Normal Gait Cycle

NORMAL GAIT CYCLE Emine CAN HACETTEPE UNIVERSITY- Depatment of Electrical Electronics Engineering

Gait Cycle . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Gait Cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

STANCE( support ) PERIOD Begins when the heel of the forward limb makes contact with the ground and ends when the toe of the same limb leaves the ground. ,[object Object]

SWING ( unsupported ) PERIOD Begins when the foot is no longer in contact with the ground. The limb is free to move. Foot not in contact with the ground

The Tasks of the Gait Cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

STANCE Subphases IC : Initial Contact (Heel Strike) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

STANCE Subphases LR : Loading Response ( Foot Flat ) > Flattening of the foot – reacting to impact of body weigh t > Double stance ends > Knee – 15 o flexion, tibia internally rotates and then begins to externally rotate > Hip – 30 o flexion, femur internally rotating moving to neutral > Maximum Impact Loading occurs > Foot rapidly moves into pronation > Weight has been shifted to the support leg

STANCE Subphases MS: Mid Stance Early Midstance - Late Mid Stance ,[object Object],[object Object]

STANCE Subphases TS : Terminal Stance ( Heel-off ) > Single stance – “Falling forward” forward fall of the body moves the vector further anterior to the ankle, creating a large dorsiflexion moment > Begins as COG passes over foot and ends when opposite foot touches ground ,[object Object],[object Object]

STANCE Subphases PS : Pre-Swing ( Toe-Off/ Knee Break) ,[object Object],[object Object],[object Object],[object Object],[object Object]

SWING Subphases IS : Initial Swing ( acceleration ) ,[object Object],[object Object],[object Object],[object Object]

SWING Subphases MS : Mid Swing ,[object Object],[object Object],[object Object],[object Object]

SWING Subphases TS : Terminal Swing ,[object Object],[object Object],[object Object]

bibliography ,[object Object],[object Object],[object Object],Gait Evaluation Joshua Landau, MD Gar Wynne, MD http://www.upstate.edu/cdb/grossanat/limbs6.shtml http://www.upstate.edu/cdb/grossanat/limbs6.shtml

Normal Gait Cycle

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Normal Gait Cycle