Musculoskeletal system

Muscle cells are also referred to as ...

• muscle protein

• muscle fibers

• actin

• cross bridge

A muscle contraction is stimulated by the energy called ...

• lactic acid

• contraction

• ADP

• creatine phosphate

Myosin and actin filaments are organized into repeating units called ...

• sarcomeres

• cross bridge

• z- line

• creatine phosphate

Energized myosin binds and overlaps with the actin filament, forming a ...

• depolarization

• Z-line

• muscle tone

• cross bridge

Each muscle fiber (cell) is wrapped in a covering of connective tissue layer called ...

• epimysium

• perimysium

• endomysium

• fascicles

skeletal and cardiac muscles have these but not smooth muscles ...

• contraction

• striations

• energy

• myosin

muscles are attached to bones by ...

• joints

• ligaments

• tendons

• sarcomeres

An injury to a joint caused by twisting of the ligaments is called ...

• bursitis

• myalgia

• sprain

• arthritis

A disease condition caused by loss of osteoblast function is called ...

• arthritis

• bursitis

• sprain

• osteoporosis

This is a joint that has slight movement such as in the pelvis or vertebral column of the spine

• synarthrosis

• amphiathrosis

• diarthrosis

• synovial