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Quiet Inspiration
Diaphragm and external intercostals
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Deep inspiration
diaphragm, external intercostals, sternocleidomastoid, scalenes, pectoralis major, levator costarum, serratus posterior superior
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Forced inspiration
muscles of quiet inspiration and levator scapula upper trapezius rhomboids pectoralis minor
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Forced Expiration
rectus abdominis, external obliques, internal obliques, quadratus lumborum, transverse abdominis, serratus posterior inferior
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Function of the inercostals
- external pull up
- internal pull down
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Define stride length
right heal to right heal
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Step length
right heal to left heal
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Gait Cycle
same thing at stride length
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stance phase
- activity that occures when the foot is in contact with the ground
- 60% of gait
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swing phase
- foot is not incontact with the ground
- 40% of gait cycle
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