Low-Intensity Mechanical Stimulation for Hematologic Malignancy Patients

Inclusion Criteria:

* COHORT I: Meet eligibility criteria for first autologous or allogeneic HCT (patients with preexisting osteoporosis are eligible)
* COHORT I: Scheduled to undergo an autologous or allogeneic HCT
* COHORT 1: \>= 18 years of age
* COHORT 1: Patient must understand the investigational nature of this study and sign an institutional review board approved written informed consent form prior to receiving any study related procedure

  \- COHORT II: ≥ 18 years of age
* COHORT II: Diagnosis of non-Hodgkin lymphoma (specifically diffuse large B-cell lymphoma, follicular lymphoma, mantle cell lymphoma, chronic lymphocytic leukemia; patients with preexisting osteoporosis are eligible)
* COHORT II: Patient must understand the investigational nature of this study and sign an Institutional Review Board approved written informed consent form prior to receiving any study related procedure

Exclusion Criteria:

COHORT 1:

* Any prior allogeneic HCT
* Any prior autologous HCT for those patients who have a planned auto HCT
* Pre-transplant weight \>= 275 lbs. (max weight for the board)
* Body mass index (BMI) \< 18 kg/m\^2
* Recipient of cord blood transplant
* Multiple myeloma or amyloidosis diagnosis
* History of a central nervous system (CNS) hemorrhage \< 60 days
* History of any aneurysm (cerebral, aortic, etc.)
* A recent pulmonary embolism or deep vein thrombosis
* A cardiac pacemaker
* Prior history of non-traumatic (spontaneous) fracture
* Total joint replacement (any joint)
* History of kidney stones or gall stones within the last 2 years unless a cholecystectomy was performed
* Any prosthetic lower extremity or limb
* Pregnant or nursing female patients
* Unwilling or unable to follow protocol requirements
* Any condition which in the Investigator's opinion deems the patient an unsuitable candidate to receive study intervention

COHORTII:

* Planned CAR T-cell therapy within the next 2 months
* Prior CAR T-cell therapy
* Active treatment within the last 60 days
* Pre-transplant weight ≥ 275 lbs. (max weight for the board)
* BMI \< 18 kg/m\^2
* History of a CNS hemorrhage \< 60 days
* History of any aneurysm (cerebral, aortic, etc.)
* A recent pulmonary embolism or deep vein thrombosis
* A cardiac pacemaker
* Recent history (\< 60 days) of non-traumatic (spontaneous) fracture
* Recent surgery (\< 60 days)
* Pregnant or nursing female patients
* Unwilling or unable to follow protocol requirements
* Any condition which in the investigator's opinion deems the patient an unsuitable candidate to receive study intervention