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What Trackers and Indicators are Available with DTL (Down the Line)?

(As of May 2026) With the option to record videos from DTL, we have a new series of trackers and indicators available for users to use.

Trackers available: 

  • Pelvis Thrust: Forward/backward movement of the pelvis, it is set to 0 at address. It is negative when the pelvis is more back from the ball than at address and positive when more forward, towards the ball than at address.

  • Chest Thrust: Forward/backward movement of the chest, it is set to 0 at address. It is negative when the chest is more back from the ball than at address and positive when more forward, towards the ball than at address.

  • Head Thrust (3D Pro): Forward/backward movement of the head, it is set to 0 at address. It is negative when the head is more back from the ball than at address and positive when more forward, towards the ball than at address.

  • Hand Thrust: The forward/backward movement of your hands. It is set to 0 at address. It is negative when your hands are moved backward, away from the ball and positive when there's more movement towards the ball, with respect to their position at address.

  • Club Head Thrust: Forward/backward movement of the clubhead, it is set to 0 at address. It is negative when the clubhead is more back from the ball than at address and positive when more forward, towards the ball than at address

  • Club Head to Hand Thrust Gap (3D Pro): The ahead or behind position of the clubhead with respect to the hands. A negative number indicates the clubhead is behind the hands and a positive number indicates the clubhead is ahead of the hands from a down-the-line view.

  • Pelvis Turn: Turn of the pelvis. It is negative when your hips are turned away from the target and positive when your hips are turned towards the target.

  • Chest Turn: Turn of the chest. It is negative when your chest is turned away from the target and positive when your chest is turned towards the target.

  • X-Factor (3D Pro): The turn (in degrees) of the chest with respect to the pelvis, if chest is more open to the target than the chest it is positive, otherwise negative.

  • Pelvis Side Bend (3D Pro): The sideways bend (side tilt) of your pelvis/hips. Horizontal is zero tilt to the trail side is positive, otherwise negative.

  • Chest Side Bend (3D Pro): The sideways bend (side tilt) of your chest. Horizontal is zero tilt to the trail side is positive, otherwise negative.

  • Lead Knee Flexion (3D Pro): Angle created by your knee closest to the target — this area is between the upper leg and lower leg on the lead side. 180 degrees indicates a straight leg and anything less than 180 would indicate a bend of that knee.

  • Trail Knee Flexion (3D Pro): Angle created by your knee farthest away from the target — this area is between the upper leg and lower leg on the lead side. 180 degrees indicates a straight leg and anything less than 180 would indicate a bend of that knee.

  • Lead Elbow Flexion (3D Pro): Angle created by your elbow closest to the target — this area is between the upper elbow and lower elbow on the lead side. 180 degrees indicates a straight elbow and anything less than 180 would indicate a bend of that elbow.

  • Trail Elbow Flexion (3D Pro): Angle created by your elbow farthest away from the target — this area is between the upper and lower arm on the lead side. 180 degrees indicates a straight elbow and anything less than 180 would indicate a bend of that elbow.

  • Chest Bend (3D Pro): The forward/backward bend (tilt) of your chest. Vertical is zero and forward is positive, backward is negative.

  • Hand Speed (3D Pro): The linear speed of a mid-point between the hands, on the shaft. This is a resultant speed so it is always positive.

  • Shaft Angle DTL (3D Pro): Angle of the club shaft from down-the-line view. The shaft is at O degrees when it's pointing down, perpendicular to the ground. It is negative when the club head is behind the hands and positive when the club head is ahead of the hands. 

  • Swing Direction (3D Pro): The angle between the impact zone swing plane, projected onto the ground, and the golfer's stance angle (ankle-to-ankle line). For a positive value indicates an in-to-out swing direction and a negative value indicates an out-to-in swing direction with respect to the stance.

  • Tempo (3D Pro): The value obtained when one number is divided by another.
  •  Gain Factors (3D Pro): The ratio of the amount of angular speed between two segments in the kinematic sequence.  
  • Max Speeds (3D Pro): The maximum value of angular speed (d/s) in the backswing or downswing for the kinematic sequence. 

     

Indicators available:

  • Chest Turn @ ADDRESS: The number of degrees the chest is turned towards (positive) or away (negative) from the target at address.
  • Chest Turn @ TOP: The number of degrees the chest is turned towards (positive) or away (negative) from the target at top of backswing. 
  • Chest Turn @ DAH: The amount of chest turn at downswing arm parallel.
  • Chest Turn @ IMPACT: The number of degrees the chest is turned towards (positive) or away (negative) from the target at impact.
  • Chest Turn @ BACKSWING: The maximum difference of turn, in degrees, of the chest in the backswing
  • Pelvis Turn @ ADDRESS: The number of degrees the pelvis is turned towards (positive) or away (negative) from the target at address. 
  • Pelvis Turn @ TOP: The number of degrees the pelvis is turned towards (positive) or away (negative) from the target at top of backswing. 
  • Pelvis Turn @ DAH: The amount of pelvis turn at downswing arm parallel.
  • Pelvis Turn @ IMPACT: The number of degrees the pelvis is turned towards (positive) or away (negative) from the target at impact. 
  • Pelvis Turn @ BACKSWING: The maximum difference of turn, in degrees, of the pelvis in the backswing
  • X-Factor @ IMPACT: The difference in turn, in degrees, between the chest and the pelvis at impact. 
  • X-Factor Stretch: The change in X-Factor in degrees from pelvis transition (backswing to downswing) to the maximum X-Factor value. 
  • X-Factor @ BACKSWING: the maximum difference of turn, in degrees, between the chest and the pelvis in the backswing
  • Chest Side Bend @ ADDRESS:  The sideways bend (side tilt) of your chest at address. When it is negative, your chest tilt is towards the target and when it is positive, your body's chest tilt is away from the target. 
  •  Chest Side Bend @ TOP: The sideways bend (side tilt) of your chest at top of backswing. When it is negative, your chest tilt is towards the target and when it is positive, your body's chest tilt is away from the target. 
  •  Chest Side Bend @ IMPACT: The sideways bend (side tilt) of your chest at impact. When it is negative, your chest tilt is towards the target and when it is positive, your body's chest tilt is away from the target. 
  •  Chest Side Bend FollowThru Max: The maximum amount of chest side bend following impact (between impact to finish)
  • Pelvis Side Bend @ ADDRESS: The sideways bend (side tilt) of your pelvis at address. When it is negative, your pelvis tilt is towards the target and when it is positive, your body's pelvis tilt is away from the target. 
  • Pelvis Side Bend @ TOP: The sideways bend (side tilt) of your pelvis at top of backswing. When it is negative, your pelvis tilt is towards the target and when it is positive, your body's pelvis tilt is away from the target. 
  • Pelvis Side Bend @ IMPACT: The sideways bend (side tilt) of your pelvis at impact. When it is negative, your pelvis tilt is towards the target and when it is positive, your body's pelvis tilt is away from the target. 
  • Chest Bend @ ADDRESS: The forward (positive)/backward (negative) bend of your chest at address. 
  • Chest Bend @ TOP:  The forward (positive)/backward (negative) bend of your chest at top of backswing. 
  • Chest Bend @ IMPACT: The forward (positive)/backward (negative) bend of your chest at impact. 
  •  Shaft DTL Angle @ ADDRESS: The down the line shaft angle from the ground at address. 
  • Shaft DTL Angle @ IMPACT: The down the line shaft angle from the ground at impact
  • Shaft DTL Angle Difference @IMPACT: The difference between the DTL shaft angle at ADR versus the shaft angle at IMP. Shows how much the shaft has been raised or dropped from ADR to IMP. 
  • Shaft Angle vs. Shldr Plane DCV: The amount the club shaft is above (steep) or below (shallow) the shoulder plane at downswing club vertical. 
  • Shaft DTL Angle at Downswing Vertical: The down the line shaft angle from the vertical when the club is at downswing club vertical (DCV) position. 
  •  Shaft DTL Angle at Backswing Vertical: The down the line shaft angle from the vertical when the club is at backswing club vertical (BCV) position. 
  • Chest Thrust @ TOP: How much the chest has moved away or toward the ball at top of backswing from where it was at address. Positive is toward the ball, negative is away.
  • Chest Thrust @ IMPACT: How much the chest has moved away or toward the ball at impact from where it was at address. Positive is toward the ball, negative is away.
  •  Club Thrust @ TOP: How much the clubhead has moved away or toward the ball at top of backswing from where it was at address. Positive is toward the ball, negative is away. 
  •  Club Thrust @ IMPACT:  How much the clubhead has moved away or toward the ball at impact from where it was at address. Positive is toward the ball, negative is away.  
  •  Club-Hand Diff BCH: The ahead or behind position of the clubhead with respect to the hands. A negative number indicates the clubhead is behind the hands and a positive number indicates the clubhead is ahead of the hands from a down-the-line view at backswing club horizontal. (Pro-Driver: men's avg.= 2.7in, women's avg.= 2.0in, Pro-Iron: men's avg.= 1.5in, women's avg.= 0.4in) 
  •  Club-Hand Diff DCH: The ahead or behind position of the clubhead with respect to the hands. A negative number indicates the clubhead is behind the hands and a positive number indicates the clubhead is ahead of the hands from a down-the-line view at downswing club horizontal. (Pro-Driver: men's avg.= 4.3in, women's avg.= -3.7in, Pro-Iron: men's avg.= 0in, women's avg.= -1.7in) 
  •  Club-Hand Diff FCH: The ahead or behind position of the clubhead with respect to the hands. A negative number indicates the clubhead is behind the hands and a positive number indicates the clubhead is ahead of the hands from a down-the-line view follow through club horizontal. (Pro-Driver: men's avg.= 0.8in, women's avg.= 3.5in, Pro-Iron: men's avg.= 0.6in, women's avg.= 0.6in) 
  • Hand Thrust @ TOP: How much the hands have moved away or toward the ball at top of backswing from where it was at address. Positive is toward the ball, negative is away.
  • Hand Thrust @ IMPACT: How much the hands have moved away or toward the ball at impact from where it was at address. Positive is toward the ball, negative is away.
  • Club Head Thrust @ TOP: How much the clubhead has moved away or toward the ball at top of backswing from where it was at address. Positive is toward the ball, negative is away.
  • Club Head Thrust @ IMPACT: How much the clubhead has moved away or toward the ball at impact from where it was at address. Positive is toward the ball, negative is away.
  • Pelvis Thrust @ TOP: How much the pelvis has moved away or toward the ball at top of backswing from where it was at address. Positive is toward the ball, negative is away.
  • Pelvis Thrust @ IMPACT: How much the pelvis has moved away or toward the ball at impact from where it was at address. Positive is toward the ball, negative is away.
  •  Core Gain Factor: The ratio of the max chest turn speed to the max pelvis turn speed.
  •  Wrist Gain Factor: The ratio of the max shaft swing speed to the max lead arm swing speed. 
  •  Shoulder Gain Factor:  The ratio of the max lead arm swing speed to the max chest turn speed.
  •  Arm Speed Max: The maximum lead upperarm swing speed in the downswing. 
  •  Chest Turn Speed Max:  The maximum chest turn speed in the downswing. 
  •  Shaft Speed Max: The maximum angular shaft speed in the downswing.
  •  Pelvis Turn Speed Max:  The maximum pelvis turn speed in the downswing.