Question

What is muscle contraction called when there is sufficient oxygen available to produce ATP?

a) Anaerobic
b) Aerobic
c) Isotonic
d) Isometric

Answer 1

Muscle contraction is called isotonic when muscle length changes but muscle tension remains the same.

Step-by-step explanation:

A muscle contraction is isometric if muscle tension changes, but muscle length remains the same. It is isotonic if muscle length changes, but muscle tension remains the same.