Related Experiment Video
Updated: Oct 11, 2025
07:19
Comparison of Kinetic Characteristics of Footwork during Stroke in Table Tennis: Cross-Step and Chasse Step
Published on: June 16, 2021
2.8K
Joint loads and muscle force distribution during classical and jazz pirouettes
1Józef Piłsudski University of Physical Education, Warsaw, Poland.
Acta of Bioengineering and Biomechanics
|November 30, 2021
Summary
Classic pirouettes demand greater ankle joint loading and hip external rotator force compared to jazz pirouettes. Jazz pirouettes may be more suitable for early-stage dancers due to lower joint mobility requirements.
Area of Science:
- Biomechanics of dance
- Musculoskeletal modeling in sports
Background:
- Pirouettes are fundamental elements in ballet and jazz dance.
- Understanding the biomechanical demands of different pirouette styles is crucial for injury prevention and performance optimization.
Purpose of the Study:
- To analyze muscle force distribution and lower limb joint loading during classic and jazz pirouettes.
- To identify which muscle generates the highest force and which joint experiences the greatest load in each pirouette style.
Main Methods:
- Skilled dancers (n=16) performed single-turn jazz and classic pirouettes.
- Kinematic and kinetic data were collected using motion capture and force plates.
- A musculoskeletal model in the AnyBody Modeling System calculated joint and muscle forces.
Main Results:
- The ankle joint was the most loaded in both pirouette styles, with higher maximal loads in classic pirouettes.
- Ankle plantar flexors generated greater force in jazz pirouettes, while hip external rotators generated greater force in classic pirouettes.
- Classic pirouettes showed significantly higher range of motion in the supporting leg's sagittal plane joints and the non-supporting leg's hip joint.
Conclusions:
- Jazz pirouettes may be more appropriate for early-stage dancers due to lesser joint mobility demands.
- Training in jazz pirouettes can help dancers build muscle strength and body awareness.
- Understanding pirouette biomechanics can inform dance pedagogy and choreography to mitigate musculoskeletal risks.
Related Concept Videos
01:27Work and Power for Rotational Motion
5.7K
Work and power in rotational motion are completely analogous to work and power in translational motion. The total work done to rotate a rigid body through an angle 'θ' about a fixed axis is the sum of the torques integrated over the angular displacement. Hence, torque and angular displacement in rotational motion are analogous to force and linear displacement in translational motion, respectively.
Similarly, the power delivered to a system that is rotating about a fixed axis...
Similarly, the power delivered to a system that is rotating about a fixed axis...
5.7K
01:25Internal Forces and Center of Gravity
499
Internal forces and the center of gravity are fundamental concepts in mechanics, playing a crucial role in understanding the behavior and stability of structures and objects under various conditions. A comprehensive understanding of these principles is essential for engineers, architects, and designers to create safe and efficient systems.
Internal forces are generated within a body due to the interaction between its particles. These forces can be categorized into tension, compression, and...
Internal forces are generated within a body due to the interaction between its particles. These forces can be categorized into tension, compression, and...
499
01:21Rigid Body Equilibrium Problems - II
7.5K
A rigid body is in static equilibrium when the net force and the net torque acting on the system are equal to zero.
Consider two children sitting on a seesaw, which has negligible mass. The first child has a mass (m1) of 26 kg and sits at point A, which is 1.6 meters (r1) from the pivot point B; the second child has a mass (m2) of 32 kg and sits at point C. How far from the pivot point B should the second child sit (r2) to balance the seesaw?
Consider two children sitting on a seesaw, which has negligible mass. The first child has a mass (m1) of 26 kg and sits at point A, which is 1.6 meters (r1) from the pivot point B; the second child has a mass (m2) of 32 kg and sits at point C. How far from the pivot point B should the second child sit (r2) to balance the seesaw?
7.5K
01:15Principle of Impulse and Moment
280
When one considers a rigid body undergoing a plane motion, which is essentially a blend of translational and rotational movement, the application of Newton's second law gives the formula for the translational movement of such a body. If this equation is multiplied by a time interval, dt, and then integrated over the limits of integration, it results in an equation that embodies the principle of linear impulse.
280
01:18Axial and Appendicular Muscles
2.0K
Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles and appendicular muscles. These classifications reflect the primary roles the muscles play in the body's structure and movement.
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
2.0K
00:49Rigid Body Equilibrium Problems - I
4.9K
A rigid body is said to be in static equilibrium when the net force and the net torque acting on the system is equal to zero. To solve for rigid body equilibrium problems, do the following steps.
4.9K