Plantar flexion at the ankle joint is accomplished by the tibialis anterior muscle.
Indicate whether the statement is true or false
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Question 2) The deltoid muscle is a common site for intramuscular injections.
Indicate whether the statement is true or false
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Question 3) The deepest muscle of the abdominal wall is the transversus abdominis.
Indicate whether the statement is true or false
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Question 4) The deltoid is a prime mover of arm adduction.
Indicate whether the statement is true or false
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Question 5) Abduction and adduction are antagonistic actions.
Indicate whether the statement is true or false
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Question 6) When a muscle fiber contracts, the I bands nearly disappear, the H zones disappear, and the A bands move closer together but do not change in length.
Indicate whether the statement is true or false
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Question 7) The effect of the neurotransmitter on the muscle cell membrane is to temporarily modify its permeability of ions such as Na+ and K+.
Indicate whether the statement is true or false
(
Question 8) All muscles have at least two attachments: the origin and the insertion.
Indicate whether the statement is true or false
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Question 9) Aerobic, or endurance, exercise involves jogging or biking.
Indicate whether the statement is true or false
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Question 10) Isometric contractions produce movement when filaments slide past one another and the muscle shortens.
Indicate whether the statement is true or false
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