Thorn (letter) Thorn or Ã¾orn (Ã¾, Ã¾) is a letter in the Old English, Gothic, Old Norse and modern Icelandic alphabets, as well as some dialects of Middle English. It was also used in medieval Scandinavia, but was later replaced with the digraph th, except in Iceland, where it survives.
Hip internal rotation exercises are designed to strengthen the groin, or adductor muscles of the inner thigh. These muscles bring the legs together while the outer hip muscles, called abductors, pull the legs apart. Muscular strength and flexibility imbalances can occur between the outer hip muscles and the groin muscles. Exercises can promote internal hip rotation to correct these imbalances.
Tweet. Every sport has its own set of primary muscles responsible for the majority of work of the sports specific motion. Primary muscles, or movers, are the first muscles called upon when there is a need for increased speed or force. For a cyclist, these muscles are located in the hips and legs.Sometimes referred to as pistons, the legs, revolving at 80 to 100 reps per minute, are whatâs responsible for producing power and speed.or a road cyclist pedaling while in the saddle, most of the power happens between the 12 oâclock and 5 oâclock position of the pedal stroke. This is when a majority of the primary muscles are activated. Hip flexion, along with hip and knee extension are the primary movements of a pedal stroke.