TY - JOUR A1 - Kellmann, Michael T1 - Underrecovery and overtraining : different concepts - similar impact? Y1 - 2002 SN - 0-7360-3400-5 ER - TY - JOUR A1 - Steinacker, J. M. A1 - Lormes, W. A1 - Kellmann, Michael T1 - Training of junior rowers before World Championships: effects on performance, mood state and selected hormonal and metabolic responses Y1 - 2000 ER - TY - JOUR A1 - Kellmann, Michael A1 - Patrick, Tom A1 - Botterill, Cal A1 - Wilson, Clare T1 - The recovery-cue and its use in applied settings : practical suggestions regarding assessment and monotoring of recovery Y1 - 2002 SN - 0-7360-3400-5 ER - TY - JOUR A1 - Puta, Christian A1 - Steidten, Thomas A1 - Baumbach, Philipp A1 - Woehrl, Toni A1 - May, Rico A1 - Kellmann, Michael A1 - Herbsleb, Marco A1 - Gabriel, Brunhild A1 - Weber, Stephanie A1 - Granacher, Urs A1 - Gabriel, Holger H. W. T1 - Standardized assessment of resistance training-Induced subjective symptoms and objective signs of immunological stress responses in young athletes JF - Frontiers in physiology N2 - From a health and performance-related perspective, it is crucial to evaluate subjective symptoms and objective signs of acute training-induced immunological responses in young athletes. The limited number of available studies focused on immunological adaptations following aerobic training. Hardly any studies have been conducted on resistance-training induced stress responses. Therefore, the aim of this observational study was to investigate subjective symptoms and objective signs of immunological stress responses following resistance training in young athletes. Fourteen (7 females and 7 males) track and field athletes with a mean age of 16.4 years and without any symptoms of upper or lower respiratory tract infections participated in this study. Over a period of 7 days, subjective symptoms using the Acute Recovery and Stress Scale (ARSS) and objective signs of immunological responses using capillary blood markers were taken each morning and after the last training session. Differences between morning and evening sessions and associations between subjective and objective parameters were analyzed using generalized estimating equations (GEE). In post hoc analyses, daily change-scores of the ARSS dimensions were compared between participants and revealed specific changes in objective capillary blood samples. In the GEE models, recovery (ARSS) was characterized by a significant decrease while stress (ARSS) showed a significant increase between morning and evening-training sessions. A concomitant increase in white blood cell count (WBC), granulocytes (GRAN) and percentage shares of granulocytes (GRAN%) was found between morning and evening sessions. Of note, percentage shares of lymphocytes (LYM%) showed a significant decrease. Furthermore, using multivariate regression analyses, we identified that recovery was significantly associated with LYM%, while stress was significantly associated with WBC and GRAN%. Post hoc analyses revealed significantly larger increases in participants' stress dimensions who showed increases in GRAN%. For recovery, significantly larger decreases were found in participants with decreases in LYM% during recovery. More specifically, daily change-scores of the recovery and stress dimensions of the ARSS were associated with specific changes in objective immunological markers (GRAN%, LYM%) between morning and evening-training sessions. Our results indicate that changes of subjective symptoms of recovery and stress dimensions using the ARSS were associated with specific changes in objectively measured immunological markers. KW - immune system KW - strength training KW - track and field KW - youth KW - Acute Recovery and Stress Scale (ARSS) Y1 - 2018 U6 - https://doi.org/10.3389/fphys.2018.00698 SN - 1664-042X VL - 9 PB - Frontiers Research Foundation CY - Lausanne ER - TY - JOUR A1 - Beckmann, Jürgen A1 - Kellmann, Michael T1 - Self-regulation and recovery : Approaching an understanding of the process of recovery from stress N2 - Stress has been studied extensively in psychology. Only recently, however, has research started to address the question of how individuals manage to recover from stress. Recovery from stress is analyzed as a process of self- regulation. Several individual difference variables which affect the efficiency of self-regulation have been integrated into a structured model of the recovery process. Such variables are action versus state orientation (a tendency to ruminate, e.g., about a past experience) and volitional components, such as self-determination, self-motivation, emotion control, rumination, and self-discipline. Some of these components are assumed to promote recovery from stress, whereas others are assumed to further the perseverance of stress. The model was supported by the empirical findings of three independent studies (Study 1, N = 58; Study 2, N = 22 1; Study 3, N = 105). Kuhl's Action Con trol Scale measured action versus state orientation. Volitional components were assessed with Kuhl and Fuhrmann's Volitional Components Questionnaire. The amounts of experienced stress and recovery from stress was assessed with Kellmann and Kallus's Recovery-Stress Questionnaire. As hypothesized in the model, the disposition towards action versus state orientation was a more distant determinant of the recovery from stress and perseverance of stress. The volitional components are more proximal determinants in the recovery process. Action orientation promotes recovery from stress via adequate volitional skills, e.g., self-determination, self-motivation, emotion control, whereas state orientation furthers a perseverance of stress through rumination and self-discipline Y1 - 2004 ER - TY - JOUR A1 - Kellmann, Michael A1 - Beckmann, Jürgen T1 - Research and intervention in sport psychology : new perspectives for an inherent conflict Y1 - 2003 ER - TY - JOUR A1 - Kellmann, Michael T1 - Psychological assessment of underrecovery Y1 - 2002 SN - 0-7360-3400-5 ER - TY - JOUR A1 - Beckmann, Jürgen A1 - Kellmann, Michael T1 - Procedures and principles of sportpsychological assessment Y1 - 2003 ER - TY - JOUR A1 - Kellmann, Michael A1 - Kallus, K. W. T1 - Mood, recovery-stress state, and regeneration Y1 - 1999 ER - TY - JOUR A1 - Kellmann, Michael A1 - Martin, S. B. T1 - German athletes' attitudes toward seeking sport psychology consultation Y1 - 1999 ER - TY - JOUR A1 - Kellmann, Michael T1 - Current status and directions of recovery research Y1 - 2002 SN - 0-7360-3400-5 ER - TY - JOUR A1 - Kellmann, Michael T1 - Clinical findings and parameter of stress and regeneration in powers before world championships Y1 - 1999 ER - TY - JOUR A1 - Kellmann, Michael A1 - Günther, K.-D. T1 - Changes in stress and recovery in elite rowers during preparation for the Olympic Games Y1 - 2000 ER - TY - JOUR A1 - Kellmann, Michael A1 - Kallus, K. W. T1 - Burnout in Athletes and Coaches Y1 - 2000 ER -