Exam 6: Muscle Physiology

Indicate which type of muscle is associated with the property in question by using the answer code (options may be used more than once or not at all). -contains actin,myosin,troponin,and tropomyosin

MATCHING Indicate which of the muscle proteins in skeletal muscle is associated with the item in question by using the following code (options may be used more than once or not at all). -lie(s)near the groove of the thin filament helix

Which of these muscles have motor units with the highest innervation ratio?

Which of the following is NOT a normal age-related change that occurs in muscles of older individuals?

Indicate the characteristics of the muscle-tension receptors by using the answer code (options may be used more than once or not at all). -detects change in muscle tension

The _____________________ is the descending pathway that is primarily concerned with regulation of posture involving involuntary movements of the trunk and limbs.

What causes muscle relaxation?

Indicate which type of muscle is associated with the property in question by using the answer code (options may be used more than once or not at all). -attached to bones

Which statement is correct for muscle tension?

Compare and contrast isotonic versus isometric contractions.

A motor unit is a single muscle plus all of the motor neurons that innervate it.

The corticospinal system controls fine,discrete,voluntary body movements.

Indicate which type of muscle is associated with the property in question by using the answer code (options may be used more than once or not at all). -found in the walls of hollow organs such as the stomach

Indicate which of the characteristics in question applies to each of the muscle fibre types by using the answer code (options may be used more than once or not at all). -produces the most lactic acid

A(n)____________________ is a motor neuron and all the muscle fibres it recruits.

For every muscle,there is an optimal length at which maximum ____________________ is achieved.

What happens during coactivation?

The actin filaments in sarcomere contain cross bridges.

Which statement is correct for Actin?

What is NOT involved in the relaxation of muscle?