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Overhead Squat

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Overview

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Events

MetricData TypeDescription
InitiationIntthe start of the squat
Descent StartIntthe start of downward movement
BottomIntthe instant of maximum squat depth
Bottom1Intthe first instance of maximum squat depth
Ascent StartIntthe start of upward movement
EndIntthe end of the movement

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Phases and Stages of the Squat

PhaseStageStartEndEvent or Phase
PreparationSetupInitiationDescent StartPhase
DescentEccentricDescent StartBottomPhase
AscentConcentricBottomEndPhase

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Discrete Metrics

MetricData TypeUnitsDescription
Right Valgus BottomFloatmetersRight knee valgus at bottom position
Left Valgus BottomFloatmetersLeft knee valgus at bottom position
Right Valgus Eccentric FullFloatmetersMaximum right knee valgus during eccentric phase
Left Valgus Eccentric FullFloatmetersMaximum left knee valgus during eccentric phase
Right Valgus Concentric FullFloatmetersMaximum right knee valgus during concentric phase
Left Valgus Concentric FullFloatmetersMaximum left knee valgus during concentric phase
Eccentric Hip-Knee DominanceFloatratioHip-knee dominance during eccentric phase (0=hip dominant, 1=knee dominant)
Concentric Hip-Knee DominanceFloatratioHip-knee dominance during concentric phase (0=hip dominant, 1=knee dominant)
DepthFloatmetersVertical displacement of pelvis from start to bottom
Max Trunk AngleFloatdegreesMaximum trunk angle relative to vertical
Wrist Past FeetIntN/AWhether wrists move beyond feet (1) or not (0)
Bottom TimeFloatsecondsTime spent at bottom position
ContinuousIntN/AWhether squat is continuous (1) or has pause (0)
Eccentric VelocityFloatm/sAverage velocity during eccentric phase
Concentric VelocityFloatm/sAverage velocity during concentric phase
Vertical Hip Lower Than Vertical KneeIntN/AWhether hips go below knees (1) or not (0)
Vertical Hip Lower Than Vertical Knee DistanceFloatmetersDistance between hip and knee at bottom
Hands BackIntN/AWhether hands stay behind feet (1) or not (0)
Trunk Tibia ParallelIntN/AWhether trunk and tibia are parallel (1) or not (0)
Trunk Tibia AngleFloatdegreesAngle between trunk and tibia
Hips Feet StationaryIntN/AWhether hips and feet remain stationary (1) or not (0)
Knees TrackIntN/AWhether knees track properly (1) or not (0)
Left Peak Hip FlexionFloatdegreesMaximum left hip flexion angle
Right Peak Hip FlexionFloatdegreesMaximum right hip flexion angle
Left Peak Knee FlexionFloatdegreesMaximum left knee flexion angle
Right Peak Knee FlexionFloatdegreesMaximum right knee flexion angle
Left Peak Ankle FlexionFloatdegreesMaximum left ankle flexion angle
Right Peak Ankle FlexionFloatdegreesMaximum right ankle flexion angle
Left Peak Hip Flexion Velocity EccentricFloatdegrees/sMaximum left hip flexion velocity during eccentric phase
Right Peak Hip Flexion Velocity EccentricFloatdegrees/sMaximum right hip flexion velocity during eccentric phase
Left Peak Knee Flexion Velocity EccentricFloatdegrees/sMaximum left knee flexion velocity during eccentric phase
Right Peak Knee Flexion Velocity EccentricFloatdegrees/sMaximum right knee flexion velocity during eccentric phase
Left Peak Ankle Flexion Velocity EccentricFloatdegrees/sMaximum left ankle flexion velocity during eccentric phase
Right Peak Ankle Flexion Velocity EccentricFloatdegrees/sMaximum right ankle flexion velocity during eccentric phase
Peak COM Velocity EccentricFloatm/sMaximum center of mass velocity during eccentric phase
Left Peak Hip Extension Velocity ConcentricFloatdegrees/sMaximum left hip extension velocity during concentric phase
Right Peak Hip Extension Velocity ConcentricFloatdegrees/sMaximum right hip extension velocity during concentric phase
Left Peak Knee Extension Velocity ConcentricFloatdegrees/sMaximum left knee extension velocity during concentric phase
Right Peak Knee Extension Velocity ConcentricFloatdegrees/sMaximum right knee extension velocity during concentric phase
Left Peak Ankle Extension Velocity ConcentricFloatdegrees/sMaximum left ankle extension velocity during concentric phase
Right Peak Ankle Extension Velocity ConcentricFloatdegrees/sMaximum right ankle extension velocity during concentric phase
Peak COM Velocity ConcentricFloatm/sMaximum center of mass velocity during concentric phase

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Notes

  • All angular measurements follow ISB conventions
  • Kinematic data typically captured at 240Hz for Squatting