Gait

Definitions of Step and Stride

Stride: Initial contact with one limb and ends with contact of the same limb

Step: Initial contact with one limb and ends with contact of the contralateral limb

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Gait

Initial Contact

"Heal Strike"

Goal is shock absorption and transfer of weight

Gait

Loading Response

Begins: When foot is flat

Ends: Toe off of contralateral limb

Goal: Weight Acceptance, Shock Adsorption, and Forward Progression

Gait:

Midstance

Begins: Toeing off of contralateral limb

Ends: Center of Gravity over forefoot

Goal: Progression over support, Preserve forward progression.

Gait:

Terminal Stance

Begins: When weight is transfered to the forefoot (Heel rises)

Ends: With initial contact of contralateral limb

Goal: Start acceleration (Hip region)

Gait:

Pre-Swing

Begins: When both feet are on ground

Ends: Toe off of limb

Goal: Acceleration of the limb

Gait:

Initial Swing

Begins: Toe off of limb

Ends: Limb is exactly opposite of stance limb

Goal: Acceleration of thigh, clearance of foot.

Gait:

Mid-Swing

Begins: Limb is exactly opposite of stance limb

Ends: Calf is perpendicular with floor

Goal: Clearance of foot

Gait:

Terminal Swing

Begins: Calf is perpendicular with floor

Ends: Contact of foot with floor

Goal: Preparation for contact, Transfer of weight.

Identify the labeled structures below:

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A - Conus Medullaris

B - Conus Equina

Identify the labeled structures below:

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A - Linea Semilunaris

B - Tendinous Intersection

C - Rectus Sheath

D - Rectus Abdominis Muscle

E - Linea Alba