Basic Notes From Study Guide Flashcards
Kinetic chain
Interrelation of nervous, muscular and skeletal systems to create movement
CNS
Central nervous system
—brain and spinal cord
—coordinates activity of all body parts
PNS
Peripheral nervous system
—all nerves branching off spinal cord - extending out to the body
Mechanoreceptors
Sense distortion in body tissues
1. Golgi tendon organs (GTO)
—sense changes in tension
- Muscle spindles
—sense changes in length
Proprioception
Cumulative sensory input to the CNS from all mechanoreceptors
Stabilization muscles of the core
—transverse abdominis
—multifidus
—internal obliques
—diaphragm
—pelvic floor muscles
—rotator cuff
—external obliques
—quadratics lumborum
—psoas major
—rectus abdominis
—gluteus medius
—adductor complex
Movement muscles of the core
—latissimus dorsi
—hip flexors
—hamstring complex
—quadriceps
—pectoralis major
—deltoid
—gluteus Maximus
—triceps
—biceps
—erector spinae
Tendons
—connect muscle to bone
—anchor to produce force
—limited blood flow = slow to repair
Sarcomeres
Individual contractile units
—actin and myosin filaments
Type 1 (slow twitch) muscle tissue
More aerobic
—slower to reach maximal contraction
—resistance to fatigue
Type II (fast twitch) muscle tissue
More anaerobic
—produce more speed and strength
—faster to fatigue
Behavioral properties of muscle
- Extensibility
- Elasticity
- Irritability
- Ability to develop tension
Quadriceps
Rectus femoris, castes lateralis, medialis, intermedius
—isolated function: knee extension
—common exercise: squat - upward phase
Hamstrings
—semitendinosus, semimembranosus, biceps femoris
—IF: knee flexion
—CE: hamstrings curl
Gastrocnemius
One of calf muscles
—IF: plantar flexion
—CE: calf raise
Gluteus Maximus
—IF: hip extension and external rotation
—CE: lunge (upward phase)
Rectus abdominis
—spinal flexion, lateral flexion, and rotation
—ball crunch
Pectoralis major
—shoulder flexion and horizontal adduction
—push-up
Latissimus dorsi
—shoulder extension, adduction and internal rotation
—band row
Biceps
—elbow flexion
—biceps curl
Triceps
—elbow extension
—triceps extension
Ligaments
—connect bone to bone
—limited blood flow
—slow to repair
Axial skeleton
Skull, rib cage, and vertebral column
Appendicular skeleton
Bones of upper and lower extremities