Online ISSN : 1881-4751
Print ISSN : 0039-906X
ISSN-L : 0039-906X
34 巻 , 4 号
  • 三村 寛一, 上林 久雄
    1985 年 34 巻 4 号 p. 201-210
    発行日: 1985/08/01
    公開日: 2010/09/30
    ジャーナル フリー
    幼児の一日の運動量を知るために, 5才~6才の男女4名 (運動能力テストの上位の者男女各1名ずつ, 下位の者男女各1名ずつ) について, 心拍メモリーによる心拍数および行動観察を連続して測定した結果, 次の所見を得た.
    1.一日の総心拍数は138109拍 (95.9拍/分) ~161847拍 (112.5拍/分) の範囲を示し, 運動能力テストの上位の者ほど少ない心拍数を示した.
    2.一日の生活を睡眠, 家庭生活, 園生活の3区分に分類すると, 各被験者ともに睡眠時間で最も低い平均心拍数 (67.9~93.3拍/分) を示し, しかも最も小さい変動であった.続いて家庭生活 (112.1~121.4拍/分) , 最後ひご園生活が最も高い値 (122.8~135.4拍/分) を示した.
    3.運動能力テストの上位の者は, 下位の者に比べて, 総心拍数は少ないが, 園生活の体育あそび, 屋外の自由あそびにおいて, 高い心拍数を示した.一方, 行動観察からみると, 屋外での自由あそびの時間が多く, 特に自転車乗り, なわとび, ボールあそびといった移動遊具を使ったあそびが多くみられた.
    4.最大酸素摂取量に対する割合と心拍数の関係についてみると, 各被験者ともに高い相関がみられた.この結果とあそびの種類の関係から運動能力の上位の者は, 屋外で強い運動強度のあそびが多くみられ, 下位の者は少なかった,
    5.被験者全員に共通した生活区分である睡眠時間の心拍数は, 変動の幅も少なく安定した値を示しており, 運動能力上位の者は下位の者に比べ, 男女ともに低い平均心拍数を示していることより, 睡眠時における生理学的な問題が残るが, 覚醒時での心拍数との関係をみる手がかりを得た. (なお, 本研究は第39回日本体力医学会において発表した.)
  • 山本 順子, 跡見 順子, 八田 秀雄
    1985 年 34 巻 4 号 p. 211-217
    発行日: 1985/08/01
    公開日: 2010/09/30
    ジャーナル フリー
    Ventilation threshold (VET), threshold of decompensated metabolic acidosis (TDMA) and lactate threshold (LT1, LT2) were investigated during incremental bicycle exercise for 20 boys (11.7±0.1 years) and 10 girls (11.2±0.2 years) .
    Maximum oxygen uptake (VO2max) was measured by treadmill running. There was significant difference between boys and girls in VO2max per body weight, but no signif-icant difference per LBM. Mean values of each threshold (% peak VO2) were as follows. VET was 53.3±2.2%, TDMA was 69.0±2.2%, LT1was 51.8±2.2% and LT2was 72.8±2.2%. These values were not higher than those of previous adult's data. There was no significant difference in lactate and ventilatory parameters between boys and girls, except LT2and LT4mM.
    In conclusion, it seems that no difference is seen in lactate and ventilatory responses between 9-12 year boys and girls. VET and TDMA by bicycle exercise could be estimated by ventilatory responses in prepubertal children.
  • 徳田 修司, 飯干 明, 尾辻 省悟
    1985 年 34 巻 4 号 p. 218-224
    発行日: 1985/08/01
    公開日: 2010/09/30
    ジャーナル フリー
    Serum creatine kinase (CK) activity and myoglobin (Mb) level showed biphasic changes due to transient weight training. The first peak appeared within one day and the second peak appeared within several days after training.
    We investigated the characteristics of each peak by measuring the total CK and CK isoenzymes (CK-MM, -MB, -BB) activities.
    The results were as follows:
    1) The first peak of Mb level appeared sooner than that of total CK activity. In two untrained subject, the second peak of total CK activity and Mb level were higher than the first peak.
    2) The CK activity within four hours after training was that of CK-MM. CK-MB and -BB activities did not appear immediately after training, but they appeared within one day after training. CK-MB activity showed the highest value on the fifth day, and CK-BB activity was highest on the seventh day. Appearance of CK-BB activity was more apparent in the untrained than in the trained subjects.
    3) The mean ratio of CK-MB activity to total CK activity was 5.3 % on the fifth day, and that of CK-BB activity was 2.9 % on the seventh day. These ratios were the highest among ratios in the post-training period.
    It is suggested that the first peak represents a transient enzyme leakage into the blood stream, as the result of damaged muscles, especially in untrained subjects, while the second peak which appeared within several days after training represents, at least to some extent, the participation of ontogenetic muscle regeneration.
  • 宮井 泰三
    1985 年 34 巻 4 号 p. 225-230
    発行日: 1985/08/01
    公開日: 2010/09/30
    ジャーナル フリー
    The protein in urine from high-school male students before and after exercise was measured by TONEIN-TP method and ASPRO-GP method.
    1. The total protein in urine was measured by using the TONEIN-TP method.
    In comparison with before physical load, the total protein was increased after physical load.
    2. Though ASPRO-GP method is used as the method that determine serum mucoprotein, this time it was made better as the method that determine minute amount of urinary mucoprotein immediately.
    This method is more available, because it is able to determine more simply and rapidly.
    3. The coefficient of correlation between the total protein concentration by the TONEIN-TP method and that add the albumin concentration to the acid soluble glycoprotein concentration by ASPRO-GP method was nice, and they were much almost the same.
    Increase of urinary total protein after physical load is caused by increase of acid soluble glycoprotein and albumin.
    4. From the above results, though TONEIN-TP methvd is effective to measure physical load after exercise, ASPRO-GP method is more effective to measure by increase of mucoprotein.
  • 宮田 浩文, 佐渡山 亜兵, 勝田 茂
    1985 年 34 巻 4 号 p. 231-238
    発行日: 1985/08/01
    公開日: 2010/09/30
    ジャーナル フリー
    陸上競技選手の右外側広筋における等尺性収縮中の筋電位伝導速度と, その筋線維組成の関係について検討した.被検者の筋線維組成は短距離走者群が平均69.2%FT線維 (男子12名) であり, 長距離走者群は39.7%FT線維 (男子7名) であった.
    1) 外側広筋の筋電位伝導速度は2つの表面筋電位信号のゼロクロス時間差により計測した.その結果, 脚伸展による収縮力を最大筋力 (MVC) の25%から100%まで増すことにより, 伝導速度は短距離走者群では平均4.40から4.84m/sec, また長距離走者群では平均3.91から4.31m/secまでS字状に増加した.両者の間には有意な伝導速度の差が認められた.
    2) 伝導速度と%FT線維との相関係数は25, 50, 75および100%MVCの各収縮レベルにおいて, それぞれ0.59, 0.63, 0.64および0.84であった.
    3) 50%MVCの持続にともなう伝導速度の変化は, 短距離走者群が平均4.77から4.38m/secへと直線的に低下したのに対し, 長距離走者群のそれは4.11から3.96m/secへと最終ステージにおいてのみ低下した.
    これらの結果より, 伝導速度の個人的なちがいは筋線維組成によるもので, FT線維の比率の高い筋ほど伝導速度が速いこと, また伝導速度の変化は筋線維の動員様式に依存することが明らかになった.
  • 1985 年 34 巻 4 号 p. 239-244
    発行日: 1985/08/01
    公開日: 2010/09/30
    ジャーナル フリー