of Subjects 8 22 Age, yr (mean [+ or -] SD) 56.9 [+ or -] 5.3 59.2 [+ or -] 15.2 Sex (n) Female 1 10 Male 7 12 Barthel Index Score 99 [+ or -] 1 100 [+ or -] 0 (mean [+ or -] SD) Side of Amputation (n) Left 2 -- Right 6 -- Cause of Amputation (n) Vascular Disease 5 -- Ischemic Event -- -- Trauma 3 -- Subjects Using Aids for 1 (12.5) 0 (0) Walking, n (%) Aids Used (n) 2 Crutches 1 -- 2 Tetrapods -- -- No Aids 7 22 HS = healthy subject, SD = standard deviation, TFA-LK = subject with transfemoral amputation with prosthesis with locked knee
, TFA-UK = subject with transfemoral amputation with prosthesis with unlocked knee, TTA = subject with transtibial amputation.
Binns, "A locked knee in extension: a complication of a degenerate knee with patella alta," Journal of Bone and Joint Surgery B, vol.
Tan, "Locked knee from superior dislocation of the patella-diagnosis and management of a rare injury," Knee Surgery, Sports Traumatology, Arthroscopy, vol.
In general, these studies indicated that kinematic parameters, especially knee flexion during swing phase and pelvic motion, improved when subjects walked with a stance-control device compared with a completely locked knee
Although I don't think locked knees
are best for anyone, because locked knees
interrupt any hope of body flow, which is often essential when a buck or bull is drifting slowly by (not on the run, or the bowhunter wouldn't shoot at all) but simply ambling along.
, flat feet and hyper-extended joints, especially when directing the feet toward the floor may result from improper body alignment.
He plays the curmudgeon brilliantly in "How to Tell Ballet from Modern." He proclaims that in ballet "everything is done with stiff necks, locked knees
and limp wrists," neglecting to tell us that Lincoln Kirstein once nearly recruited him for New York City Ballet.
"The knee should never go back behind the ankle." She adds that strengthening the legs can guard against locked knees
; if properly used, the muscles above and below the knee can hold it in correct alignment.
I'D HAVE felt sorry for the young mum battling with her screaming two-year-old outside Woolworths the other day (I've been there, know the embarrassment when little darling goes rigid and refuses to sit in his pushchair, but those were the olden days when a quick slap was allowed, though a poke behind the locked knees
to make them bend works just as well).
When we let go of hunched shoulders, locked knees
, or hyper-extended backs, we begin to get back to our primal state of grace.
There is obvious appeal here to unconditional admirers of Fosse's style, with its quirks of angularity, locked knees
and ankles, thrusting hips, rolling shoulders, and exaggerated backward leaning.
"Unlike ballet we land straight on locked knees
and ankles which is bad.