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Related Experiment Video

Updated: Jul 12, 2025

Measurement of Spatial Stability in Precision Grip
09:36

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Do Grip Strength Dynamometer Readings Improve After Cervical Spine Surgery?

Scott L Zuckerman1,2,3, Jacob L Goldberg2, Meghan Cerpa3

  • 1Department of Neurologic Surgery, Vanderbilt University Medical Center, Nashville, TN, USA.

Global Spine Journal
|October 21, 2023
PubMed
Summary
This summary is machine-generated.

Cervical spine surgery improved grip strength in 42% of patients, with those having radiculopathy showing better outcomes than myelopathy. Anterior cervical discectomy and fusion (ACDF) predicted improvement.

Keywords:
anterior cervical discectomy and fusionanterior corpectomycervical spine surgerydynamometergrip strength

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Area of Science:

  • Neurosurgery
  • Orthopedics
  • Hand Surgery

Background:

  • Assessing hand function perioperatively in cervical spine surgery patients presents challenges.
  • Grip strength is a key indicator of hand function, yet objective perioperative assessment remains difficult.

Purpose of the Study:

  • To evaluate grip strength changes after cervical spine surgery using a hand dynamometer.
  • To differentiate grip strength improvements between patients with radiculopathy-only versus myelopathy.
  • To identify predictors of enhanced grip strength post-surgery.

Main Methods:

  • A retrospective cohort study analyzed data from 262 patients undergoing cervical spine surgery between 2015 and 2018.
  • Hand grip strength was measured preoperatively and at three postoperative intervals (0-3, 3-6, and 6-12 months).
  • Surgical procedures included anterior cervical discectomy and fusion (ACDF), corpectomy, laminoplasty, and posterior cervical fusion.

Main Results:

  • Overall, 42% of patients (110/262) demonstrated a grip strength improvement of ≥10 lbs.
  • Patients with radiculopathy-only had a higher improvement rate (54%) compared to those with myelopathy (31%).
  • Anterior cervical discectomy and fusion (ACDF) was associated with increased likelihood of grip strength improvement (OR 2.53, P = .005). Older age (OR = .97, P = .003) and laminoplasty (OR = .44, P = .014) were associated with less improvement.

Conclusions:

  • Grip strength significantly improved in 42% of patients following cervical spine surgery.
  • Patients with cervical radiculopathy experienced greater grip strength improvement compared to those with cervical myelopathy.
  • Surgery at lower cervical levels (C2/3-C5/6 and C6/7-T1/2) showed significant grip strength gains within 3 months postoperatively.