Finger Analysis

A computer kinematic assessment is performed for index finger flexion/extension. The Examinee is asked to perform each maneuver 8-10 repetitions to full range and as quickly as possible. The events are video taped in a precisely calibrated field for computer analysis. Each event is analyzed for total dynamic range of motion and peak velocity quantity and quality. Consistency of results [coefficient of variation] is considered for determining Examinee effort. After a thorough discussion of expectations, and agreement of understanding by the Examinee, the Examinee is asked to perform the movement events.

Preparation

• APAS - CAPDV;
• Chair
• DV Camcorder with firewire connection to the data collection computer;
• Calibration frame.

Large frame	Small frame

Room Setup

• Clear the working area of any obstructions that may block the camera views.
• Place a reflective marker (fixed point) anywhere in the view where the Examinee or Assistant/Examiner will not block it during motion.

Camera Setup

• Look through the viewfinder, make sure you can see the entire frame - plus enough space surrounding frame - to film the entire sequence.
• Set focus to auto focus then back to manual focus.
• Set shutter speed at 1/250 s.

[ Last revised on 01/12/2004 ]

Finger Flexion/Extension

	Examples		Description
Markers		Five markers	# Left Right Radial 1. L.TIP2 R.TIP2 Tip of finger 2. L.DIP2 R.DIP2 DIP joint 3. L.PIP2 R.PIP2 PIP joint 4. L.MP2 R.MP2 MP joint 5. L.WRIST R.WRIST Radial aspect of wrist
Calibration		Small calibration cube	Check computer screen and recheck the position of the cube, the cameras, and the fixed point. Capture data for 0.5 s.
Protocol			Make sure Examinee is in center of view field. The Examinee must be aligned in the field of the front portion of the calibration cube. If acceptable, proceed with data collection. Capture data for 25 s.
	Cervical Flexion	Cervical Extension	[ View typical results ]

Typical Results

Picture 34: LeftFinger Flexion -

Picture 35: LeftFinger Extension -

Picture 36: RightFinger Flexion -

Picture 37: RightFinger Extension -

Chart 11: Finger MP Flexion/Extension

Table 11: Finger MP Flexion/Extension (F/E) Range of Motion [degrees] F+ Left E- Left F+ Right E- Right Norm (mean) 80 0 80 0 Examinee Sample (mean) 67.9 -5.4 41.9 7.6 Standard Deviation (sd) 1.55 2.24 10.83 1.95 Range of Motion (rom) 73.3 73.3 34.3 34.3 Trial Consistency (sd/rom) 2.1% 3.1% 31.6% 5.7% Degrees of Freedom (df) 9 8 7 6 H0: Examinee = Norm Reject Accept Reject Reject Probability (p0) 0.00000 0.00004 0.00001 0.00002 Level of Confidence 99% 99% 99% 99% H1: Side = Opposing Side Accept Accept Reject Reject Probability (p1) 0.00000 0.00000 0.00000 0.00000

Chart 12: Finger PIP Flexion/Extension

Table 12: Finger PIP Flexion/Extension (F/E) Range of Motion [degrees] F+ Left E- Left F+ Right E- Right Norm (mean) 80 0 80 0 Examinee Sample (mean) 101.8 -8.5 102.7 -.5 Standard Deviation (sd) 9.8 1.37 1.09 1.27 Range of Motion (rom) 110.4 110.4 103.2 103.2 Trial Consistency (sd/rom) 8.9% 1.2% 1.1% 1.2% Degrees of Freedom (df) 9 9 7 8 H0: Examinee = Norm Accept Accept Accept Accept Probability (p0) 0.00003 0.00000 0.00000 0.12502 Level of Confidence 95% 95% 95% 95% H1: Side = Opposing Side Accept Accept Accept Reject Probability (p1) 0.40417 0.00000 0.40417 0.00000

Chart 13: Finger DIP Flexion/Extension

Table 13: Finger DIP Flexion/Extension (F/E) Range of Motion [degrees] F+ Left E- Left F+ Right E- Right Norm (mean) 80 0 80 0 Examinee Sample (mean) 67.8 6.7 59.8 10.3 Standard Deviation (sd) 4.06 1.75 1.77 1.19 Range of Motion (rom) 61.1 61.1 49.6 49.6 Trial Consistency (sd/rom) 6.6% 2.9% 3.6% 2.4% Degrees of Freedom (df) 9 9 7 8 H0: Examinee = Norm Reject Reject Reject Reject Probability (p0) 0.00000 0.00000 0.00000 0.00000 Level of Confidence 95% 95% 95% 95% H1: Side = Opposing Side Accept Accept Reject Reject Probability (p1) 0.00005 0.00004 0.00005 0.00004

Summary 8: Kinematic Finger Assessment

description side norm mean sd rom cons df0 h0 p0 conf h1 p1 Index finger MP Flexion Left 80 67.9 1.55 73.3 2.1% 9 Reject 0.00000 99% Accept 0.00000 Index finger MP Extension Left 0 -5.4 2.24 73.3 3.1% 8 Accept 0.00004 99% Accept 0.00000 Index finger PIP Flexion Left 80 101.8 9.8 110.4 8.9% 9 Accept 0.00003 95% Accept 0.40417 Index finger PIP Extension Left 0 -8.5 1.37 110.4 1.2% 9 Accept 0.00000 95% Accept 0.00000 Index finger DIP Flexion Left 80 67.8 4.06 61.1 6.6% 9 Reject 0.00000 95% Accept 0.00005 Index finger DIP Extension Left 0 6.7 1.75 61.1 2.9% 9 Reject 0.00000 95% Accept 0.00004 Index finger MP Flexion Right 80 41.9 10.83 34.3 31.6% 7 Reject 0.00001 99% Reject 0.00000 Index finger MP Extension Right 0 7.6 1.95 34.3 5.7% 6 Reject 0.00002 99% Reject 0.00000 Index finger PIP Flexion Right 80 102.7 1.09 103.2 1.1% 7 Accept 0.00000 95% Accept 0.40417 Index finger PIP Extension Right 0 -.5 1.27 103.2 1.2% 8 Accept 0.12502 95% Reject 0.00000 Index finger DIP Flexion Right 80 59.8 1.77 49.6 3.6% 7 Reject 0.00000 95% Reject 0.00005 Index finger DIP Extension Right 0 10.3 1.19 49.6 2.4% 8 Reject 0.00000 95% Reject 0.00004

See also

akfce	Functional Capacity Evaluation
akfce.case	Case Information
akfce.cervical	Cervical Assessment
akfce.elbow	Elbow Analysis
akfce.emg	EMG Protocol
akfce.eval	Evaluation
akfce.fce	Functional Capacity Evaluation
akfce.finger.index	Finger Analysis
akfce.finger.thumb	Thumb Analysis
akfce.gait	Gait Analysis
akfce.grip	Grip Settings
akfce.interview	Examinee Interview
akfce.job	Job description
akfce.shoulder	Shoulder Analysis
akfce.strength	Strength Protocol
akfce.wrist	Wrist Analysis
gait	Data collection protocols for gait analysis
sports	Data collection protocols for sports
Wizard window	Questions and answers

• Number of tests where Examinee performed subnormal: 7 of 12
• Number of tests where Examinee performed asymmetrically (one side worse than the other): 5 of 12
• Number of tests where Examinee performed worse on Left Side than on Right Side: 0 of 6
• Number of tests where Examinee performed worse on Right Side than on Left Side: 5 of 6

Significant Findings Kinematic Finger Assessment: