kine 305 chp 10 Pelvis Exam Questions and Answers with Verified Solutions | Latest Updated 2026

kine 305 chp 10 Pelvis Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026



function of the pelvis - Supports weight of body
- Receives ground forces
- Supports and protects pelvic viscera
- Provides attachment for muscles
- Makes up bony portion of birth canal


structure of the pelvis (bones) - 2 main hip bones: sacrum & coccyx
- 3 smaller bones: ilium, pubis, ischium


structure of the pelvis (joints) 4 joints: 2 sacroiliac joints, pubis
symphysis,
lumbosacral joint


functions of the sacroiliac joint shock absorbers/accepting load with initial
(synovial + nonaxial) contact
during walking


joint motion of SI joint - nutation {(ant. sacral tilt; post. iliac tilt)
- counternutation (post. sacral tilt; ant. iliac
tilt)
- 2-5mm in all directions, passive
movement, not
caused by muscle activation

, nutation - sacral flexion (ant. rotation of the sacrum
in
relation to the ilium)
- base of sacrum (superior end) moves
anteriorly
and inferiorly
- occurs WITH trunk flexion or hip
extension


counternutation - sacral extension (post. rotation of sacrum
in
relation to ilium)
- base of sacrum moves posteriorly and
superiorly
- occurs WITH trunk extension or hip
flexion


sacroiliac joint AND pelvic motions - nutation
- anterior pelvic tilt
- counternutation
- posterior pelvic tilt


Pelvic girdle motions Anterior tilt
Posterior tilt
Lateral tilt
Pelvic rotation


left lateral pelvic tilt/right hip hike
OR left hip adduction/right hip
abduction


pelvic rotation occurs in the transverse plane