Medicine and Health Sciences Commons^™

Chronic Training Load And Dorsiflexion Range Of Motion Throughout A Season In Professional American Soccer, Tristan L. Young

Electronic Theses and Dissertations

Soccer has an incredibly complex movement profile. Players experience various types of strains on their body from the requirement to land in awkward positions while maintaining the ability to quickly accelerate and decelerate. Dorsiflexion range of motion (DFROM) is of concern due to the movement profile and ball control that requires constant eccentric and concentric actions at the talocrural joint. With an American soccer season spanning across nine months these demands can contribute to overuse, which has been linked to restricted range of motion. Restricted DFROM and asymmetries have been identified as injury predictors, but their relationship to performance has …

The Effect Of Training Status On Adaptations To 11 Weeks Of Block Periodization Resistance Training, Alexander Wetmore

Electronic Theses and Dissertations

The primary purpose of this dissertation was to investigate the effect of training status on adaptations to resistance training. A secondary purpose of this dissertation was to investigate the relationship between subjective and objective forms of monitoring resistance training (RT). The benefits of RT are well understood but training status may be a major influence on training outcomes. Fifteen males of various training status were recruited for this study. Subjects completed 11 weeks of block periodization (BP) training. Subjects were tested for absolute strength (ABS) and relative strength (REL) in the barbell back squat, 0kg and 20kg static jumps (SJ) …

The Quantification Of Training Load In Professional American Soccer Players, Drew S. Dejohn

Electronic Theses and Dissertations

Training load (TL) has become a common tool to measure the exertion of athletes over the course of a session or season. However, there is still limited understanding of the load placement throughout training weeks within American professional soccer. The purpose of this study was to quantify potential differences in the external [duration, total distance (D_T), explosive distance (D_E), sprint distance (D_S), maximum speed (Speed_Max) and number of sprints (#S)] and internal [session rating of perceived exertion load (S-RPE Load), average heart rate (HR_Avg), peak heart rate (HR_Peak), …

Changes In Psychological, Morphological, And Performance Characteristics In Preparation For A National Weightlifting Competition, Donald Marsh

Electronic Theses and Dissertations

The primary aim of this study was to examine the time course of change in muscle morphology and vertical jump performance in weightlifters preparing for a national competition. The secondary aim of this study is to examine how perceived recovery and stress state corresponds with alterations in training load leading up to competition. Eleven Olympic Training Site weightlifters completed a 4-week peaking phase for a national competition. Body mass, stress and recovery psychometric measures, and unloaded/loaded (20kg) squat jump height (SJH) were measured weekly and at the competition site. Vastus lateralis cross-sectional area (CSA), muscle thickness (MT) and pennation angle …

Phase Specific Changes In Rate Of Force Development And Muscle Morphology Throughout A Block Periodized Training Cycle In Weightlifters, Dylan Guidetti Suarez

Electronic Theses and Dissertations

The purpose of this study was to investigate the kinetic and morphological adaptations that occur during distinct phases of a block periodized training cycle in weightlifters. Monitoring data from nine experienced collegiate weightlifters was examined retrospectively. Isometric mid-thigh pull and ultrasonography results from pre and post three specific training phases within a macrocycle leading up to a competition were compared. Changes in isometric rate of force development and vastus lateralis cross-sectional area reflected the expected adaptations of each training phase.

Preparing For A National Weightlifting Championship: A Case Series, Spencer K. Travis

Electronic Theses and Dissertations

The purpose of this thesis was to observe psychological, physiological, and performance changes to determine when two high-level weightlifters were peaked for a major competition. We addressed this purpose by conducting a two-part case study series with one USA international level female and one USA national level male weightlifter. Both athletes were considered to be peaked on competition day. The results support our hypothesis that jumping performance would be peaked on competition day corresponding with an increased recovery and decreased stress state. However, contrary to our hypothesis, each athlete exhibited small decreases in muscle size leading into the competition relative …

The Effect Of Periodized Strength Training And Periodized Concurrent Training On Running Performance, Nicholas Fiolo

Electronic Theses and Dissertations

The objective of this dissertation was to evaluate the changes in preparedness over the course of training for a marathon in two well-trained runners. The athletes completed periodized strength training or a periodized concurrent training. This dissertation consisted of two separate investigations:

Study 1 – The purpose of this study was to monitor changes in force production ability and running performance in one sub-elite marathon runner before, during, and after undertaking a short-term block periodized strength training program. The athlete ceased strength training during the off-seasons and resumed testing after 10. The athlete experienced likely true, meaningful changes in force …