# Gait Cycle

ComprehensiveOrangutan
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## 23 Questions

7

### Put the first 4 stages of gait in order.

1 = Initial Contact 2 = Loading Response 3 = Foot Flat/Contralateral Toe Off 4 = Mid Stance

### match stages 5, 6 and 7 of the gait cycle

6 = Initial Swing 7 = Terminal Swing (late swing) ? = ? 5 = Terminal Stance

Heel strike

stance and swing

4

3

True

2 steps

### match the stance and swing ratios to the correct gait pattern

Walk = 60:40 Run = 50:50 Race = 30:70 Sprint = 20:80

False

### What does terminal stance indicate?

the beginning of the second double support period

### Distinguish between initial contact and initial stance

Contact = first phase. heel strike Stance = sixth phase. period of toe off through to feet adjacent ?1 = ?1 ?2 = ?2

### describe terminal swing

going from feet adjacent back to heel strike of the starting foot

### match the correct phase

Initial Contact = heel strike. Beginning of gait cycle Loading Response = start of double support period. Foot Flat/Contralateral Toe Off = end of double support. contralateral limb is at toe off Mid Stance = weight shift to the middle of the foot. the knee is reaching peak flexion and starts to extend

### match the correct phase

terminal stance = second double support occurring. period from ipsilateral heel off to contralateral foot contact, aka push off initial swing = period from toe off through to feet adjacent terminal swing (late swing) = period from feet adjacent through to initial foot contact provided toe clearance has happened. ?.. = ?...

True

### match the gait determinants to their function

lateral displacement/genu nalgum = we don't walk as robots. We have slight valgus at the knee to help reduce side to side movement as we walk. n/a = n/a m/b = m/b foot mechanism = external rotation of the leg and supination of the foot lengthening the leg at toe off.

pelvic rotation

pelvic obliquity

### which determinant of gait is this?adjusting the length of leg during the stance phase to maintain hip height. Works to keep the hip at a stable height

stance phase knee flexion

ankle mechanism

## Study Notes

### Stages of Gait

• There are 7 stages of gait.
• The first 4 stages of gait in order are:
• Initial contact
• Midstance
• Terminal stance
• Stages 5, 6, and 7 of the gait cycle are:
• Preswing
• Initial swing
• Midswing

### Phases of Gait

• There are 2 phases of gait: Stance phase and Swing phase.
• The stance phase has 3 subphases: Initial contact, Loading response, and Midstance.
• The swing phase has 3 subphases: Initial swing, Midswing, and Terminal swing.
• Gait is typically 60% stance and 40% swing.

### Stride and Support Periods

• 1 stride is equal to the distance from initial contact of one foot to the initial contact of the same foot again.
• Flat foot/contralateral toe off marks the beginning of a double support period.
• Terminal stance indicates the end of the double support period.

### Determinants of Gait

• There are 6 determinants of gait.
• The determinants of gait and their functions are:
• Hip and pelvis movement: Helps to reduce vertical movement in the center of mass (COM).
• Pelvic tilt: Tips in the frontal plane, moving downward during swing and upward during stance, to help reduce vertical movement in COM.
• Knee flexion: Adjusts leg length during the stance phase to maintain hip height.
• Ankle mechanism: Lengthens the leg at initial contact and toe off to help maintain hip height.
• Lateral pelvis shift: Helps to reduce vertical movement in COM.
• Arm swing: Helps to reduce rotational movement in COM.

going through each phase, things that differentiate them and stance and swing

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