Phys Ther Sport. 2014 Sep 9. pii: S1466-853X(14)00073-X. doi: 10.1016/j.ptsp.2014.08.009. [Epub ahead of print]
The effect of abdominal strength or endurance exercises on abdominal peak torque and endurance field tests of healthy participants: A randomized controlled trial.
Learman K1, Pintar J2, Ellis A3. Author information 1Department of Physical Therapy, Youngstown State University, One University Plaza, Youngstown, OH 44555, USA.
Electronic address: klearman@ysu.edu. 2Department of Human Performance and Exercise Science, Youngstown State University, One University Plaza, Youngstown, OH 44555, USA. 3Department of Physical Therapy, Youngstown State University, One University Plaza, Youngstown, OH 44555, USA.
Abstract
OBJECTIVE:
To compare the effects of muscular endurance and resisted strengthening protocols on abdominal strength and endurance in a sample of young subjects.
DESIGN:
Randomized Clinical Trial. SETTING: University fitness laboratory.
PARTICIPANTS:
79 healthy subjects, (45 males and 34 females) aged 23.5 ± 5.8 years.
MAIN OUTCOME MEASURES:
Measurements were taken at baseline and 12 weeks. Abdominal strength and endurance were evaluated using an isokinetic dynamometer (IKD) and four floor tests including the timed front plank (FP), angle sit (AS), sit-up (SU), and handheld dynamometer (HD).
RESULTS:
Multivariate analysis revealed no between group differences for the outcomes or group × time interaction (P = 0.52 and P = 0.31 respectively). The univariate within group analysis was significant for SU P = .001, HD rectus P = .007, HD oblique P = .005, and for the IKD peak eccentric torque P = .025.
A 12-week intervention program addressing endurance or strength did not produce between-group differences over a control group of routine activity maintenance.
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