Calculating Hip Joint Force/Stress During Walking/Running

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Homework Help Overview

The discussion revolves around calculating the approximate force and stress on a hip joint during walking and running. The original poster seeks assistance in estimating these values for a presentation, focusing on the impact force and its relation to cross-sectional area.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the need for initial thoughts on the problem, particularly regarding the forces and timescales involved. The original poster suggests estimating impact force and dividing it by cross-sectional area to find stress, while others question the variability of force due to individual differences in mass.

Discussion Status

The discussion is ongoing, with participants exploring different aspects of the problem. Some guidance has been offered regarding the need for more information on forces involved, and the variability of force due to personal factors has been noted.

Contextual Notes

The original poster aims to keep the calculations simple for a presentation, indicating a preference for approximations rather than precise measurements.

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Homework Statement


Can anybody help me calculate the approximate force/ stress on a hip joint during walking and/or running
Any help is greatly appreciated.


Homework Equations





The Attempt at a Solution

 
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What are your initial thoughts? We need to see something from you on questions #2 and #3 in order to help you. What forces and timescales are involved?
 
All i want to find out is the approximate stress for each step that a person takes.

I need to keep it quite simple for a presentation that i am doing so i was going to try and estimate the force that is produced on impact with the floor and then divide that by the approximate cross-sectional area to find the stress.

I just need some help with the approximations.

Any help appreciated
 
well the actual force would be hard to approximate because it varies from person to person due to mass change.. at least that is what i would think
 

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