Online College Courses for Credit

6 Tutorials that teach Muscle Contractions: Macro View/Contracciones musculares a vista macro
See All
Take your pick:
Muscle Contractions: Macro View/Contracciones musculares a vista macro

Muscle Contractions: Macro View/Contracciones musculares a vista macro


This lesson will give an overview of how a specific muscle contracts to allow movement in the body.

See More
Fast, Free College Credit

Developing Effective Teams

Let's Ride
*No strings attached. This college course is 100% free and is worth 1 semester credit.

28 Sophia partners guarantee credit transfer.

286 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 26 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


En esta lección vamos a discutir cómo las contracciones musculares permiten el movimiento de nuestros esqueletos.

Terms to Know
Antagonistic contraction

When an opposing muscle on the opposite side of a joint contracts to create an opposing movement to its muscle counterpart (example flexion vs. extension).


The fixed, moveable end of a skeletal muscle.


An area where two or more bones come together.


The fixed, non-moveable end of a skeletal muscle

Reciprocal innervation

The nervous system controlling muscle groups that oppose and work against one another; allows for a variety of movements and protection of joints.

Synergistic contraction

When a group of muscles work together to create the same movement; an example would be your bicep brachii and brachialis muscle contraction simultaneously to create flexion (bending) of your elbow.


A tough band of fibrous connective tissue that usually connects muscle to bone.