PMID- 3794141
OWN - NLM
STAT- MEDLINE
DCOM- 19870206
LR  - 20220410
IS  - 0002-8614 (Print)
IS  - 0002-8614 (Linking)
VI  - 35
IP  - 1
DP  - 1987 Jan
TI  - The relationship of knee and ankle weakness to falls in nursing home residents: 
      an isokinetic study.
PG  - 13-20
AB  - The strength of the knees and ankles of a group of nursing home residents with a 
      history of falls was compared to age-matched controls. Peak torque (PT) and power 
      (POW) were recorded at two limb velocities (60 degrees/s and 120 degrees/s) on a 
      Cybex II Isokinetic dynamometer for four muscle groups: knee extensors, knee 
      flexors, ankle plantar flexors and ankle dorsiflexors. The PT and POW of fallers 
      were significantly decreased for all four muscle groups in comparison to 
      controls, with the ankles showing the greatest decrements. Although POW in 
      fallers was significantly lower at the higher velocity in both joints, the 
      decrease was most prominent in the ankles. Dorsiflexion POW production in fallers 
      was the most affected of all the motions (7.5 times less than the control value). 
      At the higher, more functional limb velocities, ankle weakness particularly 
      involving the dorsiflexors appears to be an important factor underlying poor 
      balance.
FAU - Whipple, R H
AU  - Whipple RH
FAU - Wolfson, L I
AU  - Wolfson LI
FAU - Amerman, P M
AU  - Amerman PM
LA  - eng
GR  - P01 AGO3949-04/AG/NIA NIH HHS/United States
PT  - Journal Article
PT  - Research Support, U.S. Gov't, P.H.S.
PL  - United States
TA  - J Am Geriatr Soc
JT  - Journal of the American Geriatrics Society
JID - 7503062
SB  - IM
MH  - *Accidental Falls
MH  - *Accidents
MH  - Aged
MH  - Aged, 80 and over
MH  - Ankle/*physiopathology
MH  - Biomechanical Phenomena
MH  - Female
MH  - Humans
MH  - Knee/*physiopathology
MH  - Locomotion
MH  - Male
MH  - Movement Disorders/physiopathology
MH  - *Muscle Contraction
MH  - Muscles/physiopathology
MH  - *Nursing Homes
MH  - Postural Balance
MH  - Posture
EDAT- 1987/01/01 00:00
MHDA- 1987/01/01 00:01
CRDT- 1987/01/01 00:00
PHST- 1987/01/01 00:00 [pubmed]
PHST- 1987/01/01 00:01 [medline]
PHST- 1987/01/01 00:00 [entrez]
AID - 10.1111/j.1532-5415.1987.tb01313.x [doi]
PST - ppublish
SO  - J Am Geriatr Soc. 1987 Jan;35(1):13-20. doi: 10.1111/j.1532-5415.1987.tb01313.x.