Measuring the force perception in knee flexor/ extensor muscles in patients with anterior cruciate ligament injury and healthy subjects. 2022

Bahram Amirshakeri, and Minoo Khalkhali Zavieh, and Mandana Rezaei, and Hakimeh Adigozali
Physiotherapy Department, Faculty of Rehabilitation Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.

BACKGROUND Force perception as a contributor to the neuromuscular control of the knee joint may be altered after anterior cruciate ligament (ACL) injury. OBJECTIVE This study aimed to compare the force perception accuracy in the knee joints of patients with ACL injury and healthy subjects. METHODS Twenty-six patients with ACL injury and 26 healthy subjects participated in this case-control study. Participants were asked to produce 50% of the maximum voluntary isometric contraction of the knee muscles as a target force and reproduce it in their limbs in flexion and extension directions. RESULTS There were significant interactions between group and condition as well as group, condition, and limb in the force perception error respectively (P< 0.05). The highest amount of error was seen in the contralateral limb of the ACL injury group when the reference force was produced in the injured limb (P< 0.05). CONCLUSIONS The findings revealed that the force perception accuracy in the knee flexor/extensor muscles of individuals with ACL injury is impaired. Moreover, error is most evident when the patient produces force in the injured limb and replicates it in the uninjured limb in both flexion and extension directions. Therefore, the rehabilitation programs should encompass neuromuscular training in both quadriceps and hamstrings after ACL injury.

UI MeSH Term Description Entries
D007719 Knee Joint A synovial hinge connection formed between the bones of the FEMUR; TIBIA; and PATELLA. Superior Tibiofibular Joint,Joint, Knee,Joint, Superior Tibiofibular,Knee Joints,Superior Tibiofibular Joints,Tibiofibular Joint, Superior
D010465 Perception The process by which the nature and meaning of sensory stimuli are recognized and interpreted. Sensory Processing,Processing, Sensory
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000070598 Anterior Cruciate Ligament Injuries Sprain or tear injuries to the ANTERIOR CRUCIATE LIGAMENT of the knee. ACL Injuries,ACL Tears,Anterior Cruciate Ligament Injury,Anterior Cruciate Ligament Tear,Anterior Cruciate Ligament Tears,ACL Injury,ACL Tear,Injuries, ACL,Injury, ACL,Tear, ACL,Tears, ACL
D016022 Case-Control Studies Comparisons that start with the identification of persons with the disease or outcome of interest and a control (comparison, referent) group without the disease or outcome of interest. The relationship of an attribute is examined by comparing both groups with regard to the frequency or levels of outcome over time. Case-Base Studies,Case-Comparison Studies,Case-Referent Studies,Matched Case-Control Studies,Nested Case-Control Studies,Case Control Studies,Case-Compeer Studies,Case-Referrent Studies,Case Base Studies,Case Comparison Studies,Case Control Study,Case Referent Studies,Case Referrent Studies,Case-Comparison Study,Case-Control Studies, Matched,Case-Control Studies, Nested,Case-Control Study,Case-Control Study, Matched,Case-Control Study, Nested,Case-Referent Study,Case-Referrent Study,Matched Case Control Studies,Matched Case-Control Study,Nested Case Control Studies,Nested Case-Control Study,Studies, Case Control,Studies, Case-Base,Studies, Case-Comparison,Studies, Case-Compeer,Studies, Case-Control,Studies, Case-Referent,Studies, Case-Referrent,Studies, Matched Case-Control,Studies, Nested Case-Control,Study, Case Control,Study, Case-Comparison,Study, Case-Control,Study, Case-Referent,Study, Case-Referrent,Study, Matched Case-Control,Study, Nested Case-Control
D018482 Muscle, Skeletal A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles. Anterior Tibial Muscle,Gastrocnemius Muscle,Muscle, Voluntary,Plantaris Muscle,Skeletal Muscle,Soleus Muscle,Muscle, Anterior Tibial,Muscle, Gastrocnemius,Muscle, Plantaris,Muscle, Soleus,Muscles, Skeletal,Muscles, Voluntary,Skeletal Muscles,Tibial Muscle, Anterior,Voluntary Muscle,Voluntary Muscles
D064368 Healthy Volunteers Persons with no known significant health problems who are recruited to participate in research to test a new drug, device, or intervention as controls for a patient group. (from http://clinicalcenter.nih.gov/recruit/volunteers.html, accessed 2/14/2013) Healthy Participants,Healthy Subjects,Human Volunteers,Normal Volunteers,Healthy Participant,Healthy Subject,Healthy Volunteer,Human Volunteer,Normal Volunteer,Participant, Healthy,Participants, Healthy,Subject, Healthy,Subjects, Healthy,Volunteer, Healthy,Volunteer, Human,Volunteer, Normal,Volunteers, Human,Volunteers, Normal

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