Tetsuo Fukunaga
Biographic Data
| ID | 4319027 |
|---|---|
| NAME | Tetsuo Fukunaga |
| GIVEN NAMES | Tetsuo |
| FAMILY NAME | Fukunaga |
| SIGNATURE | FUKUNAGA T |
| AFFILIATIONS | National Institute of Fitness and Sports in Kanoya |
| VERIFIED | No |
| TOTAL WORKS | 7 |
| TOTAL CITATIONS | 0 |
| WORKS AS AUTHOR | 7 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 1989 |
| LATEST PUBLICATION YEAR | 2011 |
| H-INDEX | 0 |
Methodological Issues Related to Thickness-Based Muscle Size Evaluation
The purpose of this study was to highlight the issues related to thickness-based muscle size evaluation that is commonly done in field studies. The cross-sectional area, thickness (the vertical distance from the upper end of the elbow flexors to that of the humerus) and width (the horizontal distance from the left to the right end of the elbow flexors) of the elbow flexors at levels from the reference site (60% of the upper arm length from the ac…
Variability of limb muscle size in young men
The purpose of this study was to determine the interindividual variability of the upper and lower limb muscle size in young men. Subjects were 655 Japanese men aged 18-39 years. They were sedentary and mildly to highly active individuals, including college athletes of various sports. Muscle thicknesses at each of the anterior and posterior portions of the upper arm, thigh, and lower leg were measured using B-mode ultrasonography. Interindividual …
Difference in Abdominal Muscularity at the Umbilicus Level between Young and Middle-aged Men
This study aimed to examine how the muscularity of the abdomen at the umbilicus level differs between sedentary middle-aged and young men. Magnetic resonance imaging was applied to determine the cross-sectional areas of skeletal muscle, subcutaneous fat, and interperitoneal tissue in 43 middle-aged (40 58yrs) and 38 young (21-29 yrs) men. The cross-sectional area of the skeletal muscle was analyzed as the sum of those of the rectus abdominis, abd…
Upper limit of fat‐free mass in humans
If limitations exist in skeletal dimensions, fat‐free mass (FFM) might have an upper limit. To explore the upper limit to FFM, 37 professional Japanese Sumo wrestlers, 14 highly trained bodybuilders, and 26 untrained men were investigated for body composition (fat mass and FFM) and cross‐sectional areas (CSA) of limb muscles, by hydrodensitometry and ultrasound, respectively. Mean % fat of Sumo wrestlers, bodybuilders, and untrained subjects were…
Prediction equations for body composition of Japanese adults by B‐mode ultrasound
A total of 117 Japanese subjects (62 men and 55 women) volunteered for the study. Subcutaneous adipose tissue (AT) and muscle thicknesses were measured by B‐mode ultrasonography at nine sites of the body. Body density (BD) was determined the hydrodensitometry. Reproducibility of thickness measurements by ultrasonography was high (r = 0.96–0.99). Correlations between AT thickness and BD ranged from −0.46 (gastrocnemius) to −0.87 (abdomen) for male…
The limb composition in the growing generation
本研究では7歳から18歳までの男子127名,女子124名を対象に,超音波法により体肢の筋および皮下脂肪断面積を測定し,それらにおける発育変化について検討した。男子の場合に,皮下脂肪断面積は7歳から12歳にかけて増加し,12歳から14歳の間では減少するが,15歳以降は再び増加した。女子の皮下脂肪断面積は,7歳から11歳までほとんど変化せず,11歳から14歳の間に急激に増加し,15歳以降はほぼ一定であった。筋断面積は男子では7歳から18歳まで年齢が進むにつれ増加するが,女子では上腕が14歳まで,他の部位が16,17歳まで増加がみられた。皮下脂肪および筋断面積における性差は13歳以降に顕著となった。筋に対する皮下脂肪の面積比は男子の場合に12歳から14歳にかけて減少したが,他の年齢ではほとんど変化がみられなかった。女子のそれは7歳から12歳にかけて減少し,12歳から15歳の間では増加し,15歳以降はほぼ一定であった。このことは男子では7歳から12歳,14歳から18歳の各年齢間では皮下脂肪断面積…
The Muscle Strength of Japanese Children in Relation to Relative Growth
The pourpose of this study was to investigate the ralative growth of muscle strength to body height as well as muscle area. Subjects were 141 boys and 130 girls from 6 to 19 years old. Maximum isometric strengths of flexion and extension at elbow and knee were measured by using Cybex II isokinetic dynamometer. Cross-sectional areas of the flexor and the extensor muscles in upper arm as well as thigh were measured by using ultrasonic apparatus. Mu…
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The limb composition in the growing generation
本研究では7歳から18歳までの男子127名,女子124名を対象に,超音波法により体肢の筋および皮下脂肪断面積を測定し,それらにおける発育変化について検討した。男子の場合に,皮下脂肪断面積は7歳から12歳にかけて増加し,12歳から14歳の間では減少するが,15歳以降は再び増加した。女子の皮下脂肪断面積は,7歳から11歳までほとんど変化せず,11歳から14歳の間に急激に増加し,15歳以降はほぼ一定であった。筋断面積は男子では7歳から18歳まで年齢が進むにつれ増加するが,女子では上腕が14歳まで,他の部位が16,17歳まで増加がみられた。皮下脂肪および筋断面積における性差は13歳以降に顕著となった。筋に対する皮下脂肪の面積比は男子の場合に12歳から14歳にかけて減少したが,他の年齢ではほとんど変化がみられなかった。女子のそれは7歳から12歳にかけて減少し,12歳から15歳の間では増加し,15歳以降はほぼ一定であった。このことは男子では7歳から12歳,14歳から18歳の各年齢間では皮下脂肪断面積…
The Muscle Strength of Japanese Children in Relation to Relative Growth
The pourpose of this study was to investigate the ralative growth of muscle strength to body height as well as muscle area. Subjects were 141 boys and 130 girls from 6 to 19 years old. Maximum isometric strengths of flexion and extension at elbow and knee were measured by using Cybex II isokinetic dynamometer. Cross-sectional areas of the flexor and the extensor muscles in upper arm as well as thigh were measured by using ultrasonic apparatus. Mu…
Upper limit of fat‐free mass in humans
If limitations exist in skeletal dimensions, fat‐free mass (FFM) might have an upper limit. To explore the upper limit to FFM, 37 professional Japanese Sumo wrestlers, 14 highly trained bodybuilders, and 26 untrained men were investigated for body composition (fat mass and FFM) and cross‐sectional areas (CSA) of limb muscles, by hydrodensitometry and ultrasound, respectively. Mean % fat of Sumo wrestlers, bodybuilders, and untrained subjects were…
Prediction equations for body composition of Japanese adults by B‐mode ultrasound
A total of 117 Japanese subjects (62 men and 55 women) volunteered for the study. Subcutaneous adipose tissue (AT) and muscle thicknesses were measured by B‐mode ultrasonography at nine sites of the body. Body density (BD) was determined the hydrodensitometry. Reproducibility of thickness measurements by ultrasonography was high (r = 0.96–0.99). Correlations between AT thickness and BD ranged from −0.46 (gastrocnemius) to −0.87 (abdomen) for male…
Difference in Abdominal Muscularity at the Umbilicus Level between Young and Middle-aged Men
This study aimed to examine how the muscularity of the abdomen at the umbilicus level differs between sedentary middle-aged and young men. Magnetic resonance imaging was applied to determine the cross-sectional areas of skeletal muscle, subcutaneous fat, and interperitoneal tissue in 43 middle-aged (40 58yrs) and 38 young (21-29 yrs) men. The cross-sectional area of the skeletal muscle was analyzed as the sum of those of the rectus abdominis, abd…
Variability of limb muscle size in young men
The purpose of this study was to determine the interindividual variability of the upper and lower limb muscle size in young men. Subjects were 655 Japanese men aged 18-39 years. They were sedentary and mildly to highly active individuals, including college athletes of various sports. Muscle thicknesses at each of the anterior and posterior portions of the upper arm, thigh, and lower leg were measured using B-mode ultrasonography. Interindividual …
Methodological Issues Related to Thickness-Based Muscle Size Evaluation
The purpose of this study was to highlight the issues related to thickness-based muscle size evaluation that is commonly done in field studies. The cross-sectional area, thickness (the vertical distance from the upper end of the elbow flexors to that of the humerus) and width (the horizontal distance from the left to the right end of the elbow flexors) of the elbow flexors at levels from the reference site (60% of the upper arm length from the ac…
Medicine (6 works) · Anatomy (4 works) · Body Composition Measurement Techniques (4 works) · Internal Medicine (3 works) · Nutrition and Health in Aging (3 works) · Abdomen (2 works) · Biology (2 works) · Children's Physical and Motor Development (2 works) · Nuclear medicine (2 works) · Sports Performance and Training (2 works)