Default result metrics in ForceDecks iOS – VALD Knowledge Base

The following metrics are displayed by default when testing in the ForceDecks app.

To learn how to change the metrics displayed for each ForceDecks test type, see Customize displayed metrics in ForceDecks iOS.

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Jump tests
Isometric tests
Balance tests
Functional tests

Jump

Abalakov Jump (ABCMJ)

Jump Height (Imp-Mom)	cm	The height of a jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
RSI-modified	-	The modified reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contraction time.
Eccentric Peak Velocity	m/s	The fastest downward velocity during the eccentric phase (at the start of eccentric deceleration).
Eccentric Deceleration Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time from the start of eccentric deceleration until the end of the eccentric phase.
Countermovement Depth	cm	The distance the individual moves down from the starting position to the lowest point of the countermovement.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Peak Landing Force – Asymmetry	%	The difference between the left and right sides in the highest force recorded during landing.

Countermovement Jump (CMJ)

Jump Height (Imp-Mom)	cm	The height of a jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
RSI-modified	-	The modified reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contraction time.
Eccentric Peak Velocity	m/s	The fastest downward velocity during the eccentric phase (at the start of eccentric deceleration).
Eccentric Deceleration Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time from the start of eccentric deceleration until the end of the eccentric phase.
Countermovement Depth	cm	The distance the individual moves down from the starting position to the lowest point of the countermovement.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Peak Landing Force – Asymmetry	%	The difference between the left and right sides in the highest force recorded during landing.

Countermovement Jump - Loaded (LCMJ)

Jump Height (Imp-Mom)	cm	The height of a jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
RSI-modified	-	The modified reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contraction time.
Eccentric Peak Velocity	m/s	The fastest downward velocity during the eccentric phase (at the start of eccentric deceleration).
Eccentric Deceleration Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time from the start of eccentric deceleration until the end of the eccentric phase.
Countermovement Depth	cm	The distance the individual moves down from the starting position to the lowest point of the countermovement.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Peak Landing Force – Asymmetry	%	The difference between the left and right sides in the highest force recorded during landing.

Countermovement Rebound Jump (CMRJ)

First Jump Height (Imp-Mom)	cm	The height of the first jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
Rebound Contact Time	ms	The time the individual remains in contact with the plates during the rebound phase.
Rebound Jump Height (Imp-Mom)	cm	The height of the rebound jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
Rebound RSI (JH (Flight Time) / Contact Time)	-	The reactive strength index (RSI) score for the rebound, calculated by dividing jump height (from flight time) by contact time.

Drop Jump (DJ)

RSI (JH (Flight Time) / Contact Time)	-	The reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contact time.
Jump Height (Imp-Mom)	cm	The height of a jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
Contact Time	s	The time the individual remains in contact with the plates.
Effective Drop	cm	The predicted drop height, calculated from the individual's velocity when landing.

Hop and Return (SLHAR)

Contact Time	s	The time the individual remains in contact with the plates.
Peak First Landing Force	N	The highest force recorded during the first landing.
Peak Takeoff Force	N	The highest force recorded during the second takeoff phase.
Time to Stabilization	s	The time from landing until force stabilizes.

Hop Test (HJ)

Mean RSI (Jump Height / Contact Time)	-	The average reactive strength index (RSI) score across the selected best hops, calculated by dividing jump height (from flight time) by contact time.
Mean Jump Height (Flight Time)	cm	The average height of a jump across the selected best hops, calculated from flight time.
Mean Contact Time	ms	The average time in contact with the plates across the selected best hops.
Mean Impulse – Asymmetry	%	The difference between the left and right sides in average total force applied over time during a hop.

Single Leg Countermovement Rebound Jump (SLCMRJ)

First Jump Height (Imp-Mom)	cm	The height of the first jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
Rebound Contact Time	ms	The time the individual remains in contact with the plates during the rebound phase.
Rebound Jump Height (Flight Time)	cm	The height of the rebound jump, calculated from the time spent in the air.
Rebound RSI (JH (Flight Time) / Contact Time)	-	The reactive strength index (RSI) score for the rebound, calculated by dividing jump height (from flight time) by contact time.

Single Leg Drop Jump (SLDJ)

RSI (JH (Flight Time) / Contact Time)	-	The reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contact time.
Jump Height (Flight Time)	cm	The height of a jump, calculated from the time spent in the air.
Contact Time	s	The time the individual remains in contact with the plates.
Effective Drop	cm	The predicted drop height, calculated from the individual's velocity when landing.
Peak Impact Force	N	The highest force recorded immediately after landing contact.

Single Leg Hop Test (SLHJ)

Mean RSI (JH (Flight Time) / Contact Time)	-	The average reactive strength index (RSI) score across the selected best hops, calculated by dividing jump height (from flight time) by contact time.
Mean Jump Height (Flight Time)	cm	The average height of a jump across the selected best hops, calculated from flight time.
Mean Contact Time	ms	The average time in contact with the plates across the selected best hops.
Mean Impulse	Ns	The average total force applied over time during a hop, across the selected best hops.

Single Leg Jump (SLJ)

Jump Height (Imp-Mom)	cm	The height of a jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
Eccentric Deceleration Impulse	Ns	The total net force applied over time from the start of eccentric deceleration until the end of the eccentric phase.
Eccentric Peak Velocity	m/s	The fastest downward velocity during the eccentric phase (at the start of eccentric deceleration).
Countermovement Depth	cm	The distance the individual moves down from the starting position to the lowest point of the countermovement.
Concentric Impulse	Ns	The total net force applied over time from the start of the concentric phase to takeoff.
RSI-modified	-	The modified reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contraction time.

Squat Jump (SJ)

Jump Height (Imp-Mom)	cm	The height of a jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
RSI-modified	-	The modified reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contraction time.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Contraction Time	s	The time the individual remains on the ground from the start of movement until takeoff.
Peak Power / BM	W/kg	The highest power produced during the movement, divided by body mass, assuming zero starting velocity.

Squat Jump - Loaded (LSJ)

Jump Height (Imp-Mom)	cm	The height of a jump, calculated using impulse-momentum (the change in velocity calculated from force applied during the contact phase).
RSI-modified	-	The modified reactive strength index (RSI) score, calculated by dividing jump height (from flight time) by contraction time.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Contraction Time	s	The time the individual remains on the ground from the start of movement until takeoff.
Peak Power / BM	W/kg	The highest power produced during the movement, divided by body mass, assuming zero starting velocity.

Isometric

Isometric Belt Squat (IBSQT)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Isometric Mid-Thigh Pull (IMTP)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Isometric Push Up (ISOPU)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Isometric Squat Hold (ISOSQT)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Isometric Test (ISOT)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Run-Specific Ankle Iso-Push (RSAIP)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Run-Specific Hip Iso-Push (RSHIP)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Run-Specific Knee Iso-Push (RSKIP)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Seated Isometric Calf Raise (SEICR)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Shoulder ISO-I (SHLDISOI)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Shoulder ISO-T (SHLDISOT)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Shoulder ISO-Y (SHLDISOY)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Hamstring 30/30 Isometric (SLHTTI)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Hamstring 60/60 Isometric (SLHSSI)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Hamstring 90/20 Isometric (SLHNTI)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Hamstring 90/90 Isometric (SLHNNI)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Isometric Mid-Thigh Pull (SLIMTP)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Isometric Squat Hold (SLISOSQT)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Seated Isometric Calf Raise (SLSEICR)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Leg Standing Isometric Calf Raise (SLSTICR)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Single Limb Isometric Test (SLISOT)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Standing Isometric Calf Raise (STICR)

Peak Vertical Force	N	The highest vertical force recorded during the test.
Peak Vertical Force / BM	N/kg	The highest vertical force recorded during the test relative to the individual's body mass.
RFD at 100ms	N/s	The rate of increase of force during the first 100 milliseconds after movement starts.
Force at 100ms	N	The force recorded 100 milliseconds after movement starts.
Start Time to 80% Net Peak Force	s	The time from the start of movement until 80% of net peak vertical force is reached.

Balance

Quiet Stand (QSB)

CoP Range, Medial-Lateral – Bilateral	mm	The maximum side-to-side distance covered by the combined centre of pressure from both left and right plates.
CoP Range, Anterior-Posterior – Bilateral	mm	The maximum forwards-and-backwards distance covered by the combined centre of pressure from both left and right plates.
Area of CoP Ellipse	mm²	The area of the smallest oval that contains 95% of the recorded centre of pressure points.
Mean Velocity	mm/s	The average speed of movement of the centre of pressure.
Mean Force – Asymmetry	%	The difference between the left and right sides in average force during the test.

Single Leg Range of Stability (SLROSB)

CoP Range, Medial-Lateral	mm	The maximum side-to-side distance between centre of pressure points.
CoP Range, Anterior-Posterior	mm	The maximum forwards-and-backwards distance between centre of pressure points.
Area of CoP Ellipse	mm²	The area of the smallest oval that contains 95% of the recorded centre of pressure points.
Mean Velocity	mm/s	The average speed of movement of the centre of pressure.

Single Leg Stand (SLSB)

CoP Range, Medial-Lateral	mm	The maximum side-to-side distance between centre of pressure points.
CoP Range, Anterior-Posterior	mm	The maximum forwards-and-backwards distance between centre of pressure points.
Area of CoP Ellipse	mm²	The area of the smallest oval that contains 95% of the recorded centre of pressure points.
Mean Velocity	mm/s	The average speed of movement of the centre of pressure.

Functional

Land and Hold (LAH)

Time to Stabilization – Bilateral Total	s	The time from landing until the combined force from both left and right plates stabilizes.
Peak Drop Landing Force – Asymmetry	%	The difference between the left and right sides in the highest force recorded during a drop landing.
Peak Drop Landing Force – Bilateral Total	N	The highest combined force recorded from both left and right plates during a drop landing.

Plyometric Push Up (PPU)

Push Up Height (Flight Time)	cm	The distance individual rises during the flight phase, calculated from the time spent in the air.
Eccentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the eccentric phase.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Takeoff Peak Force / BM	N/kg	The highest force recorded during takeoff, relative to the individual's body mass.
Peak Landing Force – Asymmetry	%	The difference between the left and right sides in the highest force recorded during landing.

Push Up (PUSHUPT)

Push Up Depth	cm	The distance the individual moves down to the lowest point of the push up.
Eccentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the eccentric phase.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Eccentric Mean Velocity	m/s	The average downward velocity during the eccentric phase.
Concentric Mean Velocity	m/s	The average upward velocity during the concentric phase.

Single Leg Land and Hold (SLLAH)

Time to Stabilization	s	The time from landing until force stabilizes.
Peak Drop Landing Force	N	The highest force recorded during a drop landing.
Peak Drop Landing Force / BW	N/kg	The highest force recorded during a drop landing, relative to the individual's body weight.

Single Leg Squat (SLSQT)

Eccentric Impulse	Ns	The total net force applied over time during the eccentric phase of the movement.
Eccentric Peak Velocity	m/s	The fastest downward velocity during the eccentric phase (at the start of eccentric deceleration).
Squat Depth	cm	The distance the individual moves down to the lowest point of a squat.
Concentric Impulse	Ns	The total net force applied over time from the start of the concentric phase to takeoff.
Concentric Peak Velocity	m/s	The highest vertical velocity reached just before takeoff during the concentric phase.

Sit to Stand to Sit (STSTS)

Time to Stand	s	The time from the start of standing until the individual has stabilized in the standing position.
Mean Standing Force – Asymmetry	%	The difference between the left and right sides in average force during the standing movement phase.
Mean Sitting Force – Asymmetry	%	The difference between the left and right sides in average force during the sitting movement phase.
Time to Sit	s	The time from the start of sitting until the movement ends.

Squat Assessment (SQT)

Eccentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the eccentric phase.
Squat Depth	cm	The distance the individual moves down to the lowest point of a squat.
Concentric Impulse – Asymmetry	%	The difference between the left and right sides in total net force applied over time during the concentric phase.
Eccentric Mean Velocity	m/s	The average downward velocity during the eccentric phase.
Concentric Mean Velocity	m/s	The average upward velocity during the concentric phase.