Articles

General information Interspinales muscles are short, paired muscles sitting in the deepest layer of the intrinsic back muscles. This group of muscles consist of the interspinales cervicis, thoracis and lumborum, which get their name based...

General information The intercostal muscles are made up of the intrinsic muscles of the rib cage which are situated in the 11 intercostal spaces. There are three groups within the intercostals, situated superficially down to deep: External...

  General information The internal oblique is a broad, thin muscle situated on the lateral side of the abdomen. Along with the external oblique, it comprises a layer of the inner aspect of lateral abdominal wall and the inner aspect...

General information A thick, triangular muscle, infraspinatus is one of the four rotator cuff muscles, along with the subscapularis, teres minor and supraspinatus muscles. This muscle mostly covers the scapula’s dorsal surface....

General information The infrahyoid muscle group is made up of four muscles, situated under the hyoid bone. Literal meaning Below the hyoid bone. Interesting information The Infrahyoid muscles can be divided into two groups: Superficial...

General information Inferior rectus muscle is part of the extraocular muscles along with five other muscles. Four of these muscles, including the inferior rectus, control eye movement in the cardinal directions. Literal meaning The inferior...

General information Inferior gemellus is a hip joint muscle in the deep hip rotator group. Literal meaning The lower little twin muscle. Interesting information Inferior gemellus is situated in the pelvic region between obturator externus...

General information Inferior oblique is a thin, narrow eye muscle and belongs to the group of six extraocular muscles or the orbit’s extrinsic muscles. Literal meaning The lower slanting muscle (of the eye). Interesting information...

General information Iliocostalis is a dorsal muscle situated deep to the fleshy section of serratus anterior. Iliocostalis thoracis is the upper (thoracic) portion of that muscle. Literal meaning The muscle between the ribs and the groin....

  General information Iliocostalis is a dorsal muscle situated deep to the fleshy section of serratus anterior. Iliocostalis lumborum is the lower (lumbar) portion of that muscle. Literal meaning The word iliocostalis comes from the...

General information Iliacus is a hip joint muscle in the hip flexor group. Literal meaning The muscle of the groin. Interesting information The iliacus is a large, flat and triangular shaped muscle that fills the iliac fossa in the pelvis....

General information The Iliococcygeus is generally a thin muscle which, along with the pubococcygeus makes up the levator ani muscle. Literal meaning Iliococcygeus comes from the word iliacus, which is the medieval Latin term for the hip...