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An 8-Stage Model for Evaluating the Tennis Serve

Tennis serves depend on glenohumeral position during the cocking stage: 7° of horizontal adduction from the coronal plane places the glenohumeral joint anterior to the coronal plane (Figure 12). 29 There is increased contact pressure between the supraspinatus/infraspinatus and the posterior glenoid (internal impingement) in cadavers with the abducted, externally rotated shoulder. 45 This hyperabduction position is a risk factor in the throwing shoulder. 30 Premature dropping of the tossing ...

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Exercise Programming for Tennis - Planes, Stances, Movement ...

Planes of Motion. There are 3 planes of motion (figure 1) - sagittal, frontal and transverse. Tennis demands movement in all of these planes - and at times, multiple planes simultaneously. Every time you hit a groundstroke, you’re primarily working the transverse plane (i.e. you’re rotating).

(PDF) Ball spin in the tennis serve: Spin rate and axis of ...

The spin axis and ball velocity vector were close to perpendicular regardless of serve type. Mean angles between the spin axis and the horizontal plane (elevation angles) were 65.6 degrees (+/- 10 ...

Tennis Serve Plane And Axis - Image Results

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Biomechanics of the Tennis Serve: Implications for Strength ...

STROKES (SERVES, FOREHANDS, AND BACKHANDS) AND THE SPECIFIC TRAINING METHODS NEEDED FOR OPTIMAL PERFORMANCE OF THESE STROKES. IN FACT, MOST OF THE BIOMECHANICS LITERATURE SPECIFIC TO TENNIS HAS FOCUSED ON THE AREAS OF PERFORMANCE, PHYSICAL STRESS, AND EQUIPMENT DESIGN. THIS REVIEW WILL FOCUS ON THE GAME'S MOST IMPORTANT STROKE, THE SERVE, AND RECOMMEND SPECIFIC STRENGTH TRAINING EXERCISES TO ...

Biomechanics of the Tennis Serve

The tennis serve is one of the most complex movements in regards to mechanics. With the amount of force required to generate power from the ground up, it is truly a movement that requires the full kinetic chain. Depending on what research you read, the tennis serve is broken down into approximately 8 stages. Stage 1- Body Positioning: The idea ...

Tennis Physics: Anatomy of a Serve - Popular Mechanics

The Strike. On a 120-mph serve, the ball is in contact with the racquet strings for about 5 milliseconds, moving up to 5 in. laterally across the string plane, gathering spin. The tip of the ...

A Biomechanically Based Observational Tennis Serve Analysis ...

grading tennis serve mechanics among tennis players using the national tennis ranking program commonly used in the United States to evaluate level of tennis play. The first study demonstrated that reliability of the OTSA ranged from 0.36-1.0 across the nodes, with five out of the nine nodes displaying substantial reliability (>0.61).

Understanding Planes and Axes of Movement

takes place in a plane about an axis. There are three axes of rotation. Sagital axis Frontal axis Vertical axis The sagital axis passes horizontally from posterior to anterior and is formed by the intersection of the sagital and transverse planes. The frontal axis passes horizontally from left to right and is formed by the

Planes and axes of movement - Movement analysis in sport ...

Plane – sagittal, as there is flexion and extension of the knees, elbows, neck and spine. Axis – frontal, as there is rotation around a line running from left to right through the centre of ...