You can trade the five dots that indicate your iPhone's signal strength for a number. No jailbreak required. If you are a numbers person, you may like this iPhone hack that replaces the five dots in the upper-left corner of your iPhone that indicate the strength of your cellular signal with a numerical value. It does not require you to jailbreak your phone -- all you need to do is jump in and out of the hidden Field Test mode.
The subglottis or subglottic region is the lower portion of the larynx, extending from just beneath the vocal cords down to the top of the trachea. The structures in the subglottis are implicated in the regulation of the temperature of the breath.
Subscapularis Muscle. The subscapularis is one of the muscles responsible for most shoulder pain, according to the Institute for Integrative Healthcare Studies. It's located under your shoulder blade with its origin in the subscapular fossa and insertion on the lesser tubercle of the humerus. The subscapularis muscle is responsible for medial rotation of your arm and stabilization of the glenohumeral joint.