1

2

SWING PHASE:OSCILLATION OF THE SHIN

- INCORRECT INITIAL KNEE ROTATION

- INCORRECT SOCKET FITTING

- INCORRECT SOCKET ALIGNMENT

- INSUFFICIENT SUSPENSION OR INCORRECT LOCATION OF THE SILESIAN BELT

PROSTHESIS

- WEAK AND FLASKY STUMP

PATIENT

VISIBLE INTERNAL OR EXTERNAL ROTATION OF KNEE

MID SWING PHASE

3

- PROSTHESIS IS TOO LONG

- INSUFFICIENT SOCKET ABDUCTION - INSUFFICIENT LATERAL FEMORAL SUPPORT - MEDIAL SHELF IS TOO HIGH

- EXCESSIVE SUSPENSION OR INCORRECT LOCATION OF THE SILESIAN BELT

PROSTHESIS

- SHORT STUMP

- ABDUCTORS CONTRACTURE - PAIN IN PERINEAL AREA

- INSECURE BALANCE

- BAD GAIT HABIT

PATIENT

WALKING BASE IS TOO WIDE

SWING PHASE:ABDUCTED GAIT

4

- PROSTHESIS IS TOO LONG

- EXCESSIVE PLANTAR FLEXION

- INSUFFICIENT SUSPENSION (PISTONING)

- INCORRECT SOCKET FITTING

- EXCESSIVE SUSPENSION OR INCORRECT LOCATION OF THE SILESIAN BELT

- INSUFFICIENT ABDUCTION OF THE SOCKET

- MEDIAL SHELF IS TOO HIGH - ANTERIORL DISPLACEMENT OF THE SOCKET

- EXCESSIVE FRICTION IN KNEE AXIS

- EXCESSIVE STRENGTH OF THE EXTENSION AID

PROSTHESIS

- ABDUCTORS CONTRACTURE

- INSUFFICIENT HIP FLEXION

- WEAK QUADRICEPS MUSCLES

- FEAR OF TOUCHING GROUND

- PAIN IN PERINEAL AREA

- BAD GAIT HABIT

PATIENT

PROSTHESIS CURVES LATERALLY

SWING PHASE:CIRCUMDUCTION

5

- PROTESIS IS TOO LONG

- EXCESSIVE PLANTAR FLEXION

- ANTERIOR DISPLACEMENT OF THE FOOT

- INSUFFICIENT SUSPENSION (PISTONING)

- INCORRECT SOCKET FITTING

- ANTERIOR DISPLACEMENT OF THE SOCKET

- EXCESSIVE FRICTION IN KNEE AXIS

- EXCESSIVE STRENGTH OF THE EXTENSION AID

PROSTHESIS

- INSUFFICIENT HIP FLEXION

- WEAK QUADRICEPS MUSCLES

- FEAR OF TOUCHIG GROUND

- BAD GAIT HABIT

PATIENT

EXCESSIVE ELEVATION OF PELVIS AND SHOULDEROF THE PROSTHETIC SIDE

SWING PHASE:ELEVATION OF THE PELVIS

6

- PROSTHESIS IS TOO SHORT

- EXCESSIVE ABDUCTION OF THE SOCKET

- INSUFFICIENT LATERAL FEMORAL SUPPORT

- MEDIAL SHELF IS TOO HIGH

PROSTHESIS

- WEAK ABDUCTOR MUSCLES (TRENDELENBURG SINDROM) OR ABDUCTORS CONTRACTURE

- SHORT STUMP

- HYPER SENSITIVE STUMP

- INSUFFICIENT BALANCE

- BAD GAIT HABIT

PATIENT

LATERAL INCLINATION OF THE TRUNKTO THE PROSTHETIC SIDE

SWING PHASE:LATERAL TRUNK BENDING

7

HEEL CONTACT:OSCILATION OF THE FOOT

- HARD HEEL CUSHION

- EXCESSIVE EXTERNAL FOOT ROTATION - INCORRECT SOCKET ALIGNMENT

PROSTHESIS

- SHORT STUMP

- WEAK AND FLASKY STUMP

- EXCESSIVE HEEL STRIKE

PATIENT

VISIBLE OSCILATION OF THE FOREFOOT

8

- ANTERIOR DISPLACEMENT OF THE SOCKET

- INSUFICIENT FLEXION OF THE SOCKET

- EXCESSIVE DORSAL FLEXION

- HARD HEEL CUSHION

PROSTHESIS

- WEAK GLUTEAL MUSCLES

PATIENT

HEEL CONTACT WITH THE GROUND IS TOO SHORT

HEEL CONTACT:EARLY HEEL ROLLOVER

9

- SOFT HEEL CUSHION

- EXCESSIVE PLANTAR FLEXION

PROSTHESIS

- WEAK HIP EXTENSORS, NOT PROVIDING SUFFICIENT ANTERIOR KNEE STABILITY

PATIENT

SLAP OF THE FOREFOOT TO THE GROUND

HEEL CONTACT:FOOT SLAP

10

DECELERATION PHASE:TERMINAL IMPACT

- INSUFFICIENT FRICTION IN KNEE AXIS

- EXCESSIVE STRENGTH OF THE EXTENSION AID

- EXTENSION BUFFER IS TOO HARD

PROSTHESIS

- EXCESSIVE ACCELERATION FORCE

- BAD GAIT HABIT

PATIENT

VISIBLE SHOCK IN THE KNEE

11

HEEL RAISE PHASE:LUMBAR HYPER LORDOSIS

- INSUFFICIENT FLEXION OF THE SOCKET

- PROSTHESIS IS TOO LONG

- ISCHIAL SEAT IS TOO HIGH OR ANTERIORLY INCLINED

PROSTHESIS

- HIP FLEXORS CONTRACTURE

- PAIN AT ISCHIUM

- PROBLEM OF ATTITUDE (POSE)

- BAD GAIT HABIT

PATIENT

VISIBLE ANTERIOR LUMBAR BEND

12

MID SWING PHASE:VAULTING

- PROSTHESIS IS TOO LONG

- EXCESSIVE PLANTAR FLEXION

- INSUFICIENT SUSPENSION (PISTONING)

- INCORRECT SOCKET FITTING

- MEDIAL SHELF IS TOO HIGH

- ANTERIOR DISPLACEMENT OF THE SOCKET

- EXCESSIVE FRICTION IN KNEE AXIS

- EXCESSIVE STRENGTH OF THE EXTENSION AID

PROSTHESIS

- FEAR OF TOUCHING GROUND

- VERY SENSITIVE OR PAINFUL STUMP

- BAD GAIT HABIT

PATIENT

RAISE OF THE BODY BY EARLY EXCESSIVE PLANTAR FLEXION ON SOUND SIDE

13

ACCELERATION PHASE:UNEVEN AND RAPID HEEL RAISE

- INSUFICIENT FRICTION IN THE KNEE AXIS

- INSUFFICIENT STRENGTH OF THE EXTENSION AID

- POSTERIOR DISPLACEMENT OF THE SOCKET

PROSTHESIS

- GAIT IS TOO FAST

- EXCESSIVE HIP FLEXION - BAD GAIT HABIT

PATIENT

EXCESSIVE AND RAPID ELEVATION OF THE HEEL

14

TRANSVERSAL VIEW:UNEVEN STEP LENGTH

- ANTERIOR DISPLACEMENT OF TH SOCKET

- EXCESSIVE FLEXION OF THE SOCKET

- PISTONING ACTION

- EXCESSIVE FRICTION IN THE KNEE AXIS

- EXCESSIVE STRENGTH OF THE EXTENSION AID

PROSTHESIS

- SHORT, WEAK OR PAINFUL STUMP

- GAIT FEAR

- LIMITED HIP FLEXION -EXTENSION

- WEAK QUADRICEPS MUSCLES

PATIENT

SHORT STEP ON PROSTHETIC SIDE

15

- INSUFICIENT FLEXION OF THE SOCKET

- EXCESSIVE PLANTAR FLEXION

- INSUFFICIENT FLEXION OF THE KNEE

- EXCESSIVE STRENGTH OF THE EXTENSION AID

PROSTHESIS

- SHORT, WEAK OR PAINFUL STUMP

- HIP EXTENSORS CONTRACTURE

- LIMITED HIP FLEXION - EXTENSION

- INSUFFICIENT STABILITY

- PROBLEMS WITH SOUND LEG

PATIENT

SHORT STUMP ON SOUND SIDE

TRANSVERSAL VIEW:UNEVEN STEP LENGTH