Quadriceps Tendon Ruptures
Fig. 10.1 (a) Surface anatomy of the knee in resisted extension. (b) Anatomical depiction of the underlying knee extensor mechanism. Part (b) was published in DeLee and Drez’s Orthopaedic Sports…
Quadriceps and Hamstrings Strength in Athletes
Fig. 2.1 Setup for isokinetic testing of quadriceps and hamstrings strength When assessing quadriceps and hamstrings strength in athletes, several outcome measures may be of interest. The most common measure…
Contusions, Myositis Ossificans, and Compartment Syndrome of the Thigh
Fig. 9.1 Quadriceps relaxed Fig. 9.2 Quadriceps contracted Fig. 9.3 Quadriceps anterior Imaging is needed to help confirm the presence of MO. Modalities can include plain radiography, ultrasound, or MRI….
Midsubstance Hamstring Injuries in the Athlete
Fig. 4.1 Hamstring muscular complex located in the posterior thigh. Muscles of the complex include: the semimembranosus, semitendinosus, and the biceps femoris Fig. 4.2 (a) The origin of the long…
Hamstring Harvest: Rehabilitation and Clinical Outcomes
Fig. 7.1 Typical appearance of the semitendinosus (longer) and gracilis (shorter) tendons after harvest for ACL reconstruction. With kind permission from Springer Science + Business Media: Magnetic Resonance Imaging of the Knee,…
Proximal Quadriceps Injuries in Athletes
Fig. 8.1 Anatomy of the quadriceps muscle. (a) Deep plane, (b) superficial plane. VL vastus lateralis, VI vastus intermedius, VM vastus medialis, RF rectus femoris. Reproduced from Pasta G, Nanni…
Biologic Enhancement of Healing in Ham Injuries
Formulation Type Volume (mL) Platelet concentration over plasma WBC content Cascade (MTF) Platelet-rich fibrin 4.5 1.3×–1.7× Low ACP (Arthrex) Platelet-rich plasma 4–7 2×–3× Low GPS III (Biomet) Leukocyte-rich plasma 6…
Epidemiology of Hamstring and Quadriceps Injury
Injury rates of specific injuries Injury Total occurrences AE/1,000 in practice AE/1,000 in games IRRb 95 % CIc Knee sprain 120 2.12 10.84 5.1 4.8–5.4 Hamstring strain 85 1.79 4.07…
Closed Injuries: Bone, Ligament, and Tendon
Fig. 2.1 Flexion deformity of the distal interphalangeal (DIP) joint: the mallet finger An eccentric axial load to the tip of the finger causing the distal interphalangeal (DIP) joint to…
Rehabilitation of the Fingertip
Fig. 11.1 Wrap technique to produce a rounded residual tip Fig. 11.2 Wrap technique to produce a rounded residual tip Scar massage is an adjunctive intervention that is begun promptly…
