As you are lifting a box, someone places extra weight on top of it. For your muscle to continue contracting and lifting the box, the muscle must ________
A) shift from isometric to isotonic contraction
B) reduce its wave summation
C) shift from slow-twitch to fast-twitch mode
D) lower its threshold
E) recruit more muscle fibers
E
Anatomy & Physiology
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Posture is maintained mainly by ________ fibers.
A. type II B. slow oxidative (SO) C. fast-twitch D. white E. fast glycolytic (FG)
Anatomy & Physiology
What is the highest arterial blood pressure attained during ventricular contraction called?
Anatomy & Physiology
Spongy bone makes up less than half of total bone mass, and is located internal to compact bone
Indicate whether this statement is true or false.
Anatomy & Physiology
The spinal cord is encased in and protected by the:
A. spinal canal. B. vertebral body. C. vertebral arch. D. intervertebral disc.
Anatomy & Physiology