Parker wants to improve their muscle endurance.

parker currently lifts every other day for each muscle group, with heavy weights at 60-90% of their 1 rm while completing 2 sets of 15 repetitions.

what part of the fitt principle is parker not correctly following to improve their muscle endurance?

1. frequency
2.time
3.parker is following the fitt principle for endurance
4. intensity

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord