Three types of muscles:
Cardiac- involuntary
Smooth- involuntary, non-striated
Skeletal- voluntary, striated
Characteristics of skeletal muscles
Elasticity- ability to recoil to original shape and stretch
Contractility- ability to contract
Extensibility- ability to lengthen
Electrical excitability- ability to respond to an electrical stimulus
Skeletal muscles:
Biceps
Triceps
Quads
Hamstrings
Gluteus maximus