A Sliding hip screw is an orthopedic implant used to fix certain fractures near the top of the thigh bone (femur). It combines a large screw placed into the femoral head with a side plate attached to the femur. It is most commonly used for hip fractures outside the joint capsule, especially intertrochanteric fractures. Its design allows controlled sliding (collapse) at the fracture site to help the bone heal.

Side-lying hip abduction is a movement where the top leg lifts away from the midline while you lie on your side. It is commonly used as an exercise to strengthen the hip abductor muscles, especially the gluteus medius. Clinicians also use it as part of a physical exam to screen hip strength and movement control. It appears frequently in physical therapy, sports medicine, and orthopedic rehabilitation programs.

Short external rotators are a small group of deep muscles in the back of the hip. They help rotate the thigh outward and steady the hip joint during movement. Clinicians often discuss them when evaluating hip pain, buttock pain, and hip stability. They are also important in hip surgery because some approaches pass near or through them.

A Shoe lift is an added layer placed inside or attached to the bottom of a shoe to increase leg length on one side. It is commonly used to address suspected or confirmed leg length differences. It is also used to influence lower-limb alignment and walking mechanics. Shoe lifts are seen in orthopedic, sports medicine, and physical therapy settings.

Shenton line disruption is a radiographic (X-ray) finding used to assess hip alignment. It refers to a break in a smooth curved line that should form between the pelvis and the upper femur. Clinicians most often look for it on an anteroposterior (front-facing) pelvis or hip X-ray. It helps flag possible hip displacement, fracture, or developmental alignment problems.

Shenton line is an imaginary curved line that clinicians check on a hip or pelvis X-ray. It helps show whether the femur (thigh bone) is aligned normally with the pelvis at the hip joint. When the curve looks smooth and continuous, alignment is often considered more typical. It is commonly used in orthopedic imaging for hip dysplasia, fractures, and hip dislocation assessments.

Sharp angle is an imaging measurement taken from a standard pelvis X-ray. It describes how the hip socket (acetabulum) is oriented and how much it covers the femoral head. It is commonly used when clinicians evaluate hip dysplasia, hip instability, and related arthritis patterns. It is one of several “hip angles” used to summarize complex hip anatomy in a simple number.

Sharp angle is a radiographic measurement used to describe how the hip socket (acetabulum) is oriented. It is most commonly measured on an anteroposterior (AP) pelvis X-ray. Clinicians use it as one piece of information when evaluating hip shape and socket coverage of the femoral head. It is often discussed in the context of hip dysplasia and related hip pain.

Shallow acetabulum means the hip socket is shallower than typical. It describes a shape difference in the acetabulum, the “cup” part of the hip joint. It is commonly discussed in hip dysplasia, hip pain evaluations, and radiology reports. Clinicians use the term to communicate how well the socket covers and supports the femoral head.

Septic arthritis hip is an infection inside the hip joint space. It can cause sudden, severe hip pain and difficulty moving or walking. Clinicians use this term when they suspect bacteria or other germs have entered the hip joint. It is commonly discussed in emergency care, orthopedics, pediatrics, and infectious disease settings.