Sure, these mirror muscles garner attention on the beach in the summer and fill out a sweater in the winter. However, you're ...

The kneecap (patella) and the smaller bone that runs alongside the tibia (fibula) also help make the knee join. Image: WebMD The thigh bone, or femur, makes up the top part of the joint.

Hinge joint. Articulating bones are femur and tibia (the patella is not classed as part of the joint, nor is the fibula). Allows bending (flexion) and straightening (extension). Muscles which move ...

Flexion of the shoulder joint occurs when the humerus (upper arm) moves forwards from the rest of the body, which happens at the end of an underarm throw or bowl in rounders. Flexion of the hip ...

Out-toeing occurs when the hip joint, femur, or tibia tilts outward. They display external rotation, an angle away from the center. A range of health factors can cause this. The fetus's position ...