Relationship Between Great Toe Strength And Symptoms of Chemotherapy-Induced Peripheral Neuropathy (CIPN)

Eligibility Criteria for Chemotherapy-Induced Peripheral Neuropathy (CIPN) group: Inclusion Criteria: * At least 18 years of old with the ability to independently raise and low (extend or flex) the great toe * Able to consent and complete questionnaires in English independently and have normal to corrected vision (self-reported) * Within 3 - 6 months of starting chemotherapy and a confirmed diagnosis of CIPN using the current clinical reference standard of Nerve conduction study. Exclusion Criteria: * Comorbidities including but not limited to diabetes, arthritis, hypertension, thyroid disease, and heart disease, . that have been reported to be associated with the incidence of peripheral neuropathy and/or progression of CIPN. * Toe deformities or impairments not caused by CIPN (including but not limited to hallux valgus/varus, hallux limitus, hallux rigidus, hammer toe deformity, claw toe, bunions, webbed toes) * Self-reported impairment or impact on the strength of the foot, ankle, and/or great toe due to past medical or surgical history. Eligibility Criteria for Healthy Control group: The participants recruited for this group will be age- and sex- matched to the CIPN group * Inclusion Criteria: * At least 18 years of old with the ability to independently raise and low (extend or flex) the great toe * Able to consent and complete questionnaires in English independently and have normal to corrected vision (self-reported) * No known health conditions that have been reported to be associated with different impairements in mobility, balance, and muscle strength (particularly in the lower extremity)