Index

A

Achilles tendon 74, 86-87, 166

air leg 178-180

ankle, SAT and 85, 86

apps for video analysis 63

arm action 43-44, 129, 132-133

B

barefoot running 52

body lean drills 118-122

contrast runs 79-80, 91, 97-98, 121-122

gait patterns 155-158

higher cadence drills 95-97

impact forces in 15-16, 155-156

lower SAT drills 88, 89

midfoot-striking drills 75-78

in young Kenyan runners 25-26, 162

body lean. See lean

braking forces

body lean and 44, 123

cadence and 53

foot-strike and 17, 29, 126, 174-175

horizontal 140-141, 150-151

leg stiffness and 29-30, 126

ROS/MSA and 39

shank angle and 22-24, 33, 37, 140-144

shoes and 163-165

C

cadence 42

in elite runners 23-25, 42

foot-strike pattern and 14, 18, 42, 53

increasing 51-54, 93-98, 101-105, 108

injuries and 49-50, 52-54

lean and 42

optimal step rate 93-94

posture and 129

shoes and 161

calf-muscle complex 74, 85-87, 166

contrast runs 79-80, 91, 97-98, 121-122

D

drills. See workout routines

E

elbows, posture and 133

elite runners. See also Kenyan runners

American and international women 170-172, 173

cadence in 23-25, 42

form in 18-23, 25-26, 170-173

MSA in 170, 175-176

ROS/MSA in 20-22, 170

explosive training 11, 54-55, 99-111. See also workout routines

F

FAT (foot angle at touchdown) 41, 66, 67, 70

fatigue, form and 15

feet 74, 87, 126, 130, 159. See also foot-strike patterns

fling, drop, stop, and flop pattern 207-208

foot angle at touchdown (FAT) 41, 66, 67, 70

foot-strike patterns. See also forefoot-strike pattern; heel-strike pattern; midfoot-strike pattern

braking forces and 17, 29, 126, 174-175

cadence and 18, 42, 142

drills for changing 76-80

in elite Kenyan runners 18-21, 24-26, 55-56, 138

in history 24

impact forces 15-16, 41, 73-76, 158-161

impact transient 41, 155-159, 164

injuries and 48-49, 50-51, 75-76, 142-143

in men and women 16, 170-172, 180-181

one-hundredth of a second effect 142

in ordinary runners 13-15

propulsive forces and 138-142

ROS and 150

shoes and 15, 24-26, 72, 156-159, 163-165

transition period for 73-75, 205-206

force patterns. See braking forces; impact forces; propulsive forces

forefoot-strike pattern 40-41. See also foot-strike patterns

impact forces and 53, 160-161

injury and 48-49

performance and 17, 55, 138, 170

stance time and 10, 17

use frequency 14-15, 24-25

form. See also foot-strike patterns; specific measures of form

air leg 178-180

in elite runners 18-20, 170-172, 173

fatigue and 15

“kidney bean” trajectory 3-4, 35-36

in male and female runners 180-181

in non-elite runners 13-14, 173-175

in older runners 181

optimal 9-10, 68-70, 137

quantification of 7-9

in right- and left-leg runners 181-182

running economy and 5-7

in sprinters 175-178

form training 203-211. See also workout routines

as base training 203-204

fling, drop, stop, and flop 207-208

progression of 205-206

quick-start guide 209-210

shoes in 208-209

swing, sweep, coil, and spring 208-209

G

gait patterns 155-159. See also foot-strike pattern

golden ratio. See ROS/MSA

H

head and neck 130, 133

heel-strike pattern. See also foot-strike patterns

braking forces in 17, 29, 126, 174-175

cadence and 52-54

contrast runs for 97-98

in elite runners 24-25

fatigue and 15

force patterns in 48, 73-76, 138-141, 158-159, 163

gait cycle in 138-139

injuries and 48-49, 50-51, 75-76

performance and 16, 55-56

shoes and 24-26, 156-159, 161-165

hips

hip adduction 49-51, 53

in positive posture 36, 127, 131

SAT and 84, 87

horizontal forces 140-142, 150-151, 164

I

iliotibial band syndrome (ITBS) 49, 50-51

impact forces 41

in barefoot running 15-16, 155-156

in heel-strikers 15-17, 41, 73-76, 158-159

leg stiffness and 29-30

in midfoot- and forefoot-strikers 74-75, 160-161

shoes and 155-156, 164

impact transient 41, 155-159, 164

injuries

back 128

cadence and 49, 50, 52-54

foot-strike and 48-51, 75-76, 142-143

knees 49, 84, 87, 126, 131

posture and 126-127

prevalence of 47-48

SAT and 50-51, 113

ITBS (iliotibial band syndrome) 49, 50-51

K

Kenyan runners

barefoot running by 25-26, 162

braking forces in 22-23

cadence in 23-25

foot-strike in 18-21, 24-26, 55-56, 138

form in 18-22, 23, 25-26

posture in 25-26

ROS/MSA in 20

shank angle in 21-24, 55-56

shoes and 162

“kidney bean” trajectory 3-4, 35-36

kinetic energy 36-38

knees

injuries 49, 84, 87, 126, 131

knee angle 126, 157-158

L

lean 42, 113

cadence and 42

drills for 118-122

optimal 42, 44, 117-118

running velocity and 114-118

terrain and 123

left-leg runners 181-182

M

maximal aerobic capacity 43, 54

maximum shank angle. See MSA (maximum shank angle)

metatarsal bones, foot 74, 87, 166

metronome use 95

midfoot-strike pattern 40. See also foot-strike patterns

cadence and 42, 53

criticism of 75

force patterns in 48-49, 74, 139-141, 160-161

performance and 16-17, 40-41, 55-56

stance time and 18

use frequency 14-15, 24

MSA (maximum shank angle)

elite distance runners 20-21, 170, 175-176

measurement of 33-34, 63-65

non-elite runners 151, 173-174

ROS and 35

running speed and 34, 70

shoes and 165

sprinters 175-176, 177

N

non-elite runners

foot-strike frequency in 14-15

form in 13-14, 173-175

MSA in 151, 173-174

ROS in 38, 173-174

ROS/MSA in 151

SAT in 23, 174, 175

O

older runners 181

one-hundredth of a second effect 142

oxygen cost of running 6-7, 43

P

pelvic position 36

performance 11, 16, 54-56, 113

posture 43-45, 125-135

arms 43-44, 129, 132-133

body parts in 125

correct whole-body 134-135

in Kenyan runners 25-26

pelvic position 36

proper set-up 130-133

stretching and 132

sub-optimal patterns 126-130

trunk rotations 43-45, 128

from video analysis 70-71

pronation 166-167, 180

propulsive forces 138-144

horizontal 140-142, 150-151, 164

vertical 139-140, 143-144, 150-151, 164, 179

Q

Q angle 180-181

quick-start guide 209-210

R

reaction time 95, 102, 105-107

rearfoot-strike pattern. See heel-strike pattern

right-leg runners 181-182

ROS (reversal of swing) 35

in elite distance runners 20-22, 170

functions of 36-38, 150

MSA and 35, 39

in non-elite runners 38, 173-174

shoes and 165

from video data 67, 68, 151

ROS/MSA

in elite runners 20, 170, 175

importance of 39-41, 151

optimal values 68-70

swing, sweep, coil, and spring 208-209

from video data 63, 67, 68

running economy 6-7, 56, 143

running surface 80, 91, 97-98, 121

S

SAMVF (shank angle at maximal vertical propulsive force) 143

SAT (shank angle at initial ground contact)

angular velocity during contact 177

braking forces and 24, 33, 140-141

cadence and 49, 53

drawbacks of lower 85-87, 88, 143

in elite runners 20, 23, 145-147

heel-strike distance and 50-51, 53

injuries and 50-51, 113, 143

landing impact and 87-88

midfoot-striking and 83, 84

in non-elite runners 23, 174, 175

optimal 68-70, 113, 144

performance and 55-56, 113, 148-149

ranges of 143-144, 151

ROS and 150

shoes and 163-164, 165

sudden changes in 83-85

training for transitioning 87-90

video measurement of 65-66

shank angle measurement 30-32, 33, 65-66. See also SAMVF; SAT

shins, SAT and 84, 85

shoes

fatigue and 15

foot-strike and 24-26, 156-159, 163-165

gait patterns and 155-158

impact forces and 155-156, 158-161

impact transient and 155-156

Kenyan runners and 162

knee angle and 157-158

pronation and supination 166-167

thick-soled 25-26, 161-166, 208-209

transition to minimalist 74, 160, 165-166

zero-drop 161, 162

shoulders, posture and 132

speed

body lean and 114-118

equation for 23, 93

foot-strike pattern and 17, 23

increasing 61-62, 111

MSA and 34

VALR ratio to 141

vertical force and 143-144

sprinters 175-180

stance

duration of 55, 142, 175

foot-strike and 17-18, 55-56, 138-141

ROS/MSA and 39

in runners and sprinters 177-178

SAT and 87

shoes and 164

speed and 93-95, 142

training and 55, 99-111

step length 6-7, 93-95, 102, 127

step rate. See cadence

still point 20-21, 138-139, 150, 165

straight-leg landing 17

strength training 185-202. See also workout routines

supination 166-167

sweep 4, 10, 18, 20-23

swing 4, 10, 18, 20. See also ROS (reversal of swing)

swing, sweep, coil, and spring 208-209

T

traditional running form 3-10

description of 3-4

quantification of 7-9

running economy and 5-7

training surface 80, 91, 97-98, 121

trunk 43-45, 128

V

VALR (vertical average loading rate)

injury and 141-143, 167, 208-209

SAT and 48-49, 87

vertical forces 139-140, 143-144, 150-151, 164, 179

video analysis 61-71

in body lean drills 119-121

in cadence transition 96-97

FAT from 66, 67

form goals from 68-70

leg comparison from 67, 68-70

MSA from 63-65

posture from 70-71, 134-135

ROS from 68

ROS/MSA from 68, 151

SAT from 144

taking video footage 61-63, 135

VMART 54

O2max 43, 54

W

workout routines

explosive 99-111

4 × 400 111

cool down 111

diagonal hops 103

double-leg hurdle jumps 101

downhill hops 109

downhill running 110

greyhound runs 105

high-knee explosions 107

one-leg hops in place 102

one-leg squats with jumps 104

one-leg squats with lateral hops 106

Shane’s in-place accelerations 108

skipping 100

warm up 100

for strength training 185-202

balance and eccentric reaches with toes 193, 194

bicycle leg swings with stretch band 197, 198

critical variables in 185-187

high bench step-ups 195, 196

lunges with balance-challenging and core-building ball movement 191, 192

one-leg squats 188

partial squats 200

reverse bicycle leg swings with stretch band 199

runner’s poses 189

toe walking with opposite ankle dorsiflexion 190

training surface 80, 91, 97-98, 121

for transitioning

body lean 118-121

contrast runs 79-80, 91, 97-98, 121-122

explosive training 99-111

higher cadence 95-97

lower SAT 88-90

midfoot-strike transition 76-80

Z

zero (still) point 20-21, 138-139, 150, 165