Muscular Responses - B Treppe rapidly occurring twitches...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Muscular Responses 1. All or none A. Must reach threshold to stimulate muscle B. Recruitment- adding of stimuli together to cause a response 2. Types of contractions A. Twitch- rapid response, last on 1/10th of a second 1) latent period- time delay believed time required for Ca+ to be released, myosin to be activated and cross bridge to occur 2) Period of contraction- upward movement on my gram 3) Period of relaxation- downward movement after peak
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: B. Treppe- rapidly occurring twitches following each other (possible m. warm up for contraction) 1. primary motor area- in front of central sulcus 2. premotor area- receives impulses from primary motor area, cerebellum, basal ganglion- serves skeletal m. 3. visual motor area- called frontal eye field area, eye scanning 4. Motor speech area- called Broca’s area- speech m. coordinated speech...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online