biomechanics
posted by dmkp .
A subject with a height of 165cm and mass of 69 kg is sitting with his lower limb positioned with hip in 90 degree of flexion and knee in full extension and foot in 90 degree of dorsiflexion
a) calculate the intersegment force at the knee joint
b)Calculate the net external moment about the knee joint
c) Calculate the force in the patella tendon, given that it acts horizontally with a lever arm of 4 cm about the centre of the joint
d)The joint force at the knee joint
e) Comment on the difference in the intersegment force and the joint force at the knee joint

did u manage to work this out?
Respond to this Question
Similar Questions

Math23456
Problem:4x^2y^3 Choices: a.2nd degree b.3rd degree c.4th degree d.5th degree What I think:I think it is letter C. It is degree 3 in y. It is degree 2 in x. Normally, one would call this a degree equation , or a cubic equation. 
chemistry
182 degree c, 68 degree c, 943 degree c, 115 degree c, 0 degree c, which is the melting point of an ionic solid? 
Algebra II
Identify the degree of each term of polyrnomial and the degree of the polynromial 0f 8x^3+8x^2+3x+4. degree of the first term___________. degree of the second tern___________. degree of the third term___________. degree of the fourth … 
Maths
Using the exact trigonometric ratios of 45 degree,30 degree and 60 degree,evaluate the following,leaving where necessary your answer in surd form. (a) 3 sin 30 degree2 cos 60 degree (b)(tan 45 degree)(4 cos 60 degree2 cos 60 degree) 
math trig
two points A and Bare 80 feetapart on the same side of A towerand on a horizontal line through its foot.if angle of elevation of the top of the tower at A is 21 degree and B is 46 degree find the height of the tower. 
biomechanics
What are the directions and magnitudes of joint reaction forces (both horizontal and vertical) and moments of the KNEE (running)? 
math
two points A and B 80 ft. apart lie on the same side of a tower and in a horizontal line through its foot. if the angle of elevation of the top of the tower at A is 21 degree and B is 46 degree, find the height of the tower. 
biomechanics
Consider an experiment where a subject lands during two conditions from a height of 0.2 m. During the first landing condition, the subject lands 'stiffly' (e.g., very little knee flexion). During the second landing condition, the subject … 
BioMechanics
You have a subject (height = 150 cm, mass = 85 kg) lying prone on a moment table with their feet pressed against the foot rest. Assuming that you zeroed the scale before the subject got on the table, the scale now reads 40 kg. Where … 
Algebra 1
Find the measure of the smallest angle of the right triangle. c= 90degree a= height ac= 7 and cb = 11 a32.5 degree b57.5 degree c13.0 degree d50.5 degree my answer is a 32.5 degrees