Bones in This Region
- Proximal femur: The greater trochanter is the most clinically important lateral hip landmark — it provides insertion for the hip abductors and deep rotators and is the palpable reference for femoral head position. The lesser trochanter is on the medial-posterior proximal femur (not palpable through soft tissue — reference only). The femoral neck connects the head to the shaft at an angle of approximately 125 degrees (the angle of inclination).
- Distal femur: The medial and lateral femoral condyles are the large, rounded articular surfaces at the distal femur that form the superior portion of the knee joint. The adductor tubercle is a small bony prominence on the superior aspect of the medial femoral condyle.
- Proximal tibia: The tibial tuberosity is the prominent anterior bony projection below the knee where the patellar tendon inserts. Gerdy's tubercle is a smaller lateral projection where the iliotibial band inserts.
- Patella: The largest sesamoid bone in the body, embedded within the quadriceps tendon. It articulates with the femoral trochlear groove and is palpable anteriorly in all positions. Covered in anatomy/joints/patellofemoral-joint rather than here — this page focuses on the non-patellar landmarks.
Palpation Landmarks
Greater Trochanter — Most Important Lateral Hip Landmark
- How to find it: With the client standing or side-lying (affected side up), place the heel of your hand on the lateral hip, approximately halfway between the iliac crest and the knee. The greater trochanter is the broadest bony prominence under your hand. It is approximately a hand-width (8–10 cm) below the iliac crest. Alternatively, locate the midpoint of a line between the ASIS and the ischial tuberosity — the greater trochanter is at this level, directly lateral.
- What it feels like: A broad, flat bony surface facing laterally. It is larger than most students expect — approximately 5 cm tall and 3 cm wide. The superior border (tip) is approximately level with the pubic symphysis anteriorly. The ITB and the trochanteric bursa overlie it — you palpate through these structures to reach bone.
- Client position: Side-lying with the affected side up (best for detailed palpation and confirmation) or standing (for functional assessment). Prone is also acceptable.
- Confirmation: Place your fingertip on the trochanter and ask the client to slowly internally and externally rotate the hip (with the knee flexed to 90 degrees in side-lying). The trochanter rolls under your finger — it moves anteriorly with internal rotation and posteriorly with external rotation. This rolling motion is the definitive confirmation. No soft tissue structure moves in this rotational pattern.
- Common errors: Palpating too far anteriorly (onto the femoral neck region, which is not palpable) or too far posteriorly (onto the gluteal muscle mass). The trochanter faces directly laterally. Also, confusing the soft tissue fullness of the ITB and trochanteric bursa with the bone itself — press firmly through these structures to feel the hard bone underneath. In overweight clients, the trochanter may be deeply buried — the rotation test is essential for confirmation.
- Clinical significance: The gluteus medius and minimus insert on the trochanter (see Muscle Attachments) — tenderness here is the hallmark of greater trochanteric pain syndrome, which is more commonly gluteal tendinopathy than true bursitis. The trochanteric tip approximates the center of the femoral head — a trochanter sitting higher than expected on one side suggests coxa vara, femoral neck fracture, or hip dislocation. The midpoint between the PSIS and the greater trochanter is where the sciatic nerve emerges — a critical avoidance zone during deep gluteal work (see anatomy/bones/lumbar-spine-pelvis-landmarks for details).
Femoral Condyles — Medial and Lateral
- How to find it: With the client supine and the knee flexed to 90 degrees, place your hands on either side of the knee. The femoral condyles are the two large, rounded bony masses at the distal femur — one on each side of the knee. They are most prominent posteriorly and inferiorly. With the knee flexed, the condyles become accessible as the patella shifts superiorly and the joint line opens.
- What it feels like: Large, smooth, curved bony surfaces — each approximately 3–4 cm in diameter. The medial condyle extends more distally than the lateral condyle (contributing to the normal valgus alignment of the knee). Both condyles are covered by a thin layer of soft tissue and are easily palpable.
- Client position: Supine with the knee flexed to 90 degrees (foot flat on the table). This position exposes the condyles optimally.
- Confirmation: The condyles are the bony masses immediately proximal to the joint line of the knee. If you slide your finger distally from the condyle, you drop off the edge into a depression — this is the joint line (the gap between the femur and tibia where the menisci sit). The condyles do not move independently — they move with the femur during knee flexion and extension.
- Common errors: Confusing the femoral condyles with the tibial plateau (which is immediately distal to the joint line) or with the tibial condyles. The femoral condyles are proximal to the joint line; the tibial structures are distal. Also, palpating the condyles with the knee extended makes them harder to distinguish because the patella covers the anterior surface.
- Clinical significance: Condylar tenderness may indicate osteoarthritis, osteochondral defect, or contusion. The medial condyle is the femoral attachment of the MCL — tenderness at the medial femoral condyle (specifically at the epicondyle above it) may indicate MCL injury. The lateral condyle is the origin of the popliteus — tenderness at the posterolateral condyle may indicate popliteus involvement.
Adductor Tubercle
- How to find it: With the client supine and the knee flexed, locate the medial femoral condyle. Slide your finger superiorly along the medial condyle — the adductor tubercle is a small bony prominence on the superior-medial aspect of the medial condyle, approximately 1–2 cm above the joint line. It is the most medial bony point of the distal femur.
- What it feels like: A small, rounded bony point — approximately the size of a pencil eraser. It is less prominent than the condyle below it but distinct enough to feel as a small bump on the superomedial femur.
- Client position: Supine with the knee flexed to approximately 90 degrees.
- Confirmation: The adductor magnus (ischial fibers) inserts on the adductor tubercle. Press on the tubercle and ask the client to adduct the thigh against resistance — you may feel the tendon of the adductor magnus tighten at the tubercle.
- Common errors: Confusing the adductor tubercle with the medial epicondyle of the femur (the medial epicondyle is the broader prominence where the MCL attaches — the adductor tubercle is a more discrete point on its superior aspect). In practice, the adductor tubercle and medial epicondyle are adjacent and sometimes difficult to distinguish.
- Clinical significance: Insertion of the adductor magnus ischial fibers — tenderness here may indicate distal adductor tendinopathy. Also used as a measurement landmark: the adductor tubercle marks the distal extent of the medial thigh for draping purposes and is a reference point for Q-angle measurement.
Tibial Tuberosity
- How to find it: With the client supine and the knee extended or slightly flexed, locate the inferior pole of the patella. Slide your finger distally — you pass over the patellar tendon (a thick, taut band) and arrive at a prominent bony bump on the anterior proximal tibia. This is the tibial tuberosity. It is approximately 3–4 cm below the inferior patellar pole.
- What it feels like: A distinct, broad bony prominence on the anterior tibia, approximately 2 cm wide. It is easily palpable and often visible as a prominent bump below the knee. The patellar tendon attaches to its superior surface.
- Client position: Supine or seated with the knee extended or slightly flexed.
- Confirmation: The tibial tuberosity is in the anterior midline of the proximal tibia. It does not move. The patellar tendon inserts directly onto it — palpating from the patella distally, the tendon leads directly to the tuberosity.
- Common errors: Confusing the tibial tuberosity with the anterior tibial crest (the shin), which begins at the tuberosity and extends distally. The tuberosity is the distinct bump; the crest is the long, sharp anterior edge of the tibial shaft below it.
- Clinical significance: Insertion of the patellar tendon — tenderness at the tuberosity in adolescents is the hallmark of Osgood-Schlatter disease (traction apophysitis of the tibial tuberosity growth plate). In adults, tenderness here suggests patellar tendinopathy (distal). The tibial tuberosity is a component of Q-angle measurement (line from ASIS to patella center to tibial tuberosity — see Assessment Reference Points).
Gerdy's Tubercle
- How to find it: From the tibial tuberosity, move laterally approximately 2 cm. Gerdy's tubercle is a small bony prominence on the anterolateral aspect of the proximal tibia, just below and lateral to the lateral tibial condyle. It is approximately at the same level as the tibial tuberosity but on the lateral side.
- What it feels like: A small, rounded bony point, less prominent than the tibial tuberosity. It may feel like a subtle bump on the lateral tibial surface.
- Client position: Supine with the knee slightly flexed.
- Confirmation: The iliotibial band (ITB) inserts on Gerdy's tubercle. Ask the client to extend the knee against resistance while you palpate — the ITB tightens and you may feel its insertion tighten at Gerdy's tubercle.
- Common errors: Confusing Gerdy's tubercle with the fibular head (which is more lateral, more posterior, and more distal — the fibular head is a distinct bony prominence on the posterolateral aspect of the proximal leg). Gerdy's is on the tibia itself, anterior to the fibular head.
- Clinical significance: Insertion of the iliotibial band. Tenderness at Gerdy's tubercle is less common than ITB tenderness at the lateral femoral condyle (where ITB friction syndrome occurs), but it can indicate distal ITB irritation or proximal tibiofibular joint involvement.
Femoral Triangle
- How to find it: The femoral triangle is a soft tissue space, not a bony landmark, but its boundaries are defined by bony and muscular landmarks. With the client supine, locate the inguinal ligament (a taut band running from the ASIS to the pubic tubercle) — this forms the superior boundary. The medial boundary is the adductor longus (ask the client to adduct the hip to make it prominent). The lateral boundary is the sartorius. The floor is formed by the iliopsoas (laterally) and the pectineus (medially).
- What it feels like: A soft, depressed triangular area in the proximal anterior thigh, just below the inguinal ligament. The femoral pulse is palpable within the triangle, approximately midway between the ASIS and the pubic symphysis.
- Client position: Supine with the hip slightly flexed, abducted, and externally rotated (frog-leg position relaxes the musculature and opens the triangle).
- Confirmation: The femoral pulse is the key confirmation — palpate approximately midway between the ASIS and the pubic symphysis, just below the inguinal ligament. The pulse confirms you are within the femoral triangle. The contents from lateral to medial follow the mnemonic NAVEL: Nerve, Artery, Vein, Empty space (femoral canal), Lymphatics.
- Common errors: Pressing too deeply and aggressively — the femoral nerve, artery, and vein are within the triangle and vulnerable to compression. Use gentle palpation. Also, not locating the inguinal ligament first — without this boundary, the triangle is difficult to orient.
- Clinical significance: The femoral artery pulse is palpated here for vascular assessment. The femoral nerve emerges from beneath the inguinal ligament lateral to the artery — femoral nerve entrapment produces anterior thigh weakness and numbness. Inguinal lymph nodes are palpable in this region when enlarged. This is a sensitive area — explain the clinical reason for palpation and obtain consent before accessing the proximal anterior thigh. Follow CMTO Standards of Practice for sensitive area protocols.
Assessment Reference Points
Q-Angle (Quadriceps Angle)
| Measurement | Landmarks Used | Normal Value | Clinical Significance |
|---|---|---|---|
| Q-angle | Line from ASIS to center of patella, then from center of patella to tibial tuberosity. Angle measured at the patella. | 10–15° (males), 15–20° (females) | Increased Q-angle (>20°) indicates excessive lateral pull on the patella and is associated with patellofemoral pain syndrome, lateral patellar tracking, and predisposition to patellar subluxation |
Leg Length Measurement (Hip to Knee Components)
| Measurement | Landmarks Used | Normal Value | Clinical Significance |
|---|---|---|---|
| True leg length | ASIS to medial malleolus (full measurement in anatomy/bones/lumbar-spine-pelvis-landmarks) | Equal bilaterally (±1 cm) | If a true leg length discrepancy exists, the femoral component can be estimated from ASIS to medial knee joint line, and the tibial component from medial joint line to medial malleolus |
| Greater trochanter height | Bilateral comparison of trochanter height (standing or supine) | Level bilaterally | Unilateral elevation suggests coxa vara, femoral neck pathology, or hip dislocation. Must be differentiated from pelvic obliquity (compare iliac crest heights first) |
Trendelenburg Test Reference
| Observation | Landmarks Used | Normal Finding | Clinical Significance |
|---|---|---|---|
| Pelvic drop during single-leg stance | Iliac crest or ASIS height bilaterally while standing on one leg | The pelvis remains level or rises slightly on the non-stance side | Contralateral pelvic drop (pelvis drops on the non-stance side) indicates weakness of the stance-side hip abductors (gluteus medius/minimus) — a positive Trendelenburg sign |
Draping Reference Points
Anterior Thigh Access
- Landmarks: Inguinal ligament / ASIS (superior boundary), superior border of patella (inferior boundary), ITB / lateral thigh (lateral boundary), adductor muscles / medial thigh (medial boundary).
- Practical instruction: With the client supine, fold the drape diagonally from the ASIS across the proximal thigh to the medial thigh, exposing the anterior and lateral thigh while keeping the groin covered. Tuck the drape securely along the inguinal crease. This provides access to the quadriceps, TFL, ITB, and the anterior femoral shaft. For lateral thigh access, continue the drape exposure to the lateral thigh.
Lateral Thigh Access (Side-lying)
- Landmarks: Iliac crest (superior boundary), lateral femoral condyle (inferior boundary), greater trochanter (key reference).
- Practical instruction: With the client side-lying (affected side up), fold the drape to expose the lateral thigh from the iliac crest to the knee. Tuck the drape along the anterior and posterior thigh to maintain coverage. This provides access to the ITB, vastus lateralis, TFL, and the greater trochanter. Side-lying is the optimal position for assessing and treating the trochanteric region.
Medial Thigh Access (Sensitive Area Protocol)
- Landmarks: Inguinal crease (superior boundary), medial femoral condyle / adductor tubercle (inferior boundary), adductor muscle line (central reference).
- Practical instruction: The medial thigh is a sensitive area under CMTO Standards of Practice. Before draping for medial thigh access: (1) explain the muscles you need to treat and why, (2) describe the draping adjustment, (3) obtain specific verbal consent. With the client supine, flex the knee and allow the hip to fall into slight abduction and external rotation. Fold the drape medially to expose the medial thigh, tucking the drape securely along the medial thigh border. Maintain coverage of the groin at all times. The adductor group (longus, brevis, magnus, gracilis, pectineus) is accessible in this position. Work from inferior to superior (distal to proximal) to allow the client to acclimate to the treatment.
Muscle Attachments
| Landmark | Muscles Attaching | Notes |
|---|---|---|
| Greater trochanter — lateral facet | anatomy/muscles/gluteus-medius (insertion) | Primary hip abductor — the most clinically important trochanteric attachment |
| Greater trochanter — anterior facet | anatomy/muscles/gluteus-minimus (insertion) | Inserts anterior and slightly superior to gluteus medius |
| Greater trochanter — medial surface (trochanteric fossa) | anatomy/muscles/piriformis (insertion), anatomy/muscles/obturator-internus, anatomy/muscles/gemellus-superior, anatomy/muscles/gemellus-inferior | Deep external rotators insert on the medial surface |
| Greater trochanter — posterior surface | anatomy/muscles/obturator-externus (insertion), anatomy/muscles/quadratus-femoris (insertion — at the intertrochanteric crest) | Deep rotators and quadratus femoris attach posteriorly |
| Femoral shaft — linea aspera (posterior) | anatomy/muscles/vastus-medialis, anatomy/muscles/vastus-lateralis, anatomy/muscles/vastus-intermedius, anatomy/muscles/adductor-magnus, anatomy/muscles/adductor-longus, anatomy/muscles/adductor-brevis, anatomy/muscles/biceps-femoris (short head) | The linea aspera is the major attachment line on the posterior femoral shaft |
| Medial femoral condyle (adductor tubercle) | anatomy/muscles/adductor-magnus (ischial fibers — insertion) | Distal adductor magnus insertion |
| Lateral femoral condyle (posterior) | anatomy/muscles/popliteus (origin), anatomy/muscles/gastrocnemius (lateral head — origin) | Popliteus and lateral gastroc originate from the posterolateral condyle |
| Medial femoral condyle (posterior) | anatomy/muscles/gastrocnemius (medial head — origin) | Medial gastroc originates from the posteromedial condyle |
| Tibial tuberosity | Patellar tendon insertion (continuous with anatomy/muscles/quadriceps-femoris via patellar tendon) | The entire quadriceps force transmits through the patella and patellar tendon to the tibial tuberosity |
| Gerdy's tubercle | Iliotibial band (insertion — continuous with anatomy/muscles/tensor-fasciae-latae and anatomy/muscles/gluteus-maximus) | The ITB inserts here as the shared distal tendon of TFL and glut max |
Joint Associations
| Joint | Bones Involved | Type | Key Clinical Feature |
|---|---|---|---|
| anatomy/joints/hip-joint | Femoral head + acetabulum | Ball-and-socket (synovial) | Deepest ball-and-socket joint. The femoral head is not palpable — assessment relies on ROM, provocation tests, and landmark positions (greater trochanter height, femoral triangle). Capsular pattern: IR > flexion > abduction (Cyriax). |
| anatomy/joints/tibiofemoral-joint | Femoral condyles + tibial plateau (with menisci) | Modified hinge (synovial) | Largest synovial joint. Capsular pattern: flexion > extension. Joint line tenderness suggests meniscal pathology. |
| anatomy/joints/patellofemoral-joint | Patella + femoral trochlear groove | Plane (synovial) | The patella tracks in the trochlear groove during knee flexion/extension. Maltracking (lateral) produces anterior knee pain — see Q-angle in Assessment Reference Points. |
Nerve Passages
Femoral Nerve (L2–L4) Beneath the Inguinal Ligament
The femoral nerve emerges from the lateral border of the psoas major, crosses the iliac fossa on the surface of the iliacus, and passes beneath the inguinal ligament lateral to the femoral artery (remember NAVEL — nerve is most lateral). It immediately divides into anterior and posterior branches in the femoral triangle. Clinical relevance: femoral nerve entrapment produces quadriceps weakness (difficulty climbing stairs, giving way of the knee) and anterior thigh numbness. The psoas major can compress the femoral nerve against the iliac fossa — psoas hypertonicity or hematoma is a common cause. When palpating in the femoral triangle, the nerve is lateral to the artery — sustained pressure here can produce temporary anterior thigh numbness.Lateral Femoral Cutaneous Nerve (L2–L3) at the ASIS
The lateral femoral cutaneous nerve crosses the iliac fossa and passes under or through the inguinal ligament near the ASIS. It then descends along the lateral thigh deep to the fascia lata, supplying sensation to the anterolateral thigh. Clinical relevance: compression at the inguinal ligament near the ASIS produces meralgia paresthetica — burning, numbness, and tingling on the lateral thigh. Common causes include tight clothing or belts, obesity, pregnancy, and prolonged hip extension positioning. The nerve is purely sensory — there is no motor deficit. This condition mimics L2–L3 radiculopathy but is distinguished by the absence of motor weakness and a normal straight leg raise.Sciatic Nerve Reference
The sciatic nerve passes through the posterior hip region (covered in detail in anatomy/bones/lumbar-spine-pelvis-landmarks). Its relevance to this region: the nerve descends through the posterior thigh between the hamstrings, deep to the biceps femoris, and divides into the tibial and common fibular (peroneal) nerves at approximately the popliteal fossa. When treating the posterior thigh, avoid sustained deep pressure along the midline of the posterior thigh where the sciatic nerve descends.Clinical Notes
- Greater trochanteric pain syndrome (GTPS) is more commonly gluteal tendinopathy than true trochanteric bursitis. Research shows that the majority of cases involve degenerative changes in the gluteus medius and/or minimus tendons at their trochanteric insertion. Point tenderness at the lateral trochanter with pain on resisted abduction and side-lying (compressing the tendons) are the key clinical findings. Treatment should focus on tendon loading and gluteal strengthening, not solely on the bursa.
- The "disappeared" greater trochanter: In obese clients, the greater trochanter may be difficult to palpate statically. The rotation test (internal/external hip rotation while palpating laterally) is essential — even when the trochanter is not easily felt at rest, its rolling motion during rotation can be detected through significant soft tissue layers.
- Femoral triangle awareness: The femoral nerve, artery, and vein are all within the femoral triangle. When treating the adductors or the iliopsoas, work carefully in the proximal anterior thigh. Never apply sustained deep pressure over the femoral pulse. If the client reports anterior thigh numbness or tingling during treatment, release pressure immediately — you may be compressing the femoral nerve.
- Osgood-Schlatter in adolescents: Tenderness at the tibial tuberosity with a visibly enlarged tuberosity in an adolescent (typically 10–15 years old during a growth spurt) strongly suggests Osgood-Schlatter disease. The growth plate at the tibial tuberosity is vulnerable to traction stress from the patellar tendon. Treatment focuses on quadriceps stretching and activity modification — vigorous massage over the tuberosity is contraindicated during the acute inflammatory phase.
- Palpation pitfall — Gerdy's tubercle vs. fibular head: These are commonly confused because they are both lateral proximal leg landmarks. Gerdy's tubercle is on the tibia (anterolateral, at approximately the level of the tibial tuberosity). The fibular head is more lateral, more posterior, and slightly more distal. The fibular head has the common fibular nerve wrapping around its neck (see anatomy/bones/leg-and-foot-landmarks) — confusing the two structures could mean missed nerve assessment.
Key Takeaways
- The greater trochanter's rolling motion during hip internal/external rotation is the definitive lateral hip confirmation — this test works even through significant soft tissue in obese clients.
- The femoral triangle contains the femoral nerve, artery, and vein (NAVEL from lateral to medial) — treat this area gently and with consent, especially when accessing adductors or iliopsoas.
- Q-angle measurement (ASIS to patella center to tibial tuberosity) is the primary screen for lateral patellar tracking — values above 20 degrees are associated with patellofemoral pain.
- The sciatic nerve emerges midway between the PSIS and the greater trochanter — this relationship links hip landmarks to the most important nerve avoidance zone in gluteal treatment.