Musculoskeletal Key

Fig. 9.1 Store-bought insole In practice, prefabricated insoles do have significant value in certain circumstances. For example, many people have a limb length discrepancy, either structural or functional. The body…

Fig. 35.1 L3000 L3020: This device is also molded to a patient model but does not have a heel cup nor is it posted (Fig. 35.2). Fig. 35.2 L3020 L3030:…

Fig. 31.1 Men’s molded cleat baseball shoe (Courtesy of New Balance, Boston, MA) Fig. 31.2 Men’s high-top baseball cleats with nonmetal spikes (Courtesy of New Balance, Boston, MA) Lacing techniques…

Helicopter move (half-hop turn) Inner thigh Diagonal lunge Power knees Leg extensions Over the top Straddle the bench Double-knee with jog Jack and jump Karate and squat The foundation to…

Fig. 2.1 In a foot with a normally positioned subtalar joint (STJ) axis (center), the ground reaction force plantar to the calcaneus (GRFC), will cause a STJ supination moment since…

Fig. 28.1 (a and b) Basketball shoes must allow for running, jumping, and lateral movement, while providing lateral stability to the subtalar and ankle joints. (Courtesy of New Balance, Boston,…

Fig. 26.1 (a, b) Ski boot designs Tibial Varum Tibial varum is a biomechanical abnormality that can have a great deal of negative effect upon the skier’s ability to ski…

Fig. 23.2 Sideward (lateral) cutting movements barefoot (left) and with a shoe (right). The shoe sole imparts a greater external inversion moment on subtalar joint than when barefoot Performance Optimum…

The first study by Pfeffer [14] was a well-publicized study that compared the effectiveness of stretching alone to stretching in combination with one of four different shoe inserts in the…