BeFreed
    Categories>Health>少年野球の肘を守る!親ができる3ステップの新常識

    少年野球の肘を守る!親ができる3ステップの新常識

    18 min
    |
    |
    7 avr. 2026
    HealthEducationScience

    子供の投球障害が激増する中、球数制限だけでは防げないリスクが潜んでいます。肩甲骨や股関節といった全身の連動性に注目し、科学的根拠に基づいた「壊れない体」を作るための具体的なケア方法をLenaとEliが詳しく解説します。

    少年野球の肘を守る!親ができる3ステップの新常識

    Meilleure citation de 少年野球の肘を守る!親ができる3ステップの新常識

    “

    「フォームが良くても、投げすぎれば壊れる」というのが今のスポーツ科学の明確な結論です。1日や1週間の球数制限を守るだけでなく、年間100イニングという『危険ライン』を意識し、親が合算投球数を把握しておくことが子供の未来を守ることに繋がります。

    ”

    Cette leçon audio a été créée par un membre de la communauté BeFreed

    Question posée

    My son does a lot of throwing in baseball and sometimes I’m worried about his arm. Can you tell me about the risks and arm care?

    Voix des présentateurs
    Lenaplay
    Eliplay
    Style d'apprentissage
    Approfondi
    Sources de connaissances
    Moneyball
    Good for a Girl
    This Is Your Brain on Sports
    The Yankee Way
    Shattered
    Built from Broken

    Foire aux questions

    Découvrir plus

    Fix hip mobility and shoulder injuries

    Fix hip mobility and shoulder injuries

    PLAN D'APPRENTISSAGE

    Fix hip mobility and shoulder injuries

    This learning plan is essential for athletes and sedentary professionals alike who struggle with persistent joint pain or restricted movement. It provides a comprehensive roadmap from understanding anatomical foundations to implementing long-term injury prevention habits.

    1 h 37 m•3 Sections
    Master Tennis: Mind Control & Fear Reduction

    Master Tennis: Mind Control & Fear Reduction

    PLAN D'APPRENTISSAGE

    Master Tennis: Mind Control & Fear Reduction

    Mental blocks often prevent talented players from reaching their full potential during competitive matches. This plan is designed for tennis players of all levels who want to replace performance anxiety with elite-level focus and clutch execution.

    2 h 43 m•4 Sections
    Be a Better Parent

    Be a Better Parent

    PLAN D'APPRENTISSAGE

    Be a Better Parent

    This plan is essential for parents seeking to move beyond reactive discipline toward a relationship-based approach rooted in developmental science. It is ideal for caregivers at any stage, from early childhood through the teenage years, who want to foster resilience and emotional health in their children.

    2 h 1 m•4 Sections
    Air ball

    Air ball

    PLAN D'APPRENTISSAGE

    Air ball

    This plan is designed for basketball players struggling with consistency and shooting anxiety. By combining technical form correction with mental toughness training, it provides a holistic approach to becoming a reliable scorer in any game situation.

    1 h 41 m•4 Sections
    Sports mentality

    Sports mentality

    PLAN D'APPRENTISSAGE

    Sports mentality

    This plan is essential for athletes and high-performers who struggle with performance anxiety or inconsistency. It provides the psychological toolkit needed to bridge the gap between physical talent and championship-level execution.

    2 h 39 m•4 Sections
    Teen Mind & Body Mastery

    Teen Mind & Body Mastery

    PLAN D'APPRENTISSAGE

    Teen Mind & Body Mastery

    The teenage years are a critical period of brain development and physical transformation that shapes your entire future. This learning plan provides science-based strategies to help teens navigate mental, emotional, physical, and social changes with confidence. It's perfect for any teenager who wants to optimize their growth, build essential life skills, and become the best version of themselves.

    2 h 56 m•4 Sections
    Tennis

    Tennis

    PLAN D'APPRENTISSAGE

    Tennis

    This comprehensive tennis program is designed for players at any level who want to go beyond just hitting balls and develop into complete, competitive athletes. Whether you're a beginner seeking proper foundations or an intermediate player ready to break through performance plateaus, this plan integrates technical skills with the mental game and strategic thinking that separates good players from great ones.

    1 h 45 m•4 Sections
    To be a pro footballer

    To be a pro footballer

    PLAN D'APPRENTISSAGE

    To be a pro footballer

    This plan is essential for aspiring athletes who want to bridge the gap between amateur play and professional standards. It provides a holistic approach by combining physical skill-building with mental mastery and career navigation.

    2 h 36 m•4 Sections

    Cree par des anciens de Columbia University a San Francisco

    BeFreed rassemble une communauté mondiale de 1,000,000 esprits curieux
    Decouvrez comment BeFreed est discute sur le web

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    Cree par des anciens de Columbia University a San Francisco

    BeFreed rassemble une communauté mondiale de 1,000,000 esprits curieux
    Decouvrez comment BeFreed est discute sur le web

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star
    1.5K Ratings4.7
    Commencez votre parcours d'apprentissage, maintenant
    BeFreed App
    BeFreed

    Apprenez n'importe quoi, personnalise

    DiscordLinkedIn
    Resumes de livres en vedette
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Categories tendance
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Listes de lecture de celebrites
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Collection primee
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Sujets en vedette
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Meilleurs livres par annee
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Auteurs en vedette
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs autres applications
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Outils d'apprentissage
    Knowledge VisualizerAI Podcast Generator
    Informations
    A propos de nousarrow
    Tarifsarrow
    FAQarrow
    Blogarrow
    Carrieresarrow
    Partenariatsarrow
    Programme Ambassadeurarrow
    Repertoirearrow
    BeFreed
    Try now
    © 2026 BeFreed
    Conditions d'utilisationPolitique de confidentialite
    BeFreed

    Apprenez n'importe quoi, personnalise

    DiscordLinkedIn
    Resumes de livres en vedette
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Categories tendance
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Listes de lecture de celebrites
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Collection primee
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Sujets en vedette
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Meilleurs livres par annee
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Outils d'apprentissage
    Knowledge VisualizerAI Podcast Generator
    Auteurs en vedette
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs autres applications
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Informations
    A propos de nousarrow
    Tarifsarrow
    FAQarrow
    Blogarrow
    Carrieresarrow
    Partenariatsarrow
    Programme Ambassadeurarrow
    Repertoirearrow
    BeFreed
    Try now
    © 2026 BeFreed
    Conditions d'utilisationPolitique de confidentialite

    Points clés

    1

    子供の腕を守る新常識

    0:00
    0:12
    0:25
    0:37
    0:45
    0:55
    2

    痛みのサインを科学する——なぜ「まだ大丈夫」が一番危ないのか

    1:02
    1:18
    1:43
    1:47
    2:02
    2:07
    2:25
    2:34
    2:59
    3:05
    3

    肘を救うのは「肘」じゃない——意外な黒幕と連鎖の秘密

    3:22
    3:28
    3:38
    3:41
    3:57
    4:02
    4:20
    4:29
    4:47
    4:55
    5:18
    4

    年間100イニングの壁——科学が証明した「壊れるライン」

    5:27
    5:36
    5:42
    5:59
    6:07
    6:28
    6:32
    6:44
    2:34
    7:07
    7:12
    5

    ステップ1:前腕の「20秒リセット」——肘への衝撃を遮断する

    7:33
    7:40
    7:51
    7:54
    7:55
    8:03
    8:11
    8:17
    1:47
    8:36
    8:38
    8:50
    8:57
    9:15
    9:21
    6

    ステップ2:肩甲骨の「肘回し」——腕の土台を自由にする

    9:25
    4:29
    9:42
    9:44
    9:47
    9:51
    9:56
    10:04
    10:12
    10:29
    10:38
    10:47
    10:52
    7

    ステップ3:股関節の「椅子ストレッチ」——下半身のパワーを逃がさない

    11:08
    11:14
    11:22
    11:23
    11:31
    11:37
    11:44
    11:48
    12:03
    12:08
    12:24
    12:32
    8

    アイシングと冷却のルール——「冷やす」か「温める」かの判断基準

    12:44
    12:51
    13:05
    13:08
    13:17
    13:25
    13:37
    13:42
    14:00
    4:29
    9

    フォーム改善の落とし穴——スマホで「肘の高さ」をチェックしよう

    14:26
    14:33
    14:44
    14:46
    2:02
    15:10
    15:26
    4:29
    15:54
    1:47
    10

    健やかな野球人生のために——今日から始める「腕守り」習慣

    16:21
    16:27
    16:37
    1:47
    17:01
    17:06
    17:21
    17:35
    17:51
    18:00

    Dans le même genre

    podcast cover
    Built from BrokenThe Naked WarriorThe Muscle LadderTactical Barbell
    25 sources
    Iron Longevity: Building Strength Without the Injuries
    Master the four essential movements and joint-first training to build a rock-solid foundation. Learn why starting light and focusing on recovery is the secret to sustainable, lifelong strength.
    28 min
    podcast cover
    Between Parent and ChildUnlocking Parental IntelligenceThe Parenting MapThe Book You Wish Your Parents Had Read (and Your Children Will Be Glad That You Did)
    26 sources
    Obstacle Parenting: Better Kids Through Less Rescuing
    Discover how stepping back from constant intervention actually empowers children to become more capable, resilient, and self-reliant. Learn science-backed strategies to raise confident kids by doing less.
    18 min
    podcast cover
    Overcoming Low Self-EsteemThe Confidence GapThe Anxiety and Phobia WorkbookThe Anxiety Solution
    22 sources
    七步培养自信,告别焦虑
    探索如何将自信作为可培养的能力,通过七个实用技巧帮你从焦虑转变为自信。从思维陷阱到身体语言,从暴露疗法到完美主义解药,掌握建立内在力量的关键方法。
    25 min
    book cover
    Help Your Teenager Beat an Eating Disorder
    James Lock & Daniel Le Grange
    Empowering guide for parents to actively support teens struggling with eating disorders through family-based treatment and recovery.
    8 min
    podcast cover
    Overcoming Low Self-EsteemThe Anxiety and Phobia WorkbookThe Anxiety SolutionCognitive Behavioral Therapy Made Simple
    26 sources
    从恐惧到勇气:自信蜕变训练营
    心理学家小林带你掌握五个实用技巧,从认知重构到正念接纳,帮你建立真正的自信,学会与焦虑和平相处,开启从'我不行'到'我可以'的蜕变之旅。
    23 min
    podcast cover
    Change Your Brain, Change Your LifeRewireBuddha's brainCognitive Behavioral Therapy
    19 sources
    大脑重塑:告别低电量人生
    明明想改变却总是瘫在沙发上?Miles 和 Lena 将带你破解大脑的“低电量模式”,利用神经可塑性公式,通过科学的刻意练习和物理介入,教你从“自动驾驶”中夺回控制权,亲手升级你的思维回路。
    30 min
    book cover
    How to Stop Losing Your Sh*t with Your Kids
    Carla Naumburg
    A humorous, practical guide for parents to manage stress and stay calm, even in frustrating moments with children.
    8 min
    book cover
    Teach Your Children Well
    Madeline Levine
    A groundbreaking guide empowering parents to redefine success, nurture well-being, and raise resilient children in today's high-pressure world.
    9 min