A plank position is part of a yoga/Pilates workout. The person supports the body on the
floor in a prone position with the arms and feet supporting the body. It is a little like the
"up" position of a push-up, held for 30 to 60 seconds.
Contraction of the abdominal
muscles in a plank is most likely
A) isometric. B) isotonic. C) eccentric. D) concentric.
A
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Match the following:
A) Calcium ions B) Creatine phosphate C) Acetylcholine D) Sodium-potassium ions E) Acetylcholinesterase 1) Serves as the actual "trigger" for muscle contraction by removing the inhibition of the troponin molecules. 2) A neurotransmitter released at motor end plates by the axon terminals. 3) Diffusion across the cell membrane results in depolarization. 4) Activate synaptic vesicles in axon terminals. 5) Used to convert ADP to ATP by transfer of a high-energy phosphate group. A reserve high-energy compound 6) Destroys ACh.
The primary mixing and propulsive motility of the small intestine is ____________________
Fill in the blank(s) with correct word
Both males and females produce testosterone and estrogen
Indicate whether the statement is true or false
Non-descriptive terms for structures that are coined from the names of people are called ________.
Fill in the blank(s) with the appropriate word(s).