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A Common Error Made in a Sport

A Common Error Made in a Sport

The use of biomechanics in the field of sports performance is essential for comprehending and improving an athlete’s technique. The systematic method of evaluating athletic talents, spotting mistakes, and making improvements is discussed in this lecture. Athletes and coaches learn how these biomechanical ideas interact with particular tactics by thoroughly examining concepts like balance, force generation, rotation, and fluidity. The significance of these ideas in resolving the typical “arm-dominated” error and ultimately improving overall performance is demonstrated through the analysis of a tennis player’s forehand stroke.

The Typical “Arm-Dominated” Error Made in Tennis

Tennis players frequently commit the error of using “arm-dominated” or “arm-heavy” strokes during their groundstrokes, particularly forehands. This mistake happens when players must properly utilize their lower body, rotate their core, and transfer their weight when generating power and controlling the ball. Inconsistent shooting, a lack of force, and an elevated risk of injury might result. A smoother, more powerful, and more precise stroke is the consequence of utilizing an effective technique that involves engaging the legs and hips for a solid foundation, turning the torso to create torque, and using the arm to extend the entire body’s movement.

Analyzing the Athlete’s Movement and Correct the Error

I would start by analyzing the athlete’s performance in a particular talent, such as the tennis forehand stroke, before following the steps described in the lecture to evaluate the movement and remedy the mistake. I would carefully observe their stance, weight distribution, and body position throughout the stroke. I would look for excessive arm movement, a lack of lower body engagement, and restricted torso rotation in the case of the “arm-dominated” mistake.

After identifying the issue, I would examine each step and essential components of the skill, as stressed in the lecture. In this instance, I would divide the forehand stroke into the setup, backswing, forward swing, and follow-through phases. I would then concentrate on fixing the player’s arm-heavy action to correct the mistake made during the backswing phase and adding a drill that adequately rotates the shoulders while activating the knees and hips to start the swing. The player should concentrate on a flowing series of motions that involve the entire body cooperating.

Before explaining the correction strategy, I would describe the phases and components to the athlete, giving precise, succinct directions while demonstrating the proper form and outlining the biomechanical concepts underlying the corrections is important (Hegi et al., 2023). The athlete should work on the appropriate form repeatedly, gradually increasing the pace and intensity while retaining the correct mechanics. Video analysis could be beneficial to show the athlete their progress visually and where improvements are needed.

Principles of Biomechanics and How They Tie Into the Technique

Balance and Stability

A successful forehand stroke requires stability and proper balance. To ensure a strong foundation during the stroke, the athlete must maintain a stable stance and weight distribution (Abbasabadi, 2022). This principle links into the technique by highlighting the significance of a balanced setup and maintaining stability during the swing. To correct the “arm-dominated” error, the player must learn how to use their legs and core to stabilize their foundation and enable controlled weight transfer and balance during the stroke.

Force and Power Generation

The body’s ability to produce energy to push the ball illustrates force and power generation. The kinetic chain, which involves sequential energy transfer from the lower body through the core to the arm and racket, is used in the forehand stroke to achieve this. To fix the mistake, the player must learn to effectively harness the force from their legs and hips and transfer it through their body into their arm and racket. By focusing on this idea, the player can create a more forceful and controlled stroke, which lessens the need for arm power alone.

Rotation and Torque

The forehand stroke can be effective with the proper torso rotation and torque. The rotational principle links into the technique by emphasizing how the athlete must spin their shoulders and hips simultaneously to produce torque. Teaching the player to begin the swing with their lower body rotation and transfer that rotational energy upward via the torso is necessary to correct the “arm-dominated” inaccuracy. The power and accuracy of the stroke are increased due to the spiral spring effect created by this.

Fluidity and Synchronization

The efficiency of a forehand stroke is highly correlated with movement fluidity and synchronicity. The need to sustain a rhythmic and synchronized action throughout the stroke is emphasized by biomechanics. The player should concentrate on breaking the stroke into different phases and pieces while ensuring they flow together fluidly to solve technique faults (Farzan et al., 2023). The seamless transition from setup to the backswing, forward swing, and follow-through should be emphasized throughout practice. By strongly emphasizing fluidity, the correcting process is sure to produce a well-integrated technique that reduces pointless pauses or jerky motions, ultimately resulting in a more effective and efficient stroke.


A cornerstone for success in sports is the symbiotic relationship between biomechanical theories and technique. The lecture’s discussion of complex balance, exact force generation, synchronized rotation, and seamless fluidity reveals the way to successful skill performance. With this knowledge, coaches and athletes may approach performance improvement and error correction with a well-informed strategy, ensuring that each action adheres to the fundamentals of biomechanics to produce the best results on the field or court.


Abbasabadi, K. (2022, April 1). The effect of stroke rate and fin height on boat velocity, boat stability, and athlete kinematics in rowing.

Farzan, S., Bitar, S., Co-Advisor, Cuneo, J., & Ebadi, A. (2023). Small size soccer robots.

Hegi, H., Heitz, J. F., & Ralf Kredel. (2023). Sensor-based augmented visual feedback for coordination training in healthy adults: A scoping review. Frontiers in Sports and Active Living, 5.


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Week 8 Assignment:
Find a common error made in a sport of your choice by researching the web. Explain how you would follow the process outlined in this lecture to analyze the athlete’s movement and correct the error.

A Common Error Made in a Sport

A Common Error Made in a Sport

Describe four principles of biomechanics and how they tie into the technique required for the example.

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