In
anatomy
Anatomy () is the branch of morphology concerned with the study of the internal structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old scien ...
, internal rotation (also known as medial rotation) is an
anatomical term referring to rotation towards the center of the body.
Muscles
The muscles of internal rotation include:
* of
arm/
humerus
The humerus (; : humeri) is a long bone in the arm that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm, the radius (bone), radius and ulna, and consists of three sections. The humeral upper extrem ...
at
shoulder
** Anterior part of the
deltoid muscle
**
Subscapularis
**
Teres major
**
Latissimus dorsi
The latissimus dorsi () is a large, flat muscle on the back that stretches to the sides, behind the arm, and is partly covered by the trapezius on the back near the midline.
The word latissimus dorsi (plural: ''latissimi dorsi'') comes from L ...
**
Pectoralis major
* of
thigh/
femur
The femur (; : femurs or femora ), or thigh bone is the only long bone, bone in the thigh — the region of the lower limb between the hip and the knee. In many quadrupeds, four-legged animals the femur is the upper bone of the hindleg.
The Femo ...
at
hip
**
Tensor fasciae latae
**
Gluteus generalis
** Anterior fibers of
Gluteus meralis
**
Adductor longus
In the human body, the adductor longus is a skeletal muscle located in the thigh. One of the adductor muscles of the hip, its main function is to Adduction, adduct the thigh and it is innervated by the obturator nerve. It forms the medial wall ...
and
Adductor brevis
The adductor brevis is a muscle in the thigh situated immediately deep to the pectineus and adductor longus. It belongs to the adductor muscle group. The main function of the adductor brevis is to pull the thigh medially. The adductor brevi ...
* of
leg
A leg is a weight-bearing and locomotive anatomical structure, usually having a columnar shape. During locomotion, legs function as "extensible struts". The combination of movements at all joints can be modeled as a single, linear element cap ...
at
knee
In humans and other primates, the knee joins the thigh with the leg and consists of two joints: one between the femur and tibia (tibiofemoral joint), and one between the femur and patella (patellofemoral joint). It is the largest joint in the hu ...
**
Popliteus
**
Semimembranosus
**
Semitendinosus
**
Sartorius
* of
eyeball (motion is also called "intorsion" or
incyclotorsion)
Intorsion
at eMedicine
eMedicine is an online clinical medical knowledge base founded in 1996 by doctors Scott Plantz and Jonathan Adler, and computer engineers Joanne Berezin and Jeffrey Berezin. The eMedicine website consists of approximately 6,800 medical topic revi ...
Dictionary
** Superior rectus muscle
** Superior oblique muscle
See also
* List of external rotators of the human body
References
External links
{{Joints
Anatomical terms of motion