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# kinesiology

### gait

Question | Answer |
---|---|

define gait | translatory progression of the body as a whole,produced by coordinated, rotatory movements of body segments |

what are the 3 tasks of walking Ranchos Los Ranchos Amigos? | 1.Weight acceptance2.Single Limb support3. Swing-Limb advancement |

what are Winter's 3 tasks of walking? | 1.Maintenace of support of Hat against gravity2. Maintenence of upright posture and balance3. Control of foot trajectory to achieve safe ground clearance and gentle heel clearance |

Define the Gait Cycle. | activities that occur from initial contact of reference limb to initial contact of same extremity again. |

what are the phases of the gait cycle? | Stance phase and swing phase |

what percent of stance phase makes up the gait cycle? | 60% |

what percent of swing phase makes up the gait cycle? | 40% |

define stance phase. | initial contact to toe off |

define swing phase. | toe off to initial contact |

whaat phase does double limb support occur in? | stance phase |

how many times does double limb support occur? | twice.. |

what percent of stance phase is made up of double limb support | 22% |

what are the time variables in gait cycle? | cadence, speed and steps per minute |

what are the distance variables in gait cycle? | stride length, step length, walking base and degree of out toe |

what is the degree of out toe? | 10 degrees |

what are the 3 determinants of gait? | vertical rise, COG drop and side to side determinants |

what are the vertical rise determinants? | -lateral pelvice tilt-knee flexion-knee and ankle interactions |

what is the COG drop determinant? | pelvic rotation |

what is the side to side detrminant? | knee valgus |

How often, what percentage ,and what phase does double limb support occur? | 2 times at 11% each, in the stance phase |

Normal heel strike occurs at which portion of the calcaneus? | Posterior lateral |

in the gait cycle, when do the hip abductors concentrically contract? | during loading response and initial swing |

In the ankle joint, what is the component responsible for plantar and dorsal flexion? | Talacural joint |

An increase in lateral trunk flexion in midstance may be caused by? | Same side weak glut medius mm |

What are the reference points for the Q angle? | ASIS, patella, tibial tuberosity and tibial shaft |

When referencing the gait cycle, where does it begin and end? | Intial contact of the reference limb to initial contact of the same limb |

What is the percentage of Stance phase to Swing phase? | Stance phase- 60%; Swing phase- 40% |

list the steps of gait cycle in order. | initial contact,loading response,contralateral toe off,midstance,cog over base of support,terminal stance,contralateral initial contact,preswing,toe off,initial swing,max knee flexion,midswing, tibia vertical,terminal swing, initial contat |

how many degrees of pelvic forward rotation at initial contact? | 5 degrees |

how many degrees of hip flexion at initial contact? | 30 degrees |

how many degrees of knee flexion at initial contact | 0 degrees |

how many degrees of ankle plantar flexion at initial contact? | 0 degrees |

how many degrees of subtalor supination at inital contact? | 5 degrees |

how many degrees of hip flexion at contralateral toe off? | 30 degrees |

how many degrees of knee flexion at contralateral toe off? | 15 degrees |

how many degrees of ankle plantar flexion at contralateral toe off? | 15 degrees |

how many degrees of subtalor supination at contralateral toe off? | -10 degrees |

how many degrees of pelvic forward rotation at cog over base of support? | 0 degrees |

how many degrees of hip flexion at cog over base of support? | 5 degrees |

how many degrees of knee flexion at cog over base of support? | 5 degrees |

how many degrees of ankle plantar flexion at cog over base of support? | -5 degrees |

how many degrees of subtalor supination at cog over base of support? | -5 degrees |

how many degrees of pelvic forward rotation at contralateral initial contact? | -5 degrees |

how many degrees of hip flexion at contralateral initial contact? | -10 degrees |

how many degrees of knee flexion at contralateral initial contact? | 0 degrees |

how many degrees of ankle plantar flexion at contralateral initial contact? | -10 degrees |

how many degrees of subtalor supination at contralateral initial contact? | 5 degrees |

how many degrees of hip flexion at toe off? | 0 degrees |

how many degrees of knee flexion at toe off? | 40 degrees |

how many degrees of ankle plantar flexion at toe off? | 20 degrees |

how many degrees of subtalor supination at toe off? | 10 degrees |

how many degrees of hip flexion at max knee flexion? | 20 degrees |

how many degrees of knee flexion at max knee flexion? | 60 degrees |

how many degrees of ankle plantar flexion at max knee flexion? | 10 degrees |

how many degrees of pelvic forward rotation at tibia vertical? | 0 degrees |

how many degrees of hip flexion at tibia vertical? | 30 degrees |

how many degrees of knee flexion at tibia vertical? | 30 degrees |

how many degrees of ankle plantar flexion at tibial vertical? | 0 degrees? |

what type of contraction is erector spinae doing at initial contact to contralateral toe off? | eccentric |

what type of contraction is gluteus min and med doing during initial contact to contralateral toe off? | eccentric |

what type of contraction is gllute max doing at initial contact to contralateral toe off? | isometric |

what type of contraction is quadriceps doing at initial contact to contralateral toe off? | eccentric |

what type of contraction are the dorsiflexors doing at initial contact to contralateral toe off? | eccentric |

what type of contraction is glute med and min doin at contralateral toe off to cog over base of support? | isometric |

what type of contraction is quadriceps doing at contralateral toe off to cog over base of supprt? | concentric |

what type of contraction is gastroc and soleus doing at contralateral toe off to cog over base of support? | eccentric |

what type of contraction is glute med and min doing at cog over base of support to contralateral initial contact? | concentric |

what type of contraction is iliopsoas doing at cog over base of support to contralateral initial contact? | eccentric |

wha type of contraction is gastroc and soleus doing at cog over base of support to contralateral itial contact? | eccentric |

what type of contraction is iliopsoas doing at contralateral initial contact to toe off? | concentric` |

what type of contractin is gastroc and soleus doing at contralateral initial contact to toe off? | concentric |

what type of contraction is iliopsoas doing at toe off to max knee flexion? | concentric |

what type of contraction are the dorsiflexors doing at toe off to max knee flexion? | concentric |

what type of contraction are the dorsiflexors doing at max knee flexion to tibia verticle? | isometric |

what type of contraction is the hamstrings doing at tibia verticle to initial contact? | eccentric |

what type of contraction is the hip adductors doing at tibia verticle to initial contact? | eccentric |

what type of contraction is the dorsiflexors doing at tibia verticle to initial contact? | isometric |