biomechanics orthotics assignment

8/19/2019 Biomechanics Orthotics Assignment

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University of Malaya

Faculty of Engineeri ng

KUEP 3130: Biomechanics of Orthotics

Session 2015/2016, Semester I

Assignment:

Biomechanical Analysis using Kinovea

Students:

HARMONY TAN SHI LE KED130002

NURUL AFNIZAH BINTI ZAKARIAH KED130012

Lecturer:

DR. NUR AZAH BINTI HAMZAID


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A0 = knee;A1 = hip;A2 = ankle;

for i = 1:25P0 = A0(i,:);P1 = A1(i,:);P2 = A2(i,:);

rad = atan2(abs(det([P2-P0;P1-P0])),dot(P2-P0,P1-P0));deg_tmp = rad*180/pi;deg = 180 - deg_tmp;ang(i) = deg;

end

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% left footA = Lach; % (x1, y1)H = Lheel; % (x2, y2)for i = 1:12

x1 = A(i,1);y1 = A(i,2);

x2 = H(i,1);y2 = H(i,2);

rad = atan2(y2-y1,x2-x1);% This will return the angle between a horizontal vector from (x1,y1) to% (x1+1,y1) and the vector from (x1,y1) to (x2,y2)

deg_tmp1 = rad*180/pi;deg_tmp2 = 180 + deg_tmp1;left_deg(i) = deg_tmp2;

end

% right footA = Rach; % (x1, y1)

H = Rheel; % (x2, y2)for i = 1:13


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x1 = A(i,1);y1 = A(i,2);

x2 = H(i,1);y2 = H(i,2);

rad = atan2(y2-y1,x2-x1);% This will return the angle between a horizontal vector from (x1,y1) to% (x1+1,y1) and the vector from (x1,y1) to (x2,y2)

deg_tmp1 = rad*180/pi;deg_tmp2 = deg_tmp1 * (-1);right_deg(i) = deg_tmp2;

end

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figure;% data from without insoleplot( x, y, '+r' ); % plot the original pointsn = numel(x); % number of original pointsxi = interp1( 1:n, x, linspace(1, n, 10*n) ); % new sample pointsyi = interp1( x, y, xi );hold all;

plot( xi, yi ); % should be smooth between the original points

% data from with insoleplot( x, z, 'ob' ); % plot the original pointsn = numel(x); % number of original pointsxi = interp1( 1:n, x, linspace(1, n, 10*n) ); % new sample pointszi = interp1( x, z, xi );hold all;plot( xi, zi ); % should be smooth between the original points

biomechanics orthotics assignment

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