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Biomechanical Data & Conditioning
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Today, we're discussing the biomechanics involved in parkour. One method we use is 3D motion capture analysis, which helps us understand joint movements during vaults. Can anyone tell me why analyzing joint angles is important?
It helps us see if someone is moving correctly to avoid injuries.
Exactly! For instance, we look at peak knee valgus and hip flexion during a vault. These angles can indicate potential injury risks. Now, what's the Reactive Strength Index?
It's a way to measure how explosive a person is during jumps, right?
Correct! We use a drop jump to gauge it using contact time and jump height. Remember, RSI = jump height divided by contact time. What can this help us with in training?
It helps create better conditioning plans!
Great point! A structured conditioning plan is vital. It includes foundational strength, plyometrics, and power endurance phases. Let's summarize these phases.
Safety Standards & Injury Surveillance
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Now, let's talk about safety standards. What guideline did we adapt from OSHA for parkour?
The surface impact absorption standards?
Exactly! The goal is to ensure Gmax is less than 200 g for effective impact absorption. Why do you think these standards are crucial?
To prevent serious injuries from falls!
Absolutely! We also use injury logs for documenting incidents. What key information should be included in an injury log?
The date, the activity, and the type of injury!
Correct! Tracking this information helps us understand patterns in injuries and improve safety measures. Let's review.
Introduction & Overview
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Quick Overview
Standard
In this section, students learn about the biomechanical aspects of parkour, including 3D motion capture analysis and conditioning regimens designed to enhance performance and minimize injury risk. Standards for safety and injury documentation are also outlined.
Detailed
Parkour & Movement Science
This section delves into the intricate world of parkour, focusing on the biomechanical and conditioning aspects crucial for practitioners. It begins with a 3D motion capture analysis of parkour vaults, examining key joint angle trajectories which help in assessing performance and injury risk. The Reactive Strength Index (RSI) protocol is introduced as a method to gauge explosiveness through drop jumps, emphasizing the relationship between jump height and contact time.
The section then transitions into a structured conditioning plan divided into three phases: foundational strength, plyometrics, and power endurance. These phases aim to progressively build a parkour athleteβs capabilities while addressing injury prevention.
Safety is a primary concern in parkour, and thus, OSHA guidelines are adapted for proper impact absorption standards during training. Additionally, an injury log template is provided, offering a systematic approach to tracking injuries. This template encourages comprehensive documentation of incidents, promoting a culture of safety and improvement within the practice of parkour.
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Biomechanical Data & Conditioning
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1.3.1 Biomechanical Data & Conditioning
- 3D motion capture analysis:
- Joint angle trajectories during vault; peak knee valgus and hip flexion degrees.
- Reactive Strength Index (RSI) protocol:
- Drop jump from 30 cm; contact time sensor; RSI = jump height (cm) / contact time (ms).
- Periodized conditioning plan:
- Phase 1: foundational strength (3Γ8 back squats @70% 1RM).
- Phase 2: plyometrics (6Γ5 depth jumps).
- Phase 3: power endurance (circuit of vaults with 20 s work, 40 s rest Γ5 rounds).
Detailed Explanation
In this chunk, we discuss the biomechanics behind parkour and the conditioning required for athletes. The first point focuses on '3D motion capture analysis', which helps us understand how a person's body moves during activities like vaulting in parkour. Joint angles, particularly knee and hip positions during these movements, are measured to assess performance and prevent injuries.
Next, we introduce the 'Reactive Strength Index (RSI)'. This is a method to measure how quickly and effectively an athlete can convert strength into explosive movement, indicated by performing a drop jump, where the athlete jumps up after dropping from a height. The formula (jump height divided by contact time) gives a clear metric of performance.
Finally, we summarize a 'Periodized conditioning plan'. This structured approach divides training into phases to build different athletic capacities: first foundational strength, then explosive power through plyometrics, and finally endurance under specific task conditions.
Examples & Analogies
Think of preparing for parkour like getting ready for a performance or play. Just as an actor spends time rehearsing different scenes (like foundational strength) before they have big emotional scenes (like explosive jumps), a parkour athlete must build their basics first before executing complex movements and routines. The RSI is like a test run before showtime: if the actor jumps into their role seamlessly, they are ready for the spotlight!
Safety Standards & Injury Surveillance
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1.3.2 Safety Standards & Injury Surveillance
- OSHA guidelines adaptation:
- Surface impact absorption minimum Gmax <200 g; foam pit depth chart.
- Injury log template:
- Fields: date, activity, mechanism, diagnosis (ICD-10), treatment, RTP timeline.
Detailed Explanation
This chunk emphasizes the importance of safety and monitoring injuries in parkour practice. First, we discuss the adaptation of safety guidelines based on the Occupational Safety and Health Administration (OSHA) standards. Ensuring safe landing surfaces is crucial, where the maximum impact a surface should allow is less than 200g of force, meaning landing on soft surfaces (like foam pits) can significantly reduce injury risks during training.
The second part introduces a structured 'Injury log template'. This log records specific details about injuries, such as when they occurred, the type of activity leading to the injury, the injuryβs mechanism, diagnosis using standard codes (ICD-10), treatments applied, and timelines for return to play. Keeping track of these details helps analyze patterns in injuries and adapt training practices to improve safety.
Examples & Analogies
Imagine youβre in a bowling alley. Just as bowlers use bumpers to prevent their bowling ball from falling into the gutter, parkour athletes need padding and safety standards to minimize injury risk. When they do get hurt, maintaining an injury log is like keeping track of the scores and statistics for the games played; it helps athletes and coaches understand what went right and wrong, improving future training practices.
Definitions & Key Concepts
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Key Concepts
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Biomechanical Data: Understanding performance through analysis of joint movements.
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Conditioning Phases: Structured training plans including foundational strength, plyometrics, and power endurance.
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Safety Standards: Adhering to guidelines for impact absorption to prevent injuries.
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Injury Surveillance: Implementing logging and tracking systems to monitor injuries.
Examples & Real-Life Applications
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Examples
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An analysis using 3D motion capture revealed excessive knee valgus during a vault, prompting adjustments in training to focus on correct movement patterns.
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A conditioning program focusing on the Reactive Strength Index helps athletes improve their explosive power, enhancing vaulting performance.
Memory Aids
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π΅ Rhymes Time
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When you vault into the air, check your knee, itβs only fair, the angleβs key for safetyβs care.
π Fascinating Stories
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Imagine a young parkour athlete named Max who, after consistently measuring his jump height and contact times, unlocked the secret to explosive power through understanding his RSI, ultimately becoming a parkour champion.
π§ Other Memory Gems
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PARK: Power (foundational strength), Absorb (ensure impact absorption), Reflex (reactive strength index), Keep log (injury surveillance).
π― Super Acronyms
PESI
- Power - Explosiveness - Safety - Injury Monitoring.
Flash Cards
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Glossary of Terms
Review the Definitions for terms.
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Term: 3D Motion Capture
Definition:
A technology for recording an athlete's movements in three dimensions to analyze biomechanics.
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Term: Reactive Strength Index (RSI)
Definition:
A measure of an athlete's explosiveness, calculated from the height of a jump and the contact time.
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Term: Biometric Analysis
Definition:
The study of physiological and biomechanical data to enhance performance and reduce injury risk.
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Term: Injury Log
Definition:
A template for documenting injuries to track their frequency and severity to improve safety practices.