我做完運動會喜歡做hip flexor的拉伸。左邊沒問題。右邊基本上每次都會很快覺得右膝蓋骨靠內側會抻（chen）得很痛，以至於幾乎不能堅持滿一分鍾。兩年前曾經有半月板傷（附報告如下）。沒有手術，痛逐漸自行消失。但是從此的確覺得右膝蓋不是很穩定強健，偶爾有卡住感，但是隻要不強行push through，一般能活動開。做負荷深蹲可以聽／感到咯嘣響。但是隻要自己小心，沒痛感。這是這個拉伸，屢做屢痛。
問內行人，這是我哪根筋緊的表征，或是哪邊肌肉weak的表征？怎樣最有效穩定一個曾經受傷的膝蓋？
（加兩張照片以示具體拉伸動作。）
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TECHNIQUE: MRI KNEE RIGHT WO CONTRAST Coronal T1, coronal proton density with |
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| fat saturation, sagittal proton density with fat saturation, sagittal proton | |
| density, axial proton density with fat saturation. | |
| REPORT: Predominant horizontal linear regions of abnormal increased signal | |
| posterior horn and body of the medial meniscus extending to the inferior surface | |
| consistent with tear. There appears to be a bucket-handle component to this tear | |
| flipped towards the intercondylar notch | |
| There is a partially discoid lateral meniscus measuring 1.4 cm in transverse | |
| dimension at midline but no evidence of tear. | |
| There is mild T2 hyperintensity superficial to the medial collateral ligament | |
| which could be grade 1 sprain. Lateral collateral ligament complex intact. | |
| Cartilage thinning in the medial compartment. No focal cartilage defects. | |
| Normal bone marrow signal within the osseous structures. | |
| Thin mildly elongated medial patellar plica. Patellofemoral compartment | |
| otherwise essentially intact. | |
| Small moderate joint effusion. | |
| There is feathery T2 hyperintensity within the popliteus muscle consistent with | |
| a grade 1 strain. |
