Verified by Experts
Motor unit one motor neuron and the muscle fibers it connects with.
Neural activation contraction of a muscle generated by neural stimulation.
Neurotransmitters chemical messengers that transport impulses from nerve to muscle.
Local stabilization system attach directly to vertebrae. Consists of: transverse abdominis,
internal oblique, multifidus, pelvic floor, diaphragm.
Global stabilization system attach from pelvis to spine. Consists of: quadratus lumborum,
psoas major, external oblique, rectus abdominis, gluteus medius, adductor complex, portions of
internal oblique.
Movement system attach spine and/or pelvis to extremities. Consists of: latissimus dorsi,
hip flexors, hamstring complex, quadriceps.
,Axial skeleton skull, rib cage, and vertebral column.
Appendicular skeleton upper and lower extremities, shoulder and pelvic girdles.
Skeletal system functions supports, protects, allows bodily movement, produces blood,
stores minerals.
Skeletal depressions lattened or indented portions of abone;can be muscle attachment
sites.
Skeletal Processes projection protruding from a bone; muscles, tendons, and ligaments
can attach.
Ligaments connects bone to bone; little blood supply; slow to heal.
Arthrokinematics joint motion.
Non-synovial joints nojoint cavity, connective tissue, or cartilage; little to no movement.
,Synovial joints held together by joint capsule and ligaments; associated with movement.
Major motion types roll, slide, and spin.
Hinge joint elbows, ankles; sagittal plane movement.
Ball-and-socket joint shoulders, hips ;most mobile, all three planes of motion.
Weight-bearing exercise the best method of exercise to strengthen bones.
Endocrine system system of glands; secretes hormones to regulate bodily function
Testosterone responsible for male sex traits.
Estrogen influences fat deposition on hips, buttocks, and thighs; responsible for female
sex traits.
, Growth hormone anabolic hormone; responsible for bodily growth up until puberty.
Insulin regulates energy and glucose metabolism in the body.
Cardiorespiratory system cardiovascular and respiratory systems.
Cardiovascular system heart, blood, and blood vessels.
Cardiac muscle shorter, more tightly connected than skeletal muscle; involuntary.
Atria smaller, superior chambers of the heart; receive blood from veins
Right atrium gathers deoxygenated blood returning to the heart.
Left atrium gathers oxygenated blood from the lungs.