100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Exercise 2: Skeletal Muscle Physiology Activity 1: The Muscle Twitch and the Latent Period $3.23
Add to cart

Other

Exercise 2: Skeletal Muscle Physiology Activity 1: The Muscle Twitch and the Latent Period

 46 views  0 purchase
  • Course
  • Institution

PhysioEx Exercise 2 Activity 1 Exercise 2: Skeletal Muscle Physiology Activity 1: The Muscle Twitch and the Latent Period

Preview 2 out of 6  pages

  • June 5, 2021
  • 6
  • 2020/2021
  • Other
  • Unknown
avatar-seller
26-5-2021 PhysioEx Exercise 2 Activity 1

PhysioEx Lab Report
Exercise 2: Skeletal Muscle Physiology
Activity 1: The Muscle Twitch and the Latent Period
Name:
Date:
Session ID:


Pre-lab Quiz Results
You scored 100% by answering 5 out of 5 questions correctly. 1 Skeletal

muscles are connected to bones by

You correctly answered: tendons.

2 Skeletal muscles are composed of hundreds to thousands of individual cells called

You correctly answered: fibers.

3 The term motor unit refers to

You correctly answered: one motor neuron and all of the skeletal muscle fibers it innervates.

4 The motor neuron and muscle fiber intersect at what is called

You correctly answered: the neuromuscular junction.

5 A twitch is

You correctly answered: one contractile response to a single action potential.


Experiment Results
Predict Question
1 Predict Question: Will changes to the stimulus voltage alter the duration of the latent period?

Your answer: No, changing the stimulus voltage will not change the latent period duration.

Stop & Think Questions
1 What is the period of time that elapses between the generation of an action potential and the start of
muscle tension development in a muscle fiber?

You correctly answered: The latent period.

2 What occurs during the latent period of these isometric contractions?

You did not answer this question.

Correct answer: All the steps of excitation-contraction coupling occur.


https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex2/act1/ 1/6

, 26-5-2021 PhysioEx Exercise 2 Activity 1

Experiment Data
Voltage (v) Length (mm) Active Force Passive Force Total Force Latent
Period
(msec)
0 75 0 0 0 ----

3 75 1.04 0 1.04 ----

4 75 1.32 0 1.32 ----

4 75 1.32 0 1.32 2.80

6 75 1.65 0 1.65 2.80

8 75 1.81 0 1.81 2.80

10 75 1.82 0 1.82 2.80




https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex2/act1/ 2/6

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller MaximGh. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $3.23. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

56326 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$3.23
  • (0)
Add to cart
Added