External intercostal muscles
External intercostal muscles are eleven in number on both sides.
origin:
Lower border of ribs.
Insertion :
Upper border of rib below.
Nerve:
intercostal nerves.
Actions:
Inhalation.
Similar Posts
Extensor digitorum longus muscle
Extensor digitorum longus muscle Anatomy The extensor digitorum longus (EDL muscle) is a feather-like muscle of the anterior (extensor) compartment of the leg. Besides the EDL muscle, this compartment also contains the tibialis anterior, extensor hallucis longus, and fibularis (peroneus) Tertius muscles. Origin Anterior lateral condyle of tibia, the anterior shaft of fibula, and superior…
Longus Colli Muscle
Longus colli Muscle Anatomy Longus colli Muscle is located on the anterior surface of the vertebral column, between the atlas and the third thoracic vertebra. One type of muscle in the human body is called the longus colli, which means long muscle of the neck in Latin. Between the atlas and the third thoracic vertebra…
Digastric muscle
Introduction The digastric muscle lies below the body of the mandible, and extends, in a curved form, from the mastoid notch to the mandibular symphysis. It belongs to the suprahyoid group of the muscles. This muscle is so called because it has 2 bellies. Both the bellies are united by an intermediate tendon. Origin anterior…
Pronator Teres Muscle
Pronator teres Muscle Anatomy The pronator teres muscle is located on the palmar side of the forearm, below the elbow. It is a fusiform muscle found in the anterior forearm. It can be found on the front of the forearm and is a long, spherical muscle. The humeral head and the ulnar head are the…
Flexor digitorum brevis muscle: Origin, Insertion, Action, Exercise
Flexor digitorum brevis (FDB) is a large muscle located deep in the sole of the foot, just above the central part of the plantar fascia, with which it is firmly united and inferior to the tendon of Flexor Digitorum Longus. It is the central muscle of the superficial layer of the plantar foot muscles. Origin:…
Levator Scapulae Muscle
Levator Scapulae Muscle Anatomy The levator scapulae muscle is a long muscle of the shoulder girdle. It is situated at the back and the side of the neck, and as its name suggests – its main function is to lift the scapula. The position of the muscle defines its supportive role in the vertebral column….