Pod #100: Hill Running + Cortical Brain Changes in Injuries

Pod #100  Hill Running + Cortical Brain Brain Changes in Injuries, Plus leg length challenges, Sole vs Heel lifts, Varying your Running Surface, Frontal plane biomechanics, Baker Cyst and Popliteal Muscle problems and more !

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A. Podcast links:

direct download URL: http://traffic.libsyn.com/thegaitguys/pod_100f.mp3

permalink URL: http://thegaitguys.libsyn.com/podcast-100-hill-running-cortical-brain-brain-changes-in-injuries

B. iTunes link:
C. Gait Guys online /download store (National Shoe Fit Certification & more !)
D. other web based Gait Guys lectures:
Monthly lectures at : www.onlinece.com type in Dr. Waerlop or Dr. Allen, ”Biomechanics”

-Our Book: Pedographs and Gait Analysis and Clinical Case Studies
Electronic copies available here:


-Barnes and Noble / Nook Reader:


-Hardcopy available from our publisher:

Show Notes:

1 Cortical change in chronic low back pain

-Chronic low back pain is characterised by a range of structural, functional and neurochemical changes within the brain. Functional changes in individuals with chronic low back pain are reflected in a cortical reorganization, altered cortical activity and altered cortical responsiveness.

2  Lifting weights can change the brain

3  Importance of varying running surfaces

4  Emergence of postural patterns as a function of vision and translation frequency.
J Neurophysiol. 1999 May;81(5):2325-39.
Our results suggest that visual information was important to maintaining a fixed position of the head and trunk in space, whereas proprioceptive information was sufficient to produce stable coordinative patterns between the support surface and legs.     *The CNS organizes postural patterns in this balance task as a function of available sensory information, biomechanical constraints, and translation frequency.

5  Previous hamstring injury is associated with altered kinematics.
“Previously injured athletes demonstrated significantly reduced biceps femoris muscle activation ratios with respect to ipsilateral gluteus maximus, ipsilateral erector spinae, ipsilateral external oblique, and contralateral rectus femoris in the late swing phase. We also detected sagittal asymmetry in hip flexion, pelvic tilt, and medial rotation of the knee effectively putting the hamstrings in a lengthened position just before heel strike.”

The biomechanics of running in athletes with previous hamstring injury: A case-control study. C. Daly1, U. McCarthy Persson2, R. Twycross-Lewis1, R. C. Woledge1,† andD. Morrissey1,

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