Hip-Shoulder Separation
The elastic twist that stores 40% of a bowler's .
Numbers: Dale Steyn and Pat Cummins hit ~55°; a 10° increase can add 3–4 km/h.
Technical Breakdown
19-section schemaDefinition
The angle between hip line and shoulder line at back-foot contact. Elite quicks show 40–60°.
Biomechanics
The trunk acts like a stretched spring — greater separation stores more elastic energy in oblique and lat muscles.
Injury Risks
Too much separation without strength drives lumbar stress fractures — the leading cause of long-term bowler absence.
Famous Players
Drills → real performancesPat Cummins
2011–presentRight-arm fast (Australia, captain)
Pat Cummins (Right-arm fast for Australia, captain, 2011–present). Best known for: Wobble-, 2023 WTC win. Uses a scrambled- wobble at 145 km/h to deviate either way off the surface; led Australia to the 2023 World Championship and World Cup.
Dale Steyn
2004–2019Right-arm fast (South Africa)
Dale Steyn (Right-arm fast for South Africa, 2004–2019). Best known for: 439 wickets, peak +. Combined 145+ km/h with late — his 6-8 vs India at Nagpur in 2010 is a textbook of on a hot afternoon.