Answered

Select the statement that best defines elbow
"extension"?
Changing the angle of the elbow by contracting
the bicep brachii and relaxing the triceps
brachii
Decreasing the angle between the humerus and
ulna
Increasing the angle between the brachial and
antebrachial regions of the arm
Shortening the distance between the brachial
and antebrachial regions of the arm



Answer :

GinnyAnswer

Final answer:

Elbow extension involves increasing the angle between the humerus and ulna using the triceps brachii muscle as an extensor.


Explanation:

Extension at the elbow joint involves increasing the angle between the humerus and ulna. This action is carried out by the triceps brachii muscle, acting as an extensor to straighten the arm.


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