Cervicothoracic Region
Lateral (Twining) (Swimmers Position)
IR Size: 10x12
SID: 40''
Page #'s: 1:401,156

Positioning:
  • Pt seated/erect (or lat recumbent Pawlow) TLP, MCP
  • Arm closest to IR above/resting on head
  • Shoulder farthest from IR depressed & rotated forward or backward from opposite shoulder (prevents humeral head SI over vertebrae)

CR Entrance & Angle:
  • C7-T1 (skims top of shoulder), shoulder well depressed CR _|_, if not 5°caudad (Special Cases Only -5°-15° cephalad)
  •

Collimation:
  • close

Respiration:
  • Suspend or technique

Best to Determine:
  • (Used to supplement if needed)

Eval Criteria:
  • Shows C5-T4 & not appreciably rotated from lateral position
  • Humeral heads minimally SI on vertebrae
  • Adequate penetration through shoulder region