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50 Cards in this Set

  • Front
  • Back
muscles in body
pairs of muscles responsible for movement
difference between FT and ST fibers
FT fatigue more quickly, can generate higher torque and power than ST
no change in muscle length
shortening of muscle
lengthening of muscle
Glenohumeral joint
humerus and scapula
Shoulder girdle
clavicle and scapula
Sternoclavicular joint
sternum and clavicle
Acromioavicular joint
clavicle and sternum
Rotator cuff muscles
subscapularis, supraspinatus, infraspinatus, teres minor
Movements of the rotator cuff
medial and lateral rotation, horizontal abduction, abduction
Flexion at shoulder
anterior deltoid, pectoralis major
Extension at shoulder
teres major, latissimus dorsi
Abduction at shoulder
middle deltoid, supraspinatus
Adduction at shoulder
lattisimus dorsi, teres major
Medial rotation at shoulder
subscapularis, teres major
Lateral rotation at shoulder
infraspinatus, teres minor
Horizontal adduction at shoulder
pectoralis major, anterior deltoid, coracobrachialis
Horizontal abduction at shoulder
middle deltoid, posterior deltoid
responsible for movement at the scapula
pectoralis major, subclavius, levator scapula, trapezius, rhomboids, serratus anterior
2 sports with shoulder movement
baseball, volleyball
Flexion at elbow
biceps brachii, brachioradialis
Extension at elbow
pronator quadratus
2 sports with loads at elbow
tennis, gymnastics
Flexion at wrist
flexor carpi radialis, flexor carpi ulnaris, palmaris longus
Extension at wrist
extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris
Flexion at hip
iliacus, pectineus, rectus femoris, sartorius
Extension at hip
Hamstring muscles
biceps femoris, semitendinosus, semimembranosus
Abduction at hip
gluteus medius
Adduction at hip
adductor magnus, adductor brevis, adductor longus, gracilis, pectinius
Sports with loads at hip
hurdlers, figure skaters
distributes load at the knee over a larger surface area to absorb shock
Flexion at knee
Extension at knee
Medial rotation at knee
semimembranosus, semitendinosus, popliteus
Lateral rotation at knee
biceps femoris
2 sports with loads at knee
football, baseball catchers
Plantar flexion at ankle
gastronemius, soleus (calf muscles)
Dorsi flexion at ankle
tibialis anterior, extensor digitorum longus, peroneus tertius
Agonist muscles
act as primary mover
Antagonist muscles
opposers that develop eccentric tension at the same time
Muscular power
product of force and velocity…best training at 1/3
Sport with power
high jump, football
Muscular strength
maximum amount of force in one rep
Muscular endurance
ability to exert tension over a period of time
Muscle fatigue
less endurance, reduction in force and velocity, prolonged relaxation of motor units