This chapter provides an in-depth review of the anatomy and biomechanics of walking and running, including a detailed description of the pros and cons of midfoot vs. rearfoot strike patterns. Final sections of the chapter review how to select an ideal running form and the best ways to remain injury free.
Details:
Intro 0:00
The Gait Cycle: Walking 0:17
Determinants of Gait 4:00
Hip, Knee and Ankle Interactions 5:00
Movement of the Center of Mass and Efficiency 5:39
Hybrid Running 6:45
Treadmill Examples of Foot Strikes 9:00
Transition: Walk to Slow Run 11:12
Firing of Gastrocnemius and Force Output 11:45
Heel Strike at Slower Speed 12:55
Center of Mass and Midfoot Strike 13:18
Every Runner Picks a Stride Length That is Metabolically Efficient for Them 14:00
How Do You Pick a Contact Point? 14:55
Energy Absorption and Tibialis Anterior 17:30
Calcaneus and Energy Absorption 17:55
Efficiency and Gastrocnemius 19:00
Summary of the Differences Between Different Contact Points 20:50
Forefoot Strike and Tibial Stress Fractures 21:30
Crossover Gait Patterns 24:48
Foot Strike and Metabolic Efficiency 25:22
Speed and Efficiency 25:52
Strike Pattern and Comfort 26:35
The Calcaneus 27:40
Tibialis Anterior is Impervious to Injury 29:50
Tibialis Posterior 30:25
Gastrocnemius is an Unusual Muscle 31:00
Vibrating Bones: Certain Muscles Dampen Vibration 32:10
Absorbing Force at the Knee: Shifting Axis 34:45
Vertical Axis of the Knee Joint 36:22
Patellofemoral Shock Absorption 36:56
Gluteus Maximus 38:15
Femoral Neck and Piriformis 39:00
The Sacrum 40:00
The Sacroiliac Joint 40:25
Sacral Rotation and Nutation 41:30
Biceps Femoris Muscle and Stabilization of Sacrum 42:15
Fibular Motion and the Sacroiliac Joint: An Invalid Theory 43:30
Midstance 44:35
The Iliotibial Band 45:00
The Talus 49:40
The Hips as Motors and Legs as Springs 50:00
The Achilles Tendon 51:00
Isometric Contractions 52:00
Storing Energy in the Arch 53:32
Flexor Digitorum Brevis 54:52
The Propulsive Period 55:35
Flexor Hallucis Longus 56:00
Gastrocnemius and Soleus 56:40
The Equinus Gait and Injury 58:20
Cadaveric Model Evaluating Plantar Pressures and Metatarsal Bending 1:00:00
The Windlass Effect of the Plantar Fascia 1:02:00
Surgical Tenotomy of the Iliopsoas Tendon 1:03:00
The Swing Phase 1:05:00
Why Runners Strain Their Bicep Femoris 1:06:40
Midswing 1:07:16
Late Swing Phase 1:07:28
Arm Motions While Running 1:08:05
Ground Contact and the Braking Phase 1:10:24
Reducing the Braking Phase 1:11:26
Endurance Running vs. Sprinting 1:12:10
What Makes the Best Sprinters 1:13:10
The Biomechanics of Sprinting 1:15:00
Endurance Runners 1:16:00
Ideal Running Form to Remain Injury-Free 1:17:00
Accommodate External Tibial Torsion 1:19:00
Exam to Identify Femoral Anteversion and External Tibial Torsion 1:21:15
How to Address Femoral Anteversion 1:25:10
Using the Triple Stick Strap 1:27:00
Recreational Running Form Checklist 1:27:50
Dynamic Warm-Up Drills 1:32:10
About:
HumanLocomotion.com specializes in products and information for athletes, clinicians and our aging population. In 2011, Dr. Tom Michaud published a textbook entitled Human Locomotion that focused on examination, assessment, treatment and prevention of gait-related injuries. Dr. Michaud's textbook has sold over 15,000 copies and has been translated into four languages.
Throughout his years in practice, Dr. Michaud has treated thousands of athletes and over time he's developed several products for exercise and rehab that are available on HumanLocomotion.com. The most popular product, the ToePro, is designed to strengthen the toes and muscles of the foot and ankle, and is an important tool for strengthening the toes (toe strength is the most important thing for balance as you age). Dr. Michaud's articles and videos feature topics that focus on rehabbing injuries such as plantar fasciitis, Achilles tendinopathy, and peripheral neuropathy, and most recently maintaining balance, agility and strength for fall prevention.
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