Muscles of the Body- Spring 2019
Terms in this set (16)
It is a muscle located on the back of the lower leg. Made up of two parts the gastrocnemius and the soleus. The gastrocnemius is the two curved parts. The soleus connects to the Achilles tendon.
The main muscle group of the upper thigh located above the femur.
The muscle group is made up of the Rectus Femoris, Vastus Medialis, and the Vastus Lateralis.
The main muscle group in the back of the leg, located above the femur. It is made up for the semitendinosus, semimembranosus,
and the biceps femoris.
Muscle group of the butt. It is made up of three parts. The Gluteus minimus is the closest to the hip bone. The Gluteus medius is the middle layer. The Gluteus maxiumus is the largest and most external layer.
These are known as your abs.
This muscle group is made up of:
external abdominal obliques
internal abdominal obliques
is a large, flat muscle on the back. It is commonly know as the lats. It is the largest muscle in the upper body. It 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. It helps in extension and lateral flexion of the lumbar spine.
It is a muscle that extends from the crevical/ throacic areas of the spine outwards (laterally) in a triangle.
It helps to move the arms and support the scapula. The trapezius has three functional parts: an upper (descending) part which supports the weight of the arm; a middle region (transverse), which retracts the scapula; and a lower (ascending) part which medially rotates and depresses the scapula. The trapezius is used to nod your head and hold it up.
Commonly known as "pecs" are the muscles that connect the front of the human chest with the bones of the upper arm and shoulder.
Pectoralis major is a thick, fan-shaped muscle, which makes up the bulk of the chest muscle. It lies under the breast. It serves to flex, extend, and rotate the humerus, the long bone of the upper arm.
Pectoralis minor is a thin, triangular muscle located beneath the pectoralis major. It attaches to the ribs, and serves to stabilize the scapula, the large bone of the shoulder.
Commonly known as the triceps.(Latin for "three-headed muscle of the arm")
It is large muscle on the back of the upper limb of many vertebrates.
It is the muscle principally responsible for extension of the elbow joint (straightening of the arm).
Commonly know as the biceps, it gets it name from Latin for "two-headed muscle of the arm.
It is a large muscle that lies on the front of the upper arm between the shoulder and the elbow. Both heads of the muscle arise on the scapula and join to form a single muscle belly which is attached to the upper forearm.
Job of Muscles
is to move bones
Muscles consist of
two parts the Muscles Belly and the tendons
Moving a Muscle
Every time you make a movement there are two groups of muscles working simultaneously on the joint
Muscles shorten or contract to produce a movement
Muscles assist the ligaments to stabilize a bone
Muscles lengthen to produce movement or move against gravity
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