The Effects of Spinal Manipulation on Thigh Muscle Strength

NCT02407418 | Completed

• 1 other identifier: 12-0280-F1V
• Study Type: interventional
• Target: 21
• Locations: 0 countries
• Sites: N/A

Brief Summary

The purpose of this study was to investigate the effects of chiropractic low back adjustments on thigh muscle strength. Force production was measured during different types of muscle contractions with a device called an isokinetic dynamometer. The study included 21 college-aged subjects who did not have any pain and had never received chiropractic treatment with spinal manipulation. During two separate sessions, subjects' thigh muscle forces were recorded while performing maximal muscle contractions on the isokinetic dynamometer. Baseline measurements of muscle force were acquired before either treatment form of spinal manipulation or a sham spinal manipulation, followed by identical muscle force measurements within five and twenty minutes post-treatment.

Conditions

Subluxation of Joint of Lumbar Spine

Keywords

spinal manipulation; muscle strength dynamometer; muscle strength

Outcome Measures

Primary Outcomes (1)

• Changes in isometric and isokinetic peak torques compared to baseline

  Peak torque measurements were recorded in newton meters (Nm) while subjects performed maximal voluntary contractions of concentric knee extension and flexion during a randomized protocol of isometric and isokinetic contractions, all of which measured with an isokinetic dynamometer

  Baseline peak torque measurements were acquired before either treatment form of lumbosacral manipulation or sham manipulation, followed by identical peak torque measurements recorded within 5 minutes and at 20 minutes post-treatment

Study Arms (2)

Spinal Manipulation

ACTIVE COMPARATOR

In a repeated measures, crossover design, all subjects received spinal manipulation during the second or third session. The selection of spinal manipulation or sham was randomized.

Other: Spinal Manipulation

Sham Manipulation

SHAM COMPARATOR

In a repeated measures, crossover design, all subjects received the sham manipulation during the second or third session. The selection of spinal manipulation or sham was randomized.

Other: Sham Manipulation

Interventions

Spinal Manipulation OTHER

Side-posture, high-velocity low-amplitude spinal manipulation targeting the lumbar spine and sacroiliac joints

Spinal Manipulation

Sham Manipulation OTHER

A simulated lumbar spine manipulation in which no vertebral contact was made

Sham Manipulation

Eligibility Criteria

• Age: 20 Years - 35 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Between the ages of 20 to 35 years
• Asymptomatic with regard to low back, pelvic or lower extremity pain

You may not qualify if:

• Previously received spinal manipulation from a chiropractor or other health care provider
• Contraindications to lumbar spine manipulation (such as fractures, lumbar disc herniation, abdominal aortic aneurysm or cauda equina syndrome)

Sponsors & Collaborators

• Grant Sanders: lead

Related Publications (41)

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MeSH Terms

Interventions

Manipulation, Spinal

Intervention Hierarchy (Ancestors)

Musculoskeletal Manipulations; Physical Therapy Modalities; Therapeutics; Rehabilitation

Study Officials

• Grant D Sanders, D.C.

  University of Kentucky

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: PARTICIPANT
• Purpose: BASIC SCIENCE
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: SPONSOR INVESTIGATOR
• PI Title: Sponsor/Investigator

Study Record Dates

• First Submitted: March 23, 2015
• First Posted: April 3, 2015
• Study Start: April 1, 2012
• Primary Completion: December 1, 2012
• Study Completion: December 1, 2012
• Last Updated: April 3, 2015

Record last verified: 2015-03