This paper evaluates several abdominal exercises, and highlights factors which are important for their safe prescription and effective use. The function of the abdominal muscles and hip flexors is considered, and the importance of the infra-umbilical portion of the rectus abdominis is emphasized. The effects of flexion on the lumbar spine are outlined. The trunk curl, sit-up, and straight leg r...

[Purpose] The purpose of this study was to clarify the relationships between 30-m sprint and standing broad jump physical function junior high school baseball players. [Participants Methods] Twenty-six players participated. sprint, jump, deep squat test (DST), split legs, straight leg raise (SLR), grip strength, trunk (Sahrmann core stability test: SCST) were measured, SLR, DST, SCST graded. Sp...

orthopaedic clinic with low back pain and left leg pain for last three months. The low back pain was of gradual onset and was progressive. The pain was aggravated on walking and standing. On clinical examination the patient was fit and well. She had bilateral free straight leg raise. Femoral nerve stretch test on the left leg was positive. She was intact neurologically and the range of movement...

CONTEXT Knee extension exercise is an important part of knee rehabilitation. Clinicians prescribe non-weight bearing exercise initially and progress patients to weight bearing exercise once they can perform a straight leg raise (SLR). OBJECTIVE Compare VM activation during a SLR and weight bearing exercises. DESIGN One-way repeated measures design. SETTING University Laboratory. SUBJECT...