TY - GEN AU - Currier,D P TI - Positioning for knee strengthening exercises SN - 0031-9023 PY - 1977///0321 KW - Adult KW - Female KW - Hip Joint KW - physiology KW - Humans KW - Isometric Contraction KW - Knee KW - Male KW - Middle Aged KW - Muscle Contraction KW - Physical Therapy Modalities KW - methods KW - Posture N1 - Publication Type: Journal Article UR - https://doi.org/10.1093/ptj/57.2.148 ER -