Class Notes (806,696)
Canada (492,414)
Biology (2,161)
BIOL 110 (57)

Phases of Gait

2 Pages
Unlock Document

University of Waterloo
BIOL 110
Christine Dupont

Outline of Lecture 03 Gait I. Phases of Gait - Gait cycle = Stance phase (heel strike, flat foot, toe off) + swing phase - 5/6 gait cycles is stance, rest is swing; ¼ of gait cycle has double support - Transfer of weight during stance from heel along footprint to big toe - Flexor hallucis longus tendon passes through sesamoid bone tunnel, allows movement while weight is on big toe II. Ballistic model of gait - Lower limb forms inverted pendulum; most of gait is passive rocking over stance leg - Gait speed determined by height and gravity - Walking is very efficient (~60-70% energy recovery; total energy relatively constant) - Must break into running at lower speeds when going uphill, and vice versa III. Mechanisms to minimize displacement of body center of gravity - With no mechanisms, path of body center is cycloid; with mechanisms nearly flat - Pelvic rotation and plantarflexion raise lowest point - Pelvic tilt and knee flexion lower highest point IV. Muscles used during gait - Provide accel. during toe-off, support swing leg side, smooth transitions, and stabilize lower limb by deceleration
More Less

Related notes for BIOL 110

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.