Jesús Vera1,2, Raimundo Jiménez1, Beatríz Redondo1, David Cárdenas2,3, Amador García-Ramos3,4. 1. a Department of Optics, Faculty of Sciences , University of Granada , Granada , Spain. 2. b Departamento de Didáctica , Mixed University Sport and Health Institute (iMUDS), University of Granada , Granada , Spain. 3. c Department of Physical Education and Sport, Faculty of Sport Sciences , University of Granada , Granada , Spain. 4. d Departamento de Ciencias del Deporte y Acondicionamiento Físico , Facultad de Educación, Universidad Católica de la Santísima Concepción , Concepción , Chile.
Abstract
Purpose/Aim: The execution of strength exercises has demonstrated to increase the intraocular pressure (IOP) levels, and it may have a negative impact on the ocular health. We aimed to explore the influence of fitness level on the acute IOP response to strength exercises performed under different loading conditions, as well as to test whether the IOP responses differ between the bench press and jump squat when performed against the same relative loads. MATERIALS AND METHODS: Forty military personnel males were divided in two subgroups (20 high-fit and 20 low-fit) based on their relative to body mass one-repetition maximum (1-RM). Participants performed an incremental loading test in the bench press and jump squat exercises, and IOP was assessed before and after each repetition by rebound tonometry. RESULTS: IOP increased immediately after executing both exercises (p < 0.01 in both cases), being the magnitude of the IOP increment positively and linearly associated with the increment of the load in both groups (i.e., high-fit and low-fit) and in both exercises (R2 range: 0.81-1.00). Higher fitness level attenuated the IOP rise produced by both exercises (p < 0.01 in both cases). The bench press induced higher IOP increments than the jump squat for both groups at relative loads of ~50%1-RM and ~60%1-RM (p < 0.01 in all cases). CONCLUSIONS: These data indicate that IOP increases as a consequence of performing strength exercises, being the increment accentuated with the increase of the load and in the bench press compared to the jump squat exercise. Of special importance would be that the IOP responses were significantly reduced in high-fit individuals. These findings should be addressed in glaucoma patients.
Purpose/Aim: The execution of strength exercises has demonstrated to increase the intraocular pressure (IOP) levels, and it may have a negative impact on the ocular health. We aimed to explore the influence of fitness level on the acute IOP response to strength exercises performed under different loading conditions, as well as to test whether the IOP responses differ between the bench press and jump squat when performed against the same relative loads. MATERIALS AND METHODS: Forty military personnel males were divided in two subgroups (20 high-fit and 20 low-fit) based on their relative to body mass one-repetition maximum (1-RM). Participants performed an incremental loading test in the bench press and jump squat exercises, and IOP was assessed before and after each repetition by rebound tonometry. RESULTS: IOP increased immediately after executing both exercises (p < 0.01 in both cases), being the magnitude of the IOP increment positively and linearly associated with the increment of the load in both groups (i.e., high-fit and low-fit) and in both exercises (R2 range: 0.81-1.00). Higher fitness level attenuated the IOP rise produced by both exercises (p < 0.01 in both cases). The bench press induced higher IOP increments than the jump squat for both groups at relative loads of ~50%1-RM and ~60%1-RM (p < 0.01 in all cases). CONCLUSIONS: These data indicate that IOP increases as a consequence of performing strength exercises, being the increment accentuated with the increase of the load and in the bench press compared to the jump squat exercise. Of special importance would be that the IOP responses were significantly reduced in high-fit individuals. These findings should be addressed in glaucomapatients.
Authors: Michał Krzysztofik; Dorota Zygadło; Paulina Trybek; Jakub Jarosz; Adam Zając; Nicholas Rolnick; Michał Wilk Journal: J Clin Med Date: 2022-08-19 Impact factor: 4.964
Authors: Ehsan Vaghefi; Catherine Shon; Stacey Reading; Taylor Sutherland; Victor Borges; Geraint Phillips; Rachael L Niederer; Helen Danesh-Meyer Journal: BMJ Open Ophthalmol Date: 2021-05-13