Gait Lab Engineering Lab Report Research Coursework
Prepare your laboratory reports using the gait analysis reports that is given to you. Your laboratory report should consist of 2 pages. Briefly describe the PURPOSE of the gait lab in a short INTRODUCTION section, the METHODS utilized (i.e. for recording kinematics and determining kinetics), the RESULTS, and a DISCUSSION or interpretation of your data and the limitations of the study. Two pages does not include tables, figures and references.
Using the references from the literature (see previous announcement), answer the questions below using the spatiotemporal data, kinematic data and kinetic data from your lower extremity joint(s) of interest:
In your results section:
1) Summarize the spatial and temporal patterns of the walking (velocity, step/stride lengths, time in each phase of gait, etc.) using a table.
2) Describe the kinematics (joint angles) and kinetics (ground reactions, joint moments and powers) of the “normal” walking and the reasons for any unexpected deviations. Use figures and text.
In your discussion section, answer the following questions:
1) How did the gait symmetry change with the brace?
2) Was step length or cadence modified?
3) How did your subject’s kinematics and kinetics change during one subphase of stance and one subphase of swing?
4) Muscle activation wasn’t collected, but how would you predict muscle activation would change in one muscle or muscle group when wearing the brace (based on the lecture)?
Title
Your Name:
Subject and Section:
Professor’s Name:
Date Submitted:
INTRODUCTION
This experiment is an analysis of the gait cycle of normal walking in comparison with braced walking. The use of the Vicon Gait Analysis System will be utilized for detailed information regarding the joint angles, speed, and gait phases of each trial.
METHODS
1 Subjects will have to wear shorts with loos waistband, tank top or shirt, ankle socks, and low-cut sneakers
2 The 16 cameras are all set up including the software for data collection and calibration
3 The subject’s measurements are taken:
1 Height in centimeters
2 Weight in kilograms
3 Leg length for both sides (true leg length measured from ASIS to medial malleolus)
4 Knee width in centimeters
5 Ankle width in centimeters
4 The markers are placed on subject on specific landmarks for improved tracking during the whole gait cycle
5 Static trial is collected
6 Dynamic trials are collected using two setups
6 Normal walking with low-cut shoes
7 Braced or high-cut sneakers
7 Data are saved and processed
RESULTS
Normal
Braced
Left
Right
Left
Right
Cadence (steps/min)
108.13
110.40
103.27
104.21
Double Support
0.21s
0.20s
0.23s
0.21s
Foot Off
58.33%
59.32%
59.90%
59.36%
Opposite Foot Contact
49.77%
48.95%
50.26%
49.28%
Opposite Foot Off
10.14%
7.72%
9.98%
8.52%
Single Support
0.44s
0.45s
0.47s
0.47s
Step Length
0.63m
0.88m
0.79m
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