Doug Eng
United States
Coach
Biomechanics researcher and tennis coach combining scientific analysis with practical instruction.
Tennis coach and biomechanics analyst.
Video Library (64 videos)
| Name |
FPS |
Duration |
The Three Service Rhythms: Part 2 (10 of 16)
Doug Eng’s serve contact animation from the baseline, filmed from a side CourtLevel angle. His shoulder line and trunk are visibly stacked and then uncoiled through contact, with the hitting-side shoulder dropping as the chest rotates toward the net in a clearly sequenced motion.
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4.6s |
Improving Your Service Rhythm (11 of 13)
Doug Eng's serve from a central baseline position, filmed from a side CourtLevel angle. His shoulder line turns well past 90 degrees relative to the net while the trunk coils around a stable pelvis, then uncoils in sequence from legs to hips to torso to shoulder during the upward swing.
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10.6s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (10 of 11)
Doug Eng's two-handed backhand from the center of the baseline, filmed from a side angle. His follow-through finishes high with the racket wrapping around his lead shoulder as his weight transfers fully onto his front foot and he quickly returns his non-hitting hand toward a neutral ready position.
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4.1s |
The Three Service Rhythms: Part 2 (11 of 16)
Doug Eng's serve from a balanced stance, filmed from a side animation view. His hips stay centered over a stable base as his knees flex and extend in rhythm, with the leg drive timed so the hips uncoil upward without the torso drifting outside the width of his feet.
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3.6s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (11 of 11)
Doug Eng's two-handed backhand from a neutral baseline position, filmed from a side angle. At contact his racket face is almost perfectly vertical with the ball struck around waist height, and the racket head accelerates on a slightly upward path through the hitting zone.
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4.5s |
Improving Your Service Rhythm (12 of 13)
Doug Eng’s serve from the deuce side, filmed from a rear court-level angle. After contact he lets his hitting arm fully unwind down across his body while his back leg steps through into the court, bringing him quickly into a balanced, two-handed ready position.
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16.2s |
The Three Service Rhythms: Part 2 (12 of 16)
Doug Eng’s serve from a central baseline position, filmed from a side CourtLevel angle. At contact his racket face is slightly closed with the arm fully extended upward, and the racket head accelerates on a steep upward path past the ball to emphasize vertical racket head speed.
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3.2s |
The Three Service Rhythms: Part 2 (13 of 16)
Doug Eng’s serve from the deuce side, filmed from a court-level rear angle. His continental grip is easy to see, with a relaxed wrist that pronates aggressively through contact to accentuate racquet head acceleration.
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8.2s |
The Three Service Rhythms: Part 2 (1 of 16)
Doug Eng’s serve animation medley from center court, filmed from a mixed series of angles. His footwork patterns clearly separate the three service rhythms, with distinct differences in the tempo of the stance setup, knee bend timing, and synchronized loading of the back leg before the drive up to contact.
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7.3s |
Doug Eng: The Modern Two-Handed Backhand: Grips (1 of 16)
Doug Eng’s mixed-stroke animation sequence from a central court position, filmed from a side and partially rear court-level angle. His recovery emphasizes getting back to a neutral ready position with the non-hitting hand quickly returning to the racquet throat and weight settling evenly on both feet after each follow-through.
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3.5s |
The Three Service Rhythms (1 of 12)
Doug Eng's serve rhythm animation sequence from a neutral court position, filmed from a mixed side and rear instructional angle. The wrist action is broken into distinct phases, clearly separating the relaxed wrist lag in the loading phase from the pronation and snap through contact for each service rhythm pattern.
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11.7s |
Improving Your Service Rhythm (1 of 13)
Doug Eng’s serve from the baseline, filmed from a side angle. His hips load deeply with a clear knee bend, and you can see strong leg drive upward that initiates his hip and trunk uncoiling into the hit.
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5.5s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (1 of 11)
Doug Eng's two-handed backhand paths animation from a neutral baseline position, filmed from a side angle. His follow-throughs clearly separate the more vertical, upward finish from the more rotational, around-the-body finish, emphasizing how each pattern affects his weight transfer and recovery into a ready stance.
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5.6s |
The Modern Two-Handed Backhand: Building Your Two Hander (1 of 6)
Doug Eng's animation sequence of various strokes from center court, filmed from a side angle. You can clearly see how his hips and legs coordinate in each motion, with consistent knee bend on loading and a distinct upward leg drive that straightens through contact.
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5.8s |
The Three Service Rhythms (2 of 12)
Doug Eng's serve from a neutral position, filmed from a court-level rear angle. His shoulders rotate as a unit with the trunk into a deep coil during the trophy phase, then uncoil in a clearly sequenced motion from hips to shoulders to arm through contact.
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110.7s |
Improving Your Service Rhythm (3 of 13)
Doug Eng's first serve from the deuce court, filmed from a rear court-level angle. His continental grip stays relaxed with a noticeable wrist pronation through contact, as the racket face turns outward after impact.
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48.4s |
The Three Service Rhythms: Part 2 (2 of 16)
Doug Eng’s abbreviated serve motion from a central baseline position, filmed from a side court-level angle. His continental grip is paired with a clear wrist pronation through contact, with the racket face rotating from edge-on to square as the forearm and wrist unwind.
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5.4s |
The Modern Two-Handed Backhand: Building Your Two Hander (2 of 6)
Doug Eng's two-handed backhand animation from a neutral position, filmed from a side angle. The contact sequence emphasizes a slightly closed racket face with the hitting arm extending through contact at roughly waist to chest height, clearly tracing the racket’s path and acceleration through the ball.
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5.7s |
Doug Eng: The Modern Two-Handed Backhand: Grips (2 of 16)
Doug Eng’s two-handed backhand from a neutral baseline position, filmed from a side angle. His shoulders turn well past 90 degrees relative to the net, creating a pronounced trunk coil that then uncoils in sequence from hips to shoulders to arms through contact.
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3.6s |
The Three Service Rhythms (5 of 12)
Doug Eng’s serve from the baseline, filmed from a side court-level angle. His stance shifts from a stable platform position into a rhythmic knee bend and upward drive, with a clearly timed front-foot pivot that syncs with his tossing and hitting arm release.
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5.6s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (2 of 11)
Doug Eng's two-handed backhand from a neutral baseline position, filmed from a side angle. His semi-closed grip structure on both hands is clear, with a pronounced wrist lag on the racquet side that unwinds into a firm, stable wrist at contact.
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3s |
The Three Service Rhythms (3 of 12)
Doug Eng's serve from a stationary position, filmed from a side CourtLevel angle. His hips load with a noticeable knee bend on the back leg, then drive upward as the front hip extends and pelvis uncoils into contact.
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166.3s |
The Modern Two-Handed Backhand: Building Your Two Hander (3 of 6)
Doug Eng's two-handed backhand from a neutral baseline position, filmed from a side angle. His semi-western left-hand grip and relatively relaxed right wrist create noticeable lag on the racquet head before a sharp wrist extension into contact.
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3.9s |
Doug Eng: The Modern Two-Handed Backhand: Grips (3 of 16)
Doug Eng's two-handed backhand from the center of the baseline, filmed from a side angle. His follow-through finishes high with the racket over his front shoulder as his weight transfers onto his front foot and he quickly returns the non-hitting hand to the racket throat in a ready position.
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5.5s |
Improving Your Service Rhythm (4 of 13)
Doug Eng's serve from the baseline, filmed from a side animation angle. The racket face can be seen moving from a closed position during the drop into a more neutral angle at contact, with the ball struck slightly above head height as the racket head accelerates upward along the hitting path.
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7.1s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (3 of 11)
Doug Eng's technical animation of soldering a circuit board, filmed from a close-up overhead angle. The racket is not present in this clip; instead, the detailed view makes the soldering iron tip, contact angle, and contact duration with the component leads clearly visible for precise biomechanical analysis.
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3s |
The Three Service Rhythms: Part 2 (3 of 16)
Doug Eng’s serve from a stationary teaching position, filmed from a side court-level angle. After contact he lands with his weight moving into the court and quickly brings both hands back toward a neutral stance, illustrating a smooth transition into a ready recovery position.
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7.4s |
The Three Service Rhythms (6 of 12)
Doug Eng's serve toss variations from the baseline, filmed from a side CourtLevel angle. His shoulder line and trunk coil adjust subtly with each different tossing height, making the degree of upper body tilt and timing of trunk uncoil easy to compare across the three rhythms.
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7.3s |
The Three Service Rhythms (4 of 12)
Doug Eng's serve from a staggered starting stance, filmed from a side CourtLevel angle. His continental grip is firm but relaxed, with a clear wrist pronation through contact that starts from a laid-back position and unwinds fully toward the target.
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114.3s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (4 of 11)
Doug Eng's two-handed backhand from a neutral baseline position, filmed from a side court-level angle. His shoulders and trunk load with a pronounced coil against the hips, then uncoil in a clearly sequenced rotation that brings the hitting shoulder through well ahead of the racquet.
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3.8s |
The Three Service Rhythms: Part 2 (4 of 16)
Doug Eng's serve from a central baseline position, filmed from a side CourtLevel angle. His rhythmic footwork sequence into the pinpoint stance is clearly visible, including the synchronized knee bend and weight transfer onto the front foot before upward drive.
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6.2s |
Doug Eng: The Modern Two-Handed Backhand: Grips (4 of 16)
Doug Eng’s two-handed backhand from a central baseline position, filmed from a side angle. His footwork uses a small adjustment hop into a neutral stance, with the outside foot planting first before the front foot steps into the stroke.
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6.7s |
The Modern Two-Handed Backhand: Building Your Two Hander (4 of 6)
Doug Eng’s hitting-arm animation is presented from a neutral instructional perspective, emphasizing arm and racket motion. The sequence clearly contrasts how limited shoulder turn and trunk rotation reduce stretch across the torso compared to a more fully coiled upper body.
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5.5s |
Improving Your Service Rhythm (5 of 13)
Doug Eng's serve from a stationary position, filmed from an animation-style side angle. His follow-through carries his racket arm fully across his body while his non-hitting hand drops and his weight lands on his front foot, bringing him quickly toward a balanced ready position.
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14.2s |
Doug Eng: The 3 Service Rhythms Part 1 (7 of 12)
Doug Eng's serve from the deuce side, filmed from a side angle. His follow-through carries his racket across his body while his weight moves into the court, and he quickly returns his non-hitting hand to a balanced ready position.
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8.9s |
The Three Service Rhythms (8 of 12)
Doug Eng's serve rhythm animation from a central court position, filmed from a side angle. His footwork pattern is clearly segmented into knee bend, leg drive, and landing phases, making the timing of his weight transfer through a platform stance easy to distinguish.
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3.4s |
Improving Your Service Rhythm (6 of 13)
Doug Eng's serve with a high ball toss from a central baseline position, filmed from a rear court-level angle. His continental grip is steady with minimal grip change while his wrist stays relaxed into a deep lag position before pronating aggressively through contact.
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7s |
The Modern Two-Handed Backhand: Building Your Two Hander (5 of 6)
Doug Eng’s two-handed backhand from the baseline, filmed from a side angle. His stance shifts from a neutral setup into a slightly closed position as he plants his outside foot, with clear recovery steps back toward the center after contact.
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3.2s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (5 of 11)
Doug Eng's two-handed backhand from a neutral baseline position, filmed from a side angle. His hips stay relatively closed through the loading phase with noticeable knee flexion, then uncoil in sync with strong leg drive upward and into the court.
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6.8s |
Doug Eng: The Modern Two-Handed Backhand: Grips (5 of 16)
Doug Eng's two-handed backhand from a neutral court position, filmed from an animation-style side view. The racket face is slightly closed at contact with the ball struck around waist height, and the racket head accelerates on a low-to-high path through the hitting zone.
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4.3s |
The Three Service Rhythms: Part 2 (5 of 16)
Doug Eng’s serve from the center of the baseline, filmed from a rear court-level angle. His staggered weight shift into the court is clear as his back hip drives forward before landing on the front foot, and he finishes by bringing both hands back toward a compact ready position.
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5.8s |
Improving Your Service Rhythm (7 of 13)
Doug Eng’s abbreviated serve animation from a central serving position, filmed from a side CourtLevel angle. His exaggerated shoulder turn and trunk coil are clearly segmented, making it easy to see the timing of upper-body uncoiling relative to leg drive and racquet drop.
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6.4s |
The Modern Two-Handed Backhand: Building Your Two Hander (6 of 6)
Doug Eng’s two-handed backhand from the center of the baseline, filmed from a side angle. After contact his follow-through wraps over his front shoulder while his weight transfers onto his front foot, bringing him quickly back into a compact ready position.
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6.4s |
The Three Service Rhythms (9 of 12)
Doug Eng's serve from a stationary position, filmed from an animation-based instructional angle. His hips and legs move through a clearly segmented loading and driving sequence, with distinct knee flexion followed by upward leg extension that times with hip uncoiling into contact.
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4s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (6 of 11)
Doug Eng's two-handed backhand from the center of the baseline, filmed from a side court-level angle. His stance shifts from a semi-open to more neutral as he loads on the outside leg, with a clear split step into a compact pivot before initiating the forward swing.
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4.6s |
Doug Eng: The Modern Two-Handed Backhand: Grips (6 of 16)
Doug Eng's two-handed backhand from a neutral position, filmed from an animation-style side angle. His hips stay closed longer through the loading phase as his knees flex deeply, then his rear leg drives upward and forward to initiate hip rotation into contact.
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4.4s |
The Three Service Rhythms: Part 2 (6 of 16)
Doug Eng's serve from a staggered stance at the baseline, filmed from a side angle. His hips load with a clear rear-hip sit and pronounced knee bend before driving upward, with the front leg bracing to stop hip rotation and transfer momentum up the kinetic chain.
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6s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (7 of 11)
Doug Eng's two-handed backhand from the center of the baseline, filmed from a side angle. His hips stay closed longer during the loading phase with a deep knee bend, then uncoil in sync with an aggressive leg drive upward and into the court.
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2.5s |
The Three Service Rhythms: Part 2 (7 of 16)
Doug Eng’s serve from a stationary position, filmed from an animation-style instructional angle. The animation emphasizes how his shoulder line stays closed as the trunk coils over a deep knee bend, then uncoils in sequence from the legs through the hips and torso into the hitting shoulder.
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3.6s |
The Three Service Rhythms (10 of 12)
Doug Eng's serve from a central position, filmed from an animated side-view angle. His follow-through brings the racquet down across his body while his weight transfers onto his front foot, finishing in a balanced stance ready for the next movement.
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3.8s |
Improving Your Service Rhythm
Doug Eng's forehand from a staggered stance in the center of the baseline, filmed from a side angle. His hips stay closed longer during the loading phase while the back knee bends deeply, then both legs extend to drive the hips forward into contact.
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13.4s |
Improving Your Service Rhythm (8 of 13)
Doug Eng's serve from a staggered stance in the deuce court, filmed from a side CourtLevel angle. His shoulders rotate well past perpendicular to the baseline in the trophy phase, then the trunk uncoils sequentially from hips to shoulders to arm, clearly separating hip and shoulder rotation before racket acceleration.
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7s |
Doug Eng: The Modern Two-Handed Backhand: Grips (8 of 16)
Doug Eng's forehand drop shot from the middle of the court, filmed from a side angle. His compact adjustment steps into the ball lead into a semi-open stance, with a subtle forward weight transfer as he softens the swing for the drop shot.
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5.2s |
The Three Service Rhythms: Part 2 (8 of 16)
Doug Eng's serve from the center of the baseline, filmed from a side CourtLevel angle. His deep knee bend and pronounced hip hinge into the loading phase make it easy to see how his legs drive up and forward into the landing.
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5.3s |
Improving Your Service Rhythm (9 of 13)
Doug Eng’s serve from a stationary practice position, filmed from a side CourtLevel angle. His continental grip stays relaxed with a clear wrist pronation through contact, and you can see the racket head whip upward as the wrist snaps from a laid-back position into full extension.
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8.3s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (8 of 11)
Doug Eng’s two-handed backhand from the center of the baseline, filmed from a side CourtLevel angle. His semi-western bottom hand and continental top hand grips are clearly visible, with a pronounced wrist lag in the takeback that unwinds into a firm, stable wrist position at contact.
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4.9s |
The Three Service Rhythms (11 of 12)
Doug Eng's serve from a central baseline position, filmed from a side CourtLevel angle. At contact his racket face is slightly tilted forward with the ball struck just above full extension, and the racket head accelerates on a steep upward path along the right side of his body.
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6.7s |
The Three Service Rhythms (12 of 12)
Doug Eng's serve rhythm animation from a central court position, filmed from a side angle. The racket’s contact point is illustrated with a slightly closed face and a clear upward swing path through impact, emphasizing how racket head speed builds into the strike zone.
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11.7s |
Doug Eng: The Modern Two-Handed Backhand: Two Paths to Power (9 of 11)
Doug Eng's two-handed backhand from the baseline, filmed from a side angle. His shoulders rotate well past 90 degrees relative to the net on the unit turn, then the trunk uncoils ahead of the arm swing, illustrating clear separation between hip and shoulder rotation.
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4.9s |
Doug Eng: The Modern Two-Handed Backhand: Grips (9 of 16)
Doug Eng’s two-handed backhand from a neutral baseline position, filmed from a rear court-level angle. At contact, the racket face is nearly square to the ball with the contact point slightly in front of his lead hip, and the racket head accelerates on a low-to-high path with the tip tracking up and across his body.
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6.2s |
Improving Your Service Rhythm (10 of 13)
Doug Eng’s serve from the baseline, filmed from an animation-style instructional angle. The racket face can be seen moving from a closed position during the drop into a more neutral angle at contact, with the ball struck at full extension slightly in front of his lead shoulder to emphasize upward racket head speed.
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8.5s |
The Three Service Rhythms: Part 2 (9 of 16)
Doug Eng’s serve stance animation from the center of the baseline, filmed from a side CourtLevel angle. The racket stays relatively still in his hand at the start while the body initiates the motion, emphasizing a clear separation between lower-body loading and the moment the racket begins its upward swing.
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6.5s |
Doug Eng: The Serve: Developing Leg Action (1 of 1)
Doug Eng's serve from a central baseline position, filmed from a rear angle. His continental grip is evident with a relaxed hand, and you can clearly see the forearm-to-wrist pronation driving the racquet head through contact.
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2.7s |
Doug Eng: The Modern Two-Handed Backhand: Grips (7 of 16)
Doug Eng's slice from a neutral court position, filmed from an animation-style side angle. His continental grip is clearly visible, with a stable, slightly laid-back wrist that stays firm through contact to keep the racquet face consistently open.
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4.4s |
