Muscle Action Origin & Insertion

Front

What muscle is shown here?

Back

the rectus abdominis

Front

Where is the TRAPEZIUS located?

Back

Muscles of the upper back and neck

Front

In the picture, the triceps muscles are the

Back

antagonist

Front

What muscle allows you to wink or squint?

Back

orbicularis oculi

Front

The location on the bone that moves when a muscle contracts is called a(n)

Back

insertion

Front

When muscles contract, it pulls_____

Back

the insertion toward the origin

Front

Which muscle elevates, retracts, and rotates the scapula? We use it to shrug our shoulders.

Back

Trapezius

Front

Where does the deltoid originate from?

Back

end of clavicle and scapula

Front

How do pairs of skeletal muscles work together?

Back

while one contracts, the other returns to original length

Front

The specific bone location that does not move is attached to the muscle location known as the

Back

origin