12 Questions
What is the primary external force involved in running?
Gravity
Which muscle groups are the most important for producing power in running?
Hip flexors, extensors, abductors, knee extensors, and calf muscles
What is the force element involved in running?
Power
Which muscles extend the hip to move the body forward during the first part of stance?
Quadriceps and gluteus maximus
What do the quadriceps and calf muscles do to continue to propel the body forward in running?
Plan- tarflex the ankle
What is the additional efficiency provided by the hip abductors in running?
Keeping the pelvis stabilized laterally
What provides additional energy during tendon and muscle recoil in running?
The stretch reflex
What is the musculotendinous unit working likened to in running?
A spring
Which phase does the musculotendinous unit gain energy in running?
The absorption phase
What is the effect of the energy gained from the musculotendinous unit and the tendon in running?
It creates a stronger, more powerful effect
What are the internal forces produced by in running?
Both muscles and inert tissues
Which muscle group extends the knee in running?
Quadriceps
Study Notes
- Kinetics studies forces that cause motion, including internal and external forces in running.
- Internal forces are produced by the body's muscles and inert tissues, while gravity is the primary external force.
- Power is the force element involved in running.
- Hip flexors, extensors, abductors, knee extensors, and calf muscles are the most important muscle groups producing power for running.
- Gluteus maximus and hamstrings extend the hip to move the body forward during the first part of stance.
- Quadriceps extend the knee and calf muscles plan- tarflex the ankle to continue to propel the body forward.
- The hip abductors may provide additional efficiency by keeping the pelvis stabilized laterally.
- The stretch reflex provides additional energy during tendon and muscle recoil.
- Musculotendinous unit working is likened to a spring that gains energy during the absorption phase and releases it during the propulsion phase.
- The energy gained from the musculotendinous unit and the tendon adds to their desired motion to create a stronger, more powerful effect.
Test your knowledge of running mechanics with our Kinetics Quiz! Explore the internal and external forces that contribute to motion and power in running, and learn about the muscle groups responsible for propelling the body forward. From the role of the gluteus maximus to the stretch reflex, this quiz will challenge your understanding of how the body works while running. Sharpen your skills and discover new insights into the mechanics of running with our Kinetics Quiz!
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