Muscles of the Body
Terms in this set (24)
Flexes and bends the wrist
Extends the hand at the wrist
used to tilt and turn the head and neck, shrug, steady the shoulders, and twist the arms.
Latissimus dorsi (Anterior)
is responsible for extension, adduction, transverse extension also known as horizontal abduction, flexion from an extended position, and (medial) internal rotation of the shoulder joint.
external oblique (Anterior)
to pull the chest downwards and compress the abdominal cavity, which increases the intra-abdominal pressure
muscle, also known as the "abdominals" or "abs", is a paired muscle running vertically on each side of the anterior wall of the human abdomen,
It is a long, thin, band-like muscle found in the anterior region of the thigh.
are powerful extensors of the knee joint. They are crucial in walking, running, jumping and squatting. Because rectus femoris attaches to the ilium, it is also a flexor of the hip.
extensor digitorum longus
muscle is situated along the outside of the lower leg, just behind the tibialis anterior. It comes from close to the midline of the tibia and the shaft of the fibula.
forms half of the calf muscle. Its function is plantar flexing the foot at the ankle joint and flexing the leg at the knee joint.
is a tendon of the back of the leg, and the thickest in the human body. It serves to attach the plantaris, gastrocnemius (calf) and soleus muscles to the calcaneus (heel) bone.
Also called the Biceps of the Femur cross and act upon two joints - the hip and the knee. Semitendinosus and semimembranosus extend the hip when the trunk is fixed; they also flex the knee and medially (inwardly) rotate the lower leg when the knee is bent.
Flexes the elbow.
has four actions which are primarily responsible for movement of the shoulder joint. The first action is flexion of the humerus, as in throwing a ball underhand, and in lifting a child. Secondly, it adducts the humerus, as when flapping the arms.
is an extensor muscle of the elbow joint and an antagonist of the biceps and brachialis muscles.
of this muscle is to rotate the head to the opposite side or obliquely rotate the head. It also flexes the neck. When both sides of the muscle act together, it flexes the neck and extends the head.
has three distinct functions that correspond to the three bands of muscle fibers. Contraction of the anterior fibers flexes and medially rotates the arm by pulling the humerus towards the clavicle.
Latissimus dorsi (Posterior)
external oblique (Posterior)
muscle is located in the buttocks and is regarded as one of the strongest muscles in the human body. It is connected to the coccyx, or tailbone, as well as other surrounding bones. This muscle is responsible for movement of the hip and thigh.
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