Youth Pitching Kinematics: Associations with Body Overweight Parameters
… external rotation, shoulder abduction, and elbow flexion; 2) between FC and ball release: peak knee extension; and 3) at BR: shoulder abduction. Data from three separate collection sites examined pitching mechanics of 18 10- to 11-year-old pitchers, 11 14- to 16-year-old pitchers, and 104 …
-
Conectividade cerebral como característica para classificar tarefas motoras de mesmo segmento corporal: Interação humano-robô
… for the same segment of limb motor activity (flexion and extension), and for both imagination and observation. EEG signals from 12 right-handed healthy subjects were recorded performing elbow flexion and extension following a robotic arm as if it were a mirror image of their own. The DTF and …
-
Estimation of distal arm joint angles from EMG and shoulder orientation for transhumeral prostheses
… (EMG), taken separately, are predictors of both elbow flexion/extension and forearm pronation/supination during arm movements. In this thesis, we quantify the extent to which shoulder orientation, upper-arm EMG, and forearm EMG are predictors of distal arm joint angles for subjects without …
-
Design of a spring-integrated crutch for ascending stairs
… with forearm crutches, which do not impede elbow movement, but doing so is fatiguing and requires upper body strength. In 2011, MIT Media Lab researcher Madalyn Berns demonstrated that incorporating into the crutch an elastic element that spans the elbow joint could reduce the metabolic cost …
-
Acute Cardiovascular Response and Perception of Effort Between the Super Slow and Gold Standard Resistance Training Protocols
… slow resistance training protocol (GS). The elbow flexion and knee extension exercise were incorporated for this investigation. The subjects completed three separate testing sessions. Session 1 consisted of obtaining a 1 repetition maximum on the above mentioned exercises and a …
-
The role of feedback and age-related differences in force production accuracy, variability, and shape across oral and manual effectors
… Participants produced isometric force via elbow flexion to match a Gaussian template waveform with a peak force of 90 N and a time to peak force at 200 ms. Each participant completed 90 trials. Force production accuracy and shape was indexed for each trial. Force production accuracy was …
-
Kinematic analysis of compensation movements of upper limb amputees and able-bodied individuals during grasping movements
… analysis of the shoulder abduction-adduction, elbow flexion-extension and upper and lower trunk lateral bending. Nine able-bodied individuals and two transradial prostheses users participated in the study. Both prosthesis users had over two years of experience with the device and use it daily. …
-
Rib stress fractures in elite rowers
… co-contraction of thoracic muscles and increased elbow-flexion strength relative to knee-extension strength. Testosterone levels and BMD were measured in male lightweight rowers. Correlations between BMD and testosterone levels as well as years of training were found. The force production during …
-
Key Kinetic and Kinematic Components for Optimal Basketball Shooting Performance
… knee bend, proper follow-through, optimal elbow flexion, greater shooting arc, etc. Although they may be greatly effective, there is a lack of scientific literature addressing the differences in kinetic and kinematic characteristics between proficient and non-proficient shooters as well …
-
A Virtual Muscle Model of the Arm for EMG-Driven Control of Prostheses
… a four degree-of-freedom arm model (allowing elbow flexion, index flexion, 3rd to 5th digit flexion, and thumb abduction) was optimized for a subject with unilateral transhumeral amputation who possesses two AMI constructs. The resulting model outputs kinematics that closely match measured …
-
Development and Validation of a Computational Musculoskeletal Model of the Elbow Joint
… reconstructive procedures. While injury to the elbow joint can be significantly debilitating, questions still remain regarding its normal, pathologic, and repaired behavior. Biomechanical models of the elbow have been developed, but all have assumed fixed joint axes of rotation and ignored the …
-
Relative contribution of the internal rotators of the shoulder to speed of the fastball in college baseball pitchers
… rotation at 90° /sec. (X<sub>1</sub>) and elbow flexion at 240°/sec. (X<sub>2</sub>); ie, Speed=62.861+245X<sub>1</sub> +.39X<sub>2</sub>. The standardized beta weights for this equation indicate that the greater contributor to ball speed was Sho/Int/Rot-90 when the effects of Elb/Fl-240 …
-
Effect of rotator cuff muscle fatigue on shoulder muscle activation and posture during driving
… shoulder elevation, shoulder rotation, and elbow flexion) were examined for four steering patterns (straight, left, right, and complex) and compared between before and after fatigue. Along with kinematic analyses, EMG signals of four muscles (deltoid, supraspinatus, infraspinatus, and …
-
Triceps-off trans-fascial sleeve approach, functional outcomes and surgical technique in Distal Humerus fractures
… to the uninjured side; 66% at 45 degrees of flexion, 70% at 90 degrees and 86% at 120 degrees of elbow flexion. The mean DASH score was 15.7 ± 8.9 indicating mild residual impairment (range 5 to 31). The DASH score had a strong correlation (r = 0.71; p<0.05) with the follow-up period. All …
-
The effect of velocity of contraction on the repeated bout effect
… (180°/s) or slow (30°/s) maximal isokinetic ECC elbow flexion. Three weeks later 16 participants completed a repeated bout of ECC exercise at the same velocity as the initial bout (SAME)(FAST-FAST[n=8] and SLOW-SLOW[n=8]), while 15 participants completed a bout at the corresponding different …
-
Do Individual Responses to Resistance Exercise Exist to an Extent That Can be Detected Beyond That of Measurement Error/Random Biological Variability?
… Both exercise groups performed 18 sessions of elbow flexion exercise over 6 weeks. Both 1RM training (2.3kg) and traditional training (2.4kg) increased 1RM strength to a similar extent. Only the 1RM group increased untrained arm 1RM strength (1.5kg) which was greater than both other groups …
-
The Acute and Chronic Muscle Adaptations Following six weeks of "No Load" and Traditional High Load Resistance Training
… completed six weeks of thrice weekly unilateral elbow flexion exercise. Using a within subject design, each arm was designated to either the No Load or the High Load (70% one repetition maximum) condition. The No Load condition had the participants repeatedly contract through the full range of …
-
The Study of Compensatory Motions While Using a Transradial Prosthesis
… This work analyzed the movements of shoulder, elbow and torso during four tasks: drinking from a cup, opening a door, lifting a box and turning a steering wheel. The main purpose of this study was to determine if using a basic transradial prosthesis that lacks motion of the forearm and wrist …
Page 1 of 2