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Isokinetic knee-extension peak torque of 260% body mass, limb symmetry
measures of >90% in both jump and strength outcomes, performance of >17
cm in SL CMJ (Single-legged countermovement jump) are the measures of complete rehabilitation in ACLR patients.
Anterior Cruciate
Ligament Reconstruction (ACLR) patients with >17 cm (±4 cm) SL CMJ performance,
isokinetic knee-extension peak torque of 260% body mass and with >90% limb symmetry measures in both jump and
strength outcomes recover entirely as per a recent cross-sectional study. This
study was conducted to obtain significant evidence with regards to patients
rehabilitation after ACLR. The isokinetic dynamometry and counter-movement jump
measurement were done to (a) to identify measures that can be best
distinguishable between control and ACLR participants (b) to get normative
values for recognized measures among young adult male multidirectional
field-sport athletes.
One hundred and
eight young male multidirectional field-sport athletes with approximately six
months prior unilateral patellar-tendon graft ACLR and forty-four males with no
previous knee injury were taken for the analysis. The intervention involved was
SL CMJ (Single-legged countermovement jump). The groups were compared for
flexion torque, SL CMJ and mean peak concentric knee-extension by using
isokinetic dynamometry (ISO). The best predictors of ACLR or control group were
identified by using stepwise logistic regression. The predictors involved were
SL CMJ height, joint power contribution,
ISO peak torque, limb symmetry index, limb symmetry index variables and
peak power.
A significant
difference between the groups was seen with regards to SL CMJ performance (d
> 0.4), isokinetic knee-extension
peak torque (d = -1.33) and limb symmetry measures in both jump and ISO
outcomes (d > 1.1). The group
membership of SL CMJ and ISO measures
combination found with an accuracy of 89%. By gaining resulted values, ACLR
patients can recover completely.
J Athl Train
Countermovement Jump and Isokinetic Dynamometry as Measures of Rehabilitation Status After Anterior Cruciate Ligament Reconstruction.
Edwenia O'Malley et al.
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