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19 Cards in this Set
- Front
- Back
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what are the phases of gait?
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initial contact, loading response, mid-stance, terminal stance, pre-swing, initial swing, mid-swing, terminal swing
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what muscles have peak activity in initial contact?
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concentric hip extension, eccentric Tibialis Anterior
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what muscle has peak activity in loading response?
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eccentric quads
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what muscle has peak muscle activity in terminal stance?
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concentric plantar flexors
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what is the critical event of I.C.?
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heel strike
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what are critical events of L.R.?
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hip stability, controlled knee flexion and PF
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what is critical event of Mid-St.?
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controlled tibial advancement
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what are critical events of T-St.?
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controlled DF, heel rise, trailing limb
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what are critical events of Pre-Sw.?
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passive knee flexion, ankle DF
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what are 5 determinants of normal gait?
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1. stability in stance
2. foot clearance in swing 3. pre-positioning for I.C. 4. adequate step length 5. energy expenditure |
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what are joint angles in I.C.?
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forward rot pelvis, 20 hip flex, neutral knee, neutral ankle
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what are joint angles in L.R.?
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contralateral pelvis drop, 20 hip flex, 15-20 knee flex, 5-10 ankle PF
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what are joint angles in Mid-St.?
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contralateral pelvis raise, neutral hip, 5-15 knee flex, 5 ankle DF
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what are joint angles in T-St.?
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back rot pelvis, 20 hip extension, minimum knee flex, 10 ankle DF
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what are joint angles in Pre-Sw.?
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back rot pelvis, 10 hip extension, 35-40 knee flex, 15 ankle PF
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what are joint angles in Initial-Sw.?
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back rot pelvis, 15 hip flex, 60 knee flex, 5 ankle PF
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what are joint angles in Mid-Sw.?
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neutral pelvis, 25 hip flex, 25 knee flex, neutral/min ankle DF
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what are joint angles in T-Sw.?
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forward rot pelvis, 20 hip flex, 5 knee flex, neutral ankle
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what are 3 peaks in GRF graph?
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heel strike, weight acceptance, pre-swing
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