Body Movements
Movement away from the midline of the body.
What is abduction?
The more moveable end of a muscle.
What is the insertion?
Muscle tension, no movement.
What is an isometric contraction?
Striated, voluntary, multinucleated
What are skeletal muscle cells?
Main extensor at the hip.
What is the gluteus maximus?
Shortening the distance between two bones in the anterior/posterior plane.
What is Flexion?
The more stationary end of a muscle.
WHat is the origin?
Muscle tension, fibers changing length.
What is an isotonic contraction?
Striated, involuntary, single nucleus.
What is cardiac muscle cells?
Main flexor at the shoulder.
What is the pectoralis major?
Rotation of a limb toward the midline of the body.
What is medial rotation?
This helps stabilize the origin.
What is the fixator?
Muscle tension, fibers shorten.
What is a concentric isotonic contraction?
Involuntary, not striated, single nucleus.
What are smooth muscle cells?
Main extensor at the shoulder.
What is the latissimus dorsi?
Lateral rotation of the lower arm.
What is supination?
This helps stabilize the joint where movement is occurring.
What is the synergist?
Muscle tension, lengthening of fibers.
What is an eccentric isotonic contraction?
Have intercalated discs and branch in regards to connected to other cells.
What are cardiac muscle cells?
Main flexor of the spine.
What is the rectus abdominis?
Raising the mandible or shoulders.
What is elevation?
This muscle is relaxed when a prime mover is activated.
What is the antagonist?
Muscsle connect to bone, skin, or aponeurosis via
What is a tendon?
What are smooth muscle cells?
Main extensor at the knee.
What is the rectus femoris?