[401] [401] Client error: `POST https://webservices.amazon.co.jp/paapi5/getitems` resulted in a `401 Unauthorized` response: {"__type":"com.amazon.paapi5#UnrecognizedClientException","Errors":[{"Code":"UnrecognizedClient","Message":"The Access K (truncated...)

[401] [401] Client error: `POST https://webservices.amazon.co.jp/paapi5/getitems` resulted in a `401 Unauthorized` response: {"__type":"com.amazon.paapi5#UnrecognizedClientException","Errors":[{"Code":"UnrecognizedClient","Message":"The Access K (truncated...)

[401] [401] Client error: `POST https://webservices.amazon.co.jp/paapi5/getitems` resulted in a `401 Unauthorized` response: {"__type":"com.amazon.paapi5#UnrecognizedClientException","Errors":[{"Code":"UnrecognizedClient","Message":"The Access K (truncated...)

[401] [401] Client error: `POST https://webservices.amazon.co.jp/paapi5/getitems` resulted in a `401 Unauthorized` response: {"__type":"com.amazon.paapi5#UnrecognizedClientException","Errors":[{"Code":"UnrecognizedClient","Message":"The Access K (truncated...)

[401] [401] Client error: `POST https://webservices.amazon.co.jp/paapi5/getitems` resulted in a `401 Unauthorized` response: {"__type":"com.amazon.paapi5#UnrecognizedClientException","Errors":[{"Code":"UnrecognizedClient","Message":"The Access K (truncated...)

ミッドフット(足裏全体着地)

・足首は90度
・足裏は後ろの人に見せないイメージ
・ふくらはぎの筋肉を使わないで、ももの筋肉
(ハムストリング)を使う

感覚が掴めると、地面を足で押すような感じに
なる。