Muscular System Flashcards
adductors
Located at the medial side of each thigh (inner thigh). They press thighs together.
biceps brachii
Muscle in the forearm. Located in Radius side. Prime mover for the flexion of the forearm.
biceps femoris
Located in the hamstring, help flex knee and extend hip.
buccinators
Located in the mouth. Compresses the cheek against the teeth.
deltoid
Located in the shoulder. Three types: anterioir, medial, and anterior delt. Help stabilize shoulder joint, move shoulder in different directions.
extensors
muscles that increase angle of joints (aka straighten).
external intercostals
Found in the ribs (intercostals). Pull down on rib cage, then push air out of lungs.
external oblique
Muscle of the anterior abdominal wall. Helps twist and rotate abs.
fibularis longus
lateral part of lower leg. Plantar flexes and everts the foot.
flexors
Muscles that decrease angle of the joint, such as bending.
frontalis
two large fan-like muscles that extend from the eyebrow region to the top of the forehead. Facial expressions and eyebrow movement.
gastrocnemius
the chief muscle of the calf of the leg, which flexes the knee and foot. It runs to the Achilles tendon from two heads attached to the femur.
gluteus maximus
the main extensor muscle of the hip in humans. It is the largest and outermost of the three gluteal muscles
gluteus medius
Located between maximus and minimus. Prime mover of abduction at the hip joint.
internal oblique
a muscle found on the lateral side of the abdomen. Lower part of oblique. Flexes, laterally flexes, and rotates trunk