Quadriceps muscle electromyography activity during physical activities and resistance exercise modes in younger and older adults.

ABSTRACT:

Background

Understanding the root cause of the age-related impairment in muscle adaptive remodelling with resistance exercise training (RET) and developing pragmatic and accessible resistance exercise for older adults, are essential research directives.

Methods

We sought to determine whether indices of quadriceps muscle EMG activity in response to different modes of RET and activities of daily living (ADL), differed between 15 healthy younger (25 ± 3 years) and 15 older (70 ± 5 years) adults. On four separate days, participants completed a maximal voluntary contraction (MVC) of the knee extensors, followed by a 15 m walking task, stair climbing task (i.e. ADL) and lower-limb RET through body-weight squats (BW-RET) and seated knee extensions on a machine (MN-RET) or via elast

SUBMITTER: Marshall RN 

PROVIDER: S-EPMC7264709 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature