Dootchai Chaiwanichsiri | PubMed Health

PubMed2006

Effects of imagery-weight exercise.

OBJECTIVE: To study the effects of imagery-weight exercise on muscle strength. MATERIAL AND METHOD: Preliminary study of a before and after designed experiment was conducted at the Department of Rehabilitation Medicine, King Chulalongkorn Memorial Hospital, Bangkok, from June to September 2004. Fifteen healthy sedentary volunteers: 5 males, 10 females, mean age 28.7 +/- 3.5 years were enrolled The participants were instructed to perform imagery-weight exercise training with their non-dominant arms. The program consisted of 3 sets of 10 repetitions of elbow flexion, 3 days/week, for 8 weeks. The arm muscles strength were assessed with computerized isotonic machine. One-Repetition Maximum (1-RM) at before and after the training program, was compared RESULTS: The mean 1-RM of elbow flexors increased by 44.9% (from 6.78 +/- 2.10 kg to 9.83 +/- 2.32 kg, p = 0.000). The mean 1-RM of elbow extensors increased by 32.0% (from 4.03 +/- 1.98 kg to 5.33 +/- 2.32 kg, p = 0.000). CONCLUSION: Imagery-weight exercise is another effective technique of low impact strength training.

Adult↗

PubMed2005

Star excursion balance training: effects on ankle functional stability after ankle sprain.

OBJECTIVES: To study the effects of Star Excursion Balance training on functional stability of athletes with ankle sprain. MATERIAL AND METHOD: Thirty-two male athletes with grade 2 ankle sprain, aged 15-22 years old were enrolled. They were random sampling into training group (n=15) and control group (n=17). All received conventional physical therapy program for 4 weeks. The training group also underwent the Star Excursion Balance training 3 days per week for 4 weeks. Single leg stance time (SLST) was assessed at pre- and post-training. Re-injuries were recorded during 3 months follow-up. RESULTS: After the program, subjects from both groups demonstrated significant improvement in SLST The training group gained SLST of the injured sides 2 times more than the control group (p = 0.002 tested with eyes closed, p = 0. 007 tested with eyes open), and also improved the SLST during eyes closed of the normal sides (p = 0.015). Re-injuries were found in 1/15 of the training group and 2/17 of the control group. CONCLUSION: Star Excursion Balance training is more effective than the conventional therapy program in improving functional stability of the sprained ankle.

Adolescent↗